steve marvin: pavement smoothness, acceptance and testing

56

Upload: california-asphalt-pavement-association

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Free from projections or unevenness of surface not rough Smooth wood A smooth road

Generally flat or unruffled A calm sea

Free from or proceeding without abrupt curves bends etc A smooth ride

Allowing or having an even uninterrupted movement or flow Smooth driving

Free from hairs or a hairy growth A smooth cheek

Eye witness ndash Fingerprints ndash DNA

Observations ndash stop watch ndash laser timing

Verbal directions ndash sketches ndash

hand drawn maps ndash

standardized maps ndash

GPS ndash SIRI

4 track ndash 8 track ndash cassette ndash CD ndash

DVD ndash Blu-Ray

bull Chew test ndash Penetration Grading ndash

Aged Residue (AR) absolute viscosity ndash

Performance Graded binders PG

bull Trinidad asphalt

bull Density - Sand Cone ndash

Balloon ndash

Nuclear Gage

bull 10 wheelers ndash Trucks and pups ndash trucks and

transfers ndash Live bottoms ndash Strong arms ndash Super

10rsquos

bull Batch Plants ndash Continuous mix plants ndash drum

drier plants

bull Conventional ndash asbestos modified ndash

latex modified ndash polymer modified

bull Macadam ndash Conventional ndash

Stone Matrix ndash Super Pave

bull Cold Mix ndash

Hot mix ndash Warm mix

Perception v Precision

1956 Cadillac v 2014 Cadillac

Bone shaker v balloon tires

Trail bike v 10 speed road bike

18 wheeler v VW Bus

Transition to Equipment placement

Mud to Gravel to Pavement

rsaquo Holes and washboard

rsaquo Potholes

rsaquo Ride Quality

Paved roads

Smooth pavements

Travel speeds increase

Suspension designs change

Tolerance changes

Original smoothness

rsaquo Vehicle can traverse the route

without significant risk of damage

to the undercarriagedrive train

Current Ride Quality

rsaquo Actual user perception

Do not spill your $5 latte

Long term pavement

performance

When Men were Men

Circa 1940

Profile Indexrsaquo 02 inch blanking band

rsaquo 00 inch (Zero) blanking band

Must Grindsrsaquo 03 inches in 25 feet

Comfortable ride

Better Roadsrsaquo Last longer

rsaquo Stay smoother longer

rsaquo Safer

rsaquo Save money

Actual Profile

Profilograph Trace

Phantom

Bumps

Dip

Dip

The Profilograph may not accurately measure the pavement profile

Front Mount

Rear Mount

Side Mount

38

International Roughness Index (IRI)rsaquo Computer Algorithm

Areas of Localized Roughness (aka ldquomust grindsrdquo)rsaquo Isolated areas of roughness

Profile Indexrsaquo 02 inch blanking band

rsaquo 00 inch (Zero) blanking band

Must Grindsrsaquo 03 inches in 25 feet

42

0

50

100

150

200

250

300

350

0 25 50 75 100 125 150 175 200 225

Distance (feet)

IRI

(in

mi)

25-foot

sliding

window

43

44

The site is located in the median of Interstate 80 at the Sacramento Regional Transit Light Rail station (WattI-80) parking lot

Two test sections (asphalt and concrete)

University of California Pavement Research Center with the assistance of the Pavement Program and METS will administer calibration program

Calibration tests will be conducted 2 to 4 times per year (March May and July for 2014)

Block Test

rsaquo AASHTO R57-10 Section 53231

rsaquo This test will be conducted on a relatively flat

and level area

rsaquo Itrsquos purpose is to check the height

measurements from the height sensor(s) of

the test vehicle using blocks of known heights

(ie 05 inch 10 inch 20 inch)

46

Bounce Test

rsaquo AASHTO R57-10 Section 53232

rsaquo Itrsquos purpose is to ensures that the data from

the height sensor and accelerometer are

legitimate and being properly combined to

compute the longitudinal elevation profile

47

Distance Measurement Index Test

rsaquo AASHTO R56-10 Section 84

rsaquo Tests accuracy of profilers distance

measurement instrument (DMI)

48

Inertial Profiler must be certified within the last 12 months

Profiler Operator must be certified within the last 12 months

Contractors must obtain certification from the California Certification Site

MRI for each 01 mile section of a

lane

ldquoMust Grindsrdquo are now defined as ldquoAreas of Localized Roughnessrdquo

Areas of localized roughness uses a continuous IRI for each wheel path with a 25 ft interval

Areas of localized roughness that exceed 120(160) inmile must be corrected regardless of the IRI values of a 01 mile section

51

Caltrans will independently collect profile data

For each 01 mile section the contractorrsquos IRI values must be within 10 percent of Caltransrsquo IRI values

52

Collects data at a high rate of speed (approx 30 mph to 60 mph)

Collects data for both wheel paths simultaneously

No traffic control

Safer

$$$$ Savings

Free from projections ndash not rough a

smooth road

Free from abrupt curves ndash smooth ride

Even uninterrupted movement ndash smooth

driving

56

Smoothpavementscom (FHWA)

Roadprofilecom (ProVAL)

CT Pavement Website

httpwwwdotcagovhqmaintPavementOf

ficesPavement_EngineeringSmoother_Paveme

ntshtml

Equipment Suppliers

Ames Engineering (amesengineeringcom)

Dynatest (dynatestcom)

Surface Systems and Instruments

(Smoothroadcom)

Eye witness ndash Fingerprints ndash DNA

Observations ndash stop watch ndash laser timing

Verbal directions ndash sketches ndash

hand drawn maps ndash

standardized maps ndash

GPS ndash SIRI

4 track ndash 8 track ndash cassette ndash CD ndash

DVD ndash Blu-Ray

bull Chew test ndash Penetration Grading ndash

Aged Residue (AR) absolute viscosity ndash

Performance Graded binders PG

bull Trinidad asphalt

bull Density - Sand Cone ndash

Balloon ndash

Nuclear Gage

bull 10 wheelers ndash Trucks and pups ndash trucks and

transfers ndash Live bottoms ndash Strong arms ndash Super

10rsquos

bull Batch Plants ndash Continuous mix plants ndash drum

drier plants

bull Conventional ndash asbestos modified ndash

latex modified ndash polymer modified

bull Macadam ndash Conventional ndash

Stone Matrix ndash Super Pave

bull Cold Mix ndash

Hot mix ndash Warm mix

Perception v Precision

1956 Cadillac v 2014 Cadillac

Bone shaker v balloon tires

Trail bike v 10 speed road bike

18 wheeler v VW Bus

Transition to Equipment placement

Mud to Gravel to Pavement

rsaquo Holes and washboard

rsaquo Potholes

rsaquo Ride Quality

Paved roads

Smooth pavements

Travel speeds increase

Suspension designs change

Tolerance changes

Original smoothness

rsaquo Vehicle can traverse the route

without significant risk of damage

to the undercarriagedrive train

Current Ride Quality

rsaquo Actual user perception

Do not spill your $5 latte

Long term pavement

performance

When Men were Men

Circa 1940

Profile Indexrsaquo 02 inch blanking band

rsaquo 00 inch (Zero) blanking band

Must Grindsrsaquo 03 inches in 25 feet

Comfortable ride

Better Roadsrsaquo Last longer

rsaquo Stay smoother longer

rsaquo Safer

rsaquo Save money

Actual Profile

Profilograph Trace

Phantom

Bumps

Dip

Dip

The Profilograph may not accurately measure the pavement profile

Front Mount

Rear Mount

Side Mount

38

International Roughness Index (IRI)rsaquo Computer Algorithm

Areas of Localized Roughness (aka ldquomust grindsrdquo)rsaquo Isolated areas of roughness

Profile Indexrsaquo 02 inch blanking band

rsaquo 00 inch (Zero) blanking band

Must Grindsrsaquo 03 inches in 25 feet

42

0

50

100

150

200

250

300

350

0 25 50 75 100 125 150 175 200 225

Distance (feet)

IRI

(in

mi)

25-foot

sliding

window

43

44

The site is located in the median of Interstate 80 at the Sacramento Regional Transit Light Rail station (WattI-80) parking lot

Two test sections (asphalt and concrete)

University of California Pavement Research Center with the assistance of the Pavement Program and METS will administer calibration program

Calibration tests will be conducted 2 to 4 times per year (March May and July for 2014)

Block Test

rsaquo AASHTO R57-10 Section 53231

rsaquo This test will be conducted on a relatively flat

and level area

rsaquo Itrsquos purpose is to check the height

measurements from the height sensor(s) of

the test vehicle using blocks of known heights

(ie 05 inch 10 inch 20 inch)

46

Bounce Test

rsaquo AASHTO R57-10 Section 53232

rsaquo Itrsquos purpose is to ensures that the data from

the height sensor and accelerometer are

legitimate and being properly combined to

compute the longitudinal elevation profile

47

Distance Measurement Index Test

rsaquo AASHTO R56-10 Section 84

rsaquo Tests accuracy of profilers distance

measurement instrument (DMI)

48

Inertial Profiler must be certified within the last 12 months

Profiler Operator must be certified within the last 12 months

Contractors must obtain certification from the California Certification Site

MRI for each 01 mile section of a

lane

ldquoMust Grindsrdquo are now defined as ldquoAreas of Localized Roughnessrdquo

Areas of localized roughness uses a continuous IRI for each wheel path with a 25 ft interval

Areas of localized roughness that exceed 120(160) inmile must be corrected regardless of the IRI values of a 01 mile section

51

Caltrans will independently collect profile data

For each 01 mile section the contractorrsquos IRI values must be within 10 percent of Caltransrsquo IRI values

52

Collects data at a high rate of speed (approx 30 mph to 60 mph)

Collects data for both wheel paths simultaneously

No traffic control

Safer

$$$$ Savings

Free from projections ndash not rough a

smooth road

Free from abrupt curves ndash smooth ride

Even uninterrupted movement ndash smooth

driving

56

Smoothpavementscom (FHWA)

Roadprofilecom (ProVAL)

CT Pavement Website

httpwwwdotcagovhqmaintPavementOf

ficesPavement_EngineeringSmoother_Paveme

ntshtml

Equipment Suppliers

Ames Engineering (amesengineeringcom)

Dynatest (dynatestcom)

Surface Systems and Instruments

(Smoothroadcom)

Verbal directions ndash sketches ndash

hand drawn maps ndash

standardized maps ndash

GPS ndash SIRI

4 track ndash 8 track ndash cassette ndash CD ndash

DVD ndash Blu-Ray

bull Chew test ndash Penetration Grading ndash

Aged Residue (AR) absolute viscosity ndash

Performance Graded binders PG

bull Trinidad asphalt

bull Density - Sand Cone ndash

Balloon ndash

Nuclear Gage

bull 10 wheelers ndash Trucks and pups ndash trucks and

transfers ndash Live bottoms ndash Strong arms ndash Super

10rsquos

bull Batch Plants ndash Continuous mix plants ndash drum

drier plants

bull Conventional ndash asbestos modified ndash

latex modified ndash polymer modified

bull Macadam ndash Conventional ndash

Stone Matrix ndash Super Pave

bull Cold Mix ndash

Hot mix ndash Warm mix

Perception v Precision

1956 Cadillac v 2014 Cadillac

Bone shaker v balloon tires

Trail bike v 10 speed road bike

18 wheeler v VW Bus

Transition to Equipment placement

Mud to Gravel to Pavement

rsaquo Holes and washboard

rsaquo Potholes

rsaquo Ride Quality

Paved roads

Smooth pavements

Travel speeds increase

Suspension designs change

Tolerance changes

Original smoothness

rsaquo Vehicle can traverse the route

without significant risk of damage

to the undercarriagedrive train

Current Ride Quality

rsaquo Actual user perception

Do not spill your $5 latte

Long term pavement

performance

When Men were Men

Circa 1940

Profile Indexrsaquo 02 inch blanking band

rsaquo 00 inch (Zero) blanking band

Must Grindsrsaquo 03 inches in 25 feet

Comfortable ride

Better Roadsrsaquo Last longer

rsaquo Stay smoother longer

rsaquo Safer

rsaquo Save money

Actual Profile

Profilograph Trace

Phantom

Bumps

Dip

Dip

The Profilograph may not accurately measure the pavement profile

Front Mount

Rear Mount

Side Mount

38

International Roughness Index (IRI)rsaquo Computer Algorithm

Areas of Localized Roughness (aka ldquomust grindsrdquo)rsaquo Isolated areas of roughness

Profile Indexrsaquo 02 inch blanking band

rsaquo 00 inch (Zero) blanking band

Must Grindsrsaquo 03 inches in 25 feet

42

0

50

100

150

200

250

300

350

0 25 50 75 100 125 150 175 200 225

Distance (feet)

IRI

(in

mi)

25-foot

sliding

window

43

44

The site is located in the median of Interstate 80 at the Sacramento Regional Transit Light Rail station (WattI-80) parking lot

Two test sections (asphalt and concrete)

University of California Pavement Research Center with the assistance of the Pavement Program and METS will administer calibration program

Calibration tests will be conducted 2 to 4 times per year (March May and July for 2014)

Block Test

rsaquo AASHTO R57-10 Section 53231

rsaquo This test will be conducted on a relatively flat

and level area

rsaquo Itrsquos purpose is to check the height

measurements from the height sensor(s) of

the test vehicle using blocks of known heights

(ie 05 inch 10 inch 20 inch)

46

Bounce Test

rsaquo AASHTO R57-10 Section 53232

rsaquo Itrsquos purpose is to ensures that the data from

the height sensor and accelerometer are

legitimate and being properly combined to

compute the longitudinal elevation profile

47

Distance Measurement Index Test

rsaquo AASHTO R56-10 Section 84

rsaquo Tests accuracy of profilers distance

measurement instrument (DMI)

48

Inertial Profiler must be certified within the last 12 months

Profiler Operator must be certified within the last 12 months

Contractors must obtain certification from the California Certification Site

MRI for each 01 mile section of a

lane

ldquoMust Grindsrdquo are now defined as ldquoAreas of Localized Roughnessrdquo

Areas of localized roughness uses a continuous IRI for each wheel path with a 25 ft interval

Areas of localized roughness that exceed 120(160) inmile must be corrected regardless of the IRI values of a 01 mile section

51

Caltrans will independently collect profile data

For each 01 mile section the contractorrsquos IRI values must be within 10 percent of Caltransrsquo IRI values

52

Collects data at a high rate of speed (approx 30 mph to 60 mph)

Collects data for both wheel paths simultaneously

No traffic control

Safer

$$$$ Savings

Free from projections ndash not rough a

smooth road

Free from abrupt curves ndash smooth ride

Even uninterrupted movement ndash smooth

driving

56

Smoothpavementscom (FHWA)

Roadprofilecom (ProVAL)

CT Pavement Website

httpwwwdotcagovhqmaintPavementOf

ficesPavement_EngineeringSmoother_Paveme

ntshtml

Equipment Suppliers

Ames Engineering (amesengineeringcom)

Dynatest (dynatestcom)

Surface Systems and Instruments

(Smoothroadcom)

bull Chew test ndash Penetration Grading ndash

Aged Residue (AR) absolute viscosity ndash

Performance Graded binders PG

bull Trinidad asphalt

bull Density - Sand Cone ndash

Balloon ndash

Nuclear Gage

bull 10 wheelers ndash Trucks and pups ndash trucks and

transfers ndash Live bottoms ndash Strong arms ndash Super

10rsquos

bull Batch Plants ndash Continuous mix plants ndash drum

drier plants

bull Conventional ndash asbestos modified ndash

latex modified ndash polymer modified

bull Macadam ndash Conventional ndash

Stone Matrix ndash Super Pave

bull Cold Mix ndash

Hot mix ndash Warm mix

Perception v Precision

1956 Cadillac v 2014 Cadillac

Bone shaker v balloon tires

Trail bike v 10 speed road bike

18 wheeler v VW Bus

Transition to Equipment placement

Mud to Gravel to Pavement

rsaquo Holes and washboard

rsaquo Potholes

rsaquo Ride Quality

Paved roads

Smooth pavements

Travel speeds increase

Suspension designs change

Tolerance changes

Original smoothness

rsaquo Vehicle can traverse the route

without significant risk of damage

to the undercarriagedrive train

Current Ride Quality

rsaquo Actual user perception

Do not spill your $5 latte

Long term pavement

performance

When Men were Men

Circa 1940

Profile Indexrsaquo 02 inch blanking band

rsaquo 00 inch (Zero) blanking band

Must Grindsrsaquo 03 inches in 25 feet

Comfortable ride

Better Roadsrsaquo Last longer

rsaquo Stay smoother longer

rsaquo Safer

rsaquo Save money

Actual Profile

Profilograph Trace

Phantom

Bumps

Dip

Dip

The Profilograph may not accurately measure the pavement profile

Front Mount

Rear Mount

Side Mount

38

International Roughness Index (IRI)rsaquo Computer Algorithm

Areas of Localized Roughness (aka ldquomust grindsrdquo)rsaquo Isolated areas of roughness

Profile Indexrsaquo 02 inch blanking band

rsaquo 00 inch (Zero) blanking band

Must Grindsrsaquo 03 inches in 25 feet

42

0

50

100

150

200

250

300

350

0 25 50 75 100 125 150 175 200 225

Distance (feet)

IRI

(in

mi)

25-foot

sliding

window

43

44

The site is located in the median of Interstate 80 at the Sacramento Regional Transit Light Rail station (WattI-80) parking lot

Two test sections (asphalt and concrete)

University of California Pavement Research Center with the assistance of the Pavement Program and METS will administer calibration program

Calibration tests will be conducted 2 to 4 times per year (March May and July for 2014)

Block Test

rsaquo AASHTO R57-10 Section 53231

rsaquo This test will be conducted on a relatively flat

and level area

rsaquo Itrsquos purpose is to check the height

measurements from the height sensor(s) of

the test vehicle using blocks of known heights

(ie 05 inch 10 inch 20 inch)

46

Bounce Test

rsaquo AASHTO R57-10 Section 53232

rsaquo Itrsquos purpose is to ensures that the data from

the height sensor and accelerometer are

legitimate and being properly combined to

compute the longitudinal elevation profile

47

Distance Measurement Index Test

rsaquo AASHTO R56-10 Section 84

rsaquo Tests accuracy of profilers distance

measurement instrument (DMI)

48

Inertial Profiler must be certified within the last 12 months

Profiler Operator must be certified within the last 12 months

Contractors must obtain certification from the California Certification Site

MRI for each 01 mile section of a

lane

ldquoMust Grindsrdquo are now defined as ldquoAreas of Localized Roughnessrdquo

Areas of localized roughness uses a continuous IRI for each wheel path with a 25 ft interval

Areas of localized roughness that exceed 120(160) inmile must be corrected regardless of the IRI values of a 01 mile section

51

Caltrans will independently collect profile data

For each 01 mile section the contractorrsquos IRI values must be within 10 percent of Caltransrsquo IRI values

52

Collects data at a high rate of speed (approx 30 mph to 60 mph)

Collects data for both wheel paths simultaneously

No traffic control

Safer

$$$$ Savings

Free from projections ndash not rough a

smooth road

Free from abrupt curves ndash smooth ride

Even uninterrupted movement ndash smooth

driving

56

Smoothpavementscom (FHWA)

Roadprofilecom (ProVAL)

CT Pavement Website

httpwwwdotcagovhqmaintPavementOf

ficesPavement_EngineeringSmoother_Paveme

ntshtml

Equipment Suppliers

Ames Engineering (amesengineeringcom)

Dynatest (dynatestcom)

Surface Systems and Instruments

(Smoothroadcom)

bull 10 wheelers ndash Trucks and pups ndash trucks and

transfers ndash Live bottoms ndash Strong arms ndash Super

10rsquos

bull Batch Plants ndash Continuous mix plants ndash drum

drier plants

bull Conventional ndash asbestos modified ndash

latex modified ndash polymer modified

bull Macadam ndash Conventional ndash

Stone Matrix ndash Super Pave

bull Cold Mix ndash

Hot mix ndash Warm mix

Perception v Precision

1956 Cadillac v 2014 Cadillac

Bone shaker v balloon tires

Trail bike v 10 speed road bike

18 wheeler v VW Bus

Transition to Equipment placement

Mud to Gravel to Pavement

rsaquo Holes and washboard

rsaquo Potholes

rsaquo Ride Quality

Paved roads

Smooth pavements

Travel speeds increase

Suspension designs change

Tolerance changes

Original smoothness

rsaquo Vehicle can traverse the route

without significant risk of damage

to the undercarriagedrive train

Current Ride Quality

rsaquo Actual user perception

Do not spill your $5 latte

Long term pavement

performance

When Men were Men

Circa 1940

Profile Indexrsaquo 02 inch blanking band

rsaquo 00 inch (Zero) blanking band

Must Grindsrsaquo 03 inches in 25 feet

Comfortable ride

Better Roadsrsaquo Last longer

rsaquo Stay smoother longer

rsaquo Safer

rsaquo Save money

Actual Profile

Profilograph Trace

Phantom

Bumps

Dip

Dip

The Profilograph may not accurately measure the pavement profile

Front Mount

Rear Mount

Side Mount

38

International Roughness Index (IRI)rsaquo Computer Algorithm

Areas of Localized Roughness (aka ldquomust grindsrdquo)rsaquo Isolated areas of roughness

Profile Indexrsaquo 02 inch blanking band

rsaquo 00 inch (Zero) blanking band

Must Grindsrsaquo 03 inches in 25 feet

42

0

50

100

150

200

250

300

350

0 25 50 75 100 125 150 175 200 225

Distance (feet)

IRI

(in

mi)

25-foot

sliding

window

43

44

The site is located in the median of Interstate 80 at the Sacramento Regional Transit Light Rail station (WattI-80) parking lot

Two test sections (asphalt and concrete)

University of California Pavement Research Center with the assistance of the Pavement Program and METS will administer calibration program

Calibration tests will be conducted 2 to 4 times per year (March May and July for 2014)

Block Test

rsaquo AASHTO R57-10 Section 53231

rsaquo This test will be conducted on a relatively flat

and level area

rsaquo Itrsquos purpose is to check the height

measurements from the height sensor(s) of

the test vehicle using blocks of known heights

(ie 05 inch 10 inch 20 inch)

46

Bounce Test

rsaquo AASHTO R57-10 Section 53232

rsaquo Itrsquos purpose is to ensures that the data from

the height sensor and accelerometer are

legitimate and being properly combined to

compute the longitudinal elevation profile

47

Distance Measurement Index Test

rsaquo AASHTO R56-10 Section 84

rsaquo Tests accuracy of profilers distance

measurement instrument (DMI)

48

Inertial Profiler must be certified within the last 12 months

Profiler Operator must be certified within the last 12 months

Contractors must obtain certification from the California Certification Site

MRI for each 01 mile section of a

lane

ldquoMust Grindsrdquo are now defined as ldquoAreas of Localized Roughnessrdquo

Areas of localized roughness uses a continuous IRI for each wheel path with a 25 ft interval

Areas of localized roughness that exceed 120(160) inmile must be corrected regardless of the IRI values of a 01 mile section

51

Caltrans will independently collect profile data

For each 01 mile section the contractorrsquos IRI values must be within 10 percent of Caltransrsquo IRI values

52

Collects data at a high rate of speed (approx 30 mph to 60 mph)

Collects data for both wheel paths simultaneously

No traffic control

Safer

$$$$ Savings

Free from projections ndash not rough a

smooth road

Free from abrupt curves ndash smooth ride

Even uninterrupted movement ndash smooth

driving

56

Smoothpavementscom (FHWA)

Roadprofilecom (ProVAL)

CT Pavement Website

httpwwwdotcagovhqmaintPavementOf

ficesPavement_EngineeringSmoother_Paveme

ntshtml

Equipment Suppliers

Ames Engineering (amesengineeringcom)

Dynatest (dynatestcom)

Surface Systems and Instruments

(Smoothroadcom)

bull Conventional ndash asbestos modified ndash

latex modified ndash polymer modified

bull Macadam ndash Conventional ndash

Stone Matrix ndash Super Pave

bull Cold Mix ndash

Hot mix ndash Warm mix

Perception v Precision

1956 Cadillac v 2014 Cadillac

Bone shaker v balloon tires

Trail bike v 10 speed road bike

18 wheeler v VW Bus

Transition to Equipment placement

Mud to Gravel to Pavement

rsaquo Holes and washboard

rsaquo Potholes

rsaquo Ride Quality

Paved roads

Smooth pavements

Travel speeds increase

Suspension designs change

Tolerance changes

Original smoothness

rsaquo Vehicle can traverse the route

without significant risk of damage

to the undercarriagedrive train

Current Ride Quality

rsaquo Actual user perception

Do not spill your $5 latte

Long term pavement

performance

When Men were Men

Circa 1940

Profile Indexrsaquo 02 inch blanking band

rsaquo 00 inch (Zero) blanking band

Must Grindsrsaquo 03 inches in 25 feet

Comfortable ride

Better Roadsrsaquo Last longer

rsaquo Stay smoother longer

rsaquo Safer

rsaquo Save money

Actual Profile

Profilograph Trace

Phantom

Bumps

Dip

Dip

The Profilograph may not accurately measure the pavement profile

Front Mount

Rear Mount

Side Mount

38

International Roughness Index (IRI)rsaquo Computer Algorithm

Areas of Localized Roughness (aka ldquomust grindsrdquo)rsaquo Isolated areas of roughness

Profile Indexrsaquo 02 inch blanking band

rsaquo 00 inch (Zero) blanking band

Must Grindsrsaquo 03 inches in 25 feet

42

0

50

100

150

200

250

300

350

0 25 50 75 100 125 150 175 200 225

Distance (feet)

IRI

(in

mi)

25-foot

sliding

window

43

44

The site is located in the median of Interstate 80 at the Sacramento Regional Transit Light Rail station (WattI-80) parking lot

Two test sections (asphalt and concrete)

University of California Pavement Research Center with the assistance of the Pavement Program and METS will administer calibration program

Calibration tests will be conducted 2 to 4 times per year (March May and July for 2014)

Block Test

rsaquo AASHTO R57-10 Section 53231

rsaquo This test will be conducted on a relatively flat

and level area

rsaquo Itrsquos purpose is to check the height

measurements from the height sensor(s) of

the test vehicle using blocks of known heights

(ie 05 inch 10 inch 20 inch)

46

Bounce Test

rsaquo AASHTO R57-10 Section 53232

rsaquo Itrsquos purpose is to ensures that the data from

the height sensor and accelerometer are

legitimate and being properly combined to

compute the longitudinal elevation profile

47

Distance Measurement Index Test

rsaquo AASHTO R56-10 Section 84

rsaquo Tests accuracy of profilers distance

measurement instrument (DMI)

48

Inertial Profiler must be certified within the last 12 months

Profiler Operator must be certified within the last 12 months

Contractors must obtain certification from the California Certification Site

MRI for each 01 mile section of a

lane

ldquoMust Grindsrdquo are now defined as ldquoAreas of Localized Roughnessrdquo

Areas of localized roughness uses a continuous IRI for each wheel path with a 25 ft interval

Areas of localized roughness that exceed 120(160) inmile must be corrected regardless of the IRI values of a 01 mile section

51

Caltrans will independently collect profile data

For each 01 mile section the contractorrsquos IRI values must be within 10 percent of Caltransrsquo IRI values

52

Collects data at a high rate of speed (approx 30 mph to 60 mph)

Collects data for both wheel paths simultaneously

No traffic control

Safer

$$$$ Savings

Free from projections ndash not rough a

smooth road

Free from abrupt curves ndash smooth ride

Even uninterrupted movement ndash smooth

driving

56

Smoothpavementscom (FHWA)

Roadprofilecom (ProVAL)

CT Pavement Website

httpwwwdotcagovhqmaintPavementOf

ficesPavement_EngineeringSmoother_Paveme

ntshtml

Equipment Suppliers

Ames Engineering (amesengineeringcom)

Dynatest (dynatestcom)

Surface Systems and Instruments

(Smoothroadcom)

Perception v Precision

1956 Cadillac v 2014 Cadillac

Bone shaker v balloon tires

Trail bike v 10 speed road bike

18 wheeler v VW Bus

Transition to Equipment placement

Mud to Gravel to Pavement

rsaquo Holes and washboard

rsaquo Potholes

rsaquo Ride Quality

Paved roads

Smooth pavements

Travel speeds increase

Suspension designs change

Tolerance changes

Original smoothness

rsaquo Vehicle can traverse the route

without significant risk of damage

to the undercarriagedrive train

Current Ride Quality

rsaquo Actual user perception

Do not spill your $5 latte

Long term pavement

performance

When Men were Men

Circa 1940

Profile Indexrsaquo 02 inch blanking band

rsaquo 00 inch (Zero) blanking band

Must Grindsrsaquo 03 inches in 25 feet

Comfortable ride

Better Roadsrsaquo Last longer

rsaquo Stay smoother longer

rsaquo Safer

rsaquo Save money

Actual Profile

Profilograph Trace

Phantom

Bumps

Dip

Dip

The Profilograph may not accurately measure the pavement profile

Front Mount

Rear Mount

Side Mount

38

International Roughness Index (IRI)rsaquo Computer Algorithm

Areas of Localized Roughness (aka ldquomust grindsrdquo)rsaquo Isolated areas of roughness

Profile Indexrsaquo 02 inch blanking band

rsaquo 00 inch (Zero) blanking band

Must Grindsrsaquo 03 inches in 25 feet

42

0

50

100

150

200

250

300

350

0 25 50 75 100 125 150 175 200 225

Distance (feet)

IRI

(in

mi)

25-foot

sliding

window

43

44

The site is located in the median of Interstate 80 at the Sacramento Regional Transit Light Rail station (WattI-80) parking lot

Two test sections (asphalt and concrete)

University of California Pavement Research Center with the assistance of the Pavement Program and METS will administer calibration program

Calibration tests will be conducted 2 to 4 times per year (March May and July for 2014)

Block Test

rsaquo AASHTO R57-10 Section 53231

rsaquo This test will be conducted on a relatively flat

and level area

rsaquo Itrsquos purpose is to check the height

measurements from the height sensor(s) of

the test vehicle using blocks of known heights

(ie 05 inch 10 inch 20 inch)

46

Bounce Test

rsaquo AASHTO R57-10 Section 53232

rsaquo Itrsquos purpose is to ensures that the data from

the height sensor and accelerometer are

legitimate and being properly combined to

compute the longitudinal elevation profile

47

Distance Measurement Index Test

rsaquo AASHTO R56-10 Section 84

rsaquo Tests accuracy of profilers distance

measurement instrument (DMI)

48

Inertial Profiler must be certified within the last 12 months

Profiler Operator must be certified within the last 12 months

Contractors must obtain certification from the California Certification Site

MRI for each 01 mile section of a

lane

ldquoMust Grindsrdquo are now defined as ldquoAreas of Localized Roughnessrdquo

Areas of localized roughness uses a continuous IRI for each wheel path with a 25 ft interval

Areas of localized roughness that exceed 120(160) inmile must be corrected regardless of the IRI values of a 01 mile section

51

Caltrans will independently collect profile data

For each 01 mile section the contractorrsquos IRI values must be within 10 percent of Caltransrsquo IRI values

52

Collects data at a high rate of speed (approx 30 mph to 60 mph)

Collects data for both wheel paths simultaneously

No traffic control

Safer

$$$$ Savings

Free from projections ndash not rough a

smooth road

Free from abrupt curves ndash smooth ride

Even uninterrupted movement ndash smooth

driving

56

Smoothpavementscom (FHWA)

Roadprofilecom (ProVAL)

CT Pavement Website

httpwwwdotcagovhqmaintPavementOf

ficesPavement_EngineeringSmoother_Paveme

ntshtml

Equipment Suppliers

Ames Engineering (amesengineeringcom)

Dynatest (dynatestcom)

Surface Systems and Instruments

(Smoothroadcom)

Transition to Equipment placement

Mud to Gravel to Pavement

rsaquo Holes and washboard

rsaquo Potholes

rsaquo Ride Quality

Paved roads

Smooth pavements

Travel speeds increase

Suspension designs change

Tolerance changes

Original smoothness

rsaquo Vehicle can traverse the route

without significant risk of damage

to the undercarriagedrive train

Current Ride Quality

rsaquo Actual user perception

Do not spill your $5 latte

Long term pavement

performance

When Men were Men

Circa 1940

Profile Indexrsaquo 02 inch blanking band

rsaquo 00 inch (Zero) blanking band

Must Grindsrsaquo 03 inches in 25 feet

Comfortable ride

Better Roadsrsaquo Last longer

rsaquo Stay smoother longer

rsaquo Safer

rsaquo Save money

Actual Profile

Profilograph Trace

Phantom

Bumps

Dip

Dip

The Profilograph may not accurately measure the pavement profile

Front Mount

Rear Mount

Side Mount

38

International Roughness Index (IRI)rsaquo Computer Algorithm

Areas of Localized Roughness (aka ldquomust grindsrdquo)rsaquo Isolated areas of roughness

Profile Indexrsaquo 02 inch blanking band

rsaquo 00 inch (Zero) blanking band

Must Grindsrsaquo 03 inches in 25 feet

42

0

50

100

150

200

250

300

350

0 25 50 75 100 125 150 175 200 225

Distance (feet)

IRI

(in

mi)

25-foot

sliding

window

43

44

The site is located in the median of Interstate 80 at the Sacramento Regional Transit Light Rail station (WattI-80) parking lot

Two test sections (asphalt and concrete)

University of California Pavement Research Center with the assistance of the Pavement Program and METS will administer calibration program

Calibration tests will be conducted 2 to 4 times per year (March May and July for 2014)

Block Test

rsaquo AASHTO R57-10 Section 53231

rsaquo This test will be conducted on a relatively flat

and level area

rsaquo Itrsquos purpose is to check the height

measurements from the height sensor(s) of

the test vehicle using blocks of known heights

(ie 05 inch 10 inch 20 inch)

46

Bounce Test

rsaquo AASHTO R57-10 Section 53232

rsaquo Itrsquos purpose is to ensures that the data from

the height sensor and accelerometer are

legitimate and being properly combined to

compute the longitudinal elevation profile

47

Distance Measurement Index Test

rsaquo AASHTO R56-10 Section 84

rsaquo Tests accuracy of profilers distance

measurement instrument (DMI)

48

Inertial Profiler must be certified within the last 12 months

Profiler Operator must be certified within the last 12 months

Contractors must obtain certification from the California Certification Site

MRI for each 01 mile section of a

lane

ldquoMust Grindsrdquo are now defined as ldquoAreas of Localized Roughnessrdquo

Areas of localized roughness uses a continuous IRI for each wheel path with a 25 ft interval

Areas of localized roughness that exceed 120(160) inmile must be corrected regardless of the IRI values of a 01 mile section

51

Caltrans will independently collect profile data

For each 01 mile section the contractorrsquos IRI values must be within 10 percent of Caltransrsquo IRI values

52

Collects data at a high rate of speed (approx 30 mph to 60 mph)

Collects data for both wheel paths simultaneously

No traffic control

Safer

$$$$ Savings

Free from projections ndash not rough a

smooth road

Free from abrupt curves ndash smooth ride

Even uninterrupted movement ndash smooth

driving

56

Smoothpavementscom (FHWA)

Roadprofilecom (ProVAL)

CT Pavement Website

httpwwwdotcagovhqmaintPavementOf

ficesPavement_EngineeringSmoother_Paveme

ntshtml

Equipment Suppliers

Ames Engineering (amesengineeringcom)

Dynatest (dynatestcom)

Surface Systems and Instruments

(Smoothroadcom)

Mud to Gravel to Pavement

rsaquo Holes and washboard

rsaquo Potholes

rsaquo Ride Quality

Paved roads

Smooth pavements

Travel speeds increase

Suspension designs change

Tolerance changes

Original smoothness

rsaquo Vehicle can traverse the route

without significant risk of damage

to the undercarriagedrive train

Current Ride Quality

rsaquo Actual user perception

Do not spill your $5 latte

Long term pavement

performance

When Men were Men

Circa 1940

Profile Indexrsaquo 02 inch blanking band

rsaquo 00 inch (Zero) blanking band

Must Grindsrsaquo 03 inches in 25 feet

Comfortable ride

Better Roadsrsaquo Last longer

rsaquo Stay smoother longer

rsaquo Safer

rsaquo Save money

Actual Profile

Profilograph Trace

Phantom

Bumps

Dip

Dip

The Profilograph may not accurately measure the pavement profile

Front Mount

Rear Mount

Side Mount

38

International Roughness Index (IRI)rsaquo Computer Algorithm

Areas of Localized Roughness (aka ldquomust grindsrdquo)rsaquo Isolated areas of roughness

Profile Indexrsaquo 02 inch blanking band

rsaquo 00 inch (Zero) blanking band

Must Grindsrsaquo 03 inches in 25 feet

42

0

50

100

150

200

250

300

350

0 25 50 75 100 125 150 175 200 225

Distance (feet)

IRI

(in

mi)

25-foot

sliding

window

43

44

The site is located in the median of Interstate 80 at the Sacramento Regional Transit Light Rail station (WattI-80) parking lot

Two test sections (asphalt and concrete)

University of California Pavement Research Center with the assistance of the Pavement Program and METS will administer calibration program

Calibration tests will be conducted 2 to 4 times per year (March May and July for 2014)

Block Test

rsaquo AASHTO R57-10 Section 53231

rsaquo This test will be conducted on a relatively flat

and level area

rsaquo Itrsquos purpose is to check the height

measurements from the height sensor(s) of

the test vehicle using blocks of known heights

(ie 05 inch 10 inch 20 inch)

46

Bounce Test

rsaquo AASHTO R57-10 Section 53232

rsaquo Itrsquos purpose is to ensures that the data from

the height sensor and accelerometer are

legitimate and being properly combined to

compute the longitudinal elevation profile

47

Distance Measurement Index Test

rsaquo AASHTO R56-10 Section 84

rsaquo Tests accuracy of profilers distance

measurement instrument (DMI)

48

Inertial Profiler must be certified within the last 12 months

Profiler Operator must be certified within the last 12 months

Contractors must obtain certification from the California Certification Site

MRI for each 01 mile section of a

lane

ldquoMust Grindsrdquo are now defined as ldquoAreas of Localized Roughnessrdquo

Areas of localized roughness uses a continuous IRI for each wheel path with a 25 ft interval

Areas of localized roughness that exceed 120(160) inmile must be corrected regardless of the IRI values of a 01 mile section

51

Caltrans will independently collect profile data

For each 01 mile section the contractorrsquos IRI values must be within 10 percent of Caltransrsquo IRI values

52

Collects data at a high rate of speed (approx 30 mph to 60 mph)

Collects data for both wheel paths simultaneously

No traffic control

Safer

$$$$ Savings

Free from projections ndash not rough a

smooth road

Free from abrupt curves ndash smooth ride

Even uninterrupted movement ndash smooth

driving

56

Smoothpavementscom (FHWA)

Roadprofilecom (ProVAL)

CT Pavement Website

httpwwwdotcagovhqmaintPavementOf

ficesPavement_EngineeringSmoother_Paveme

ntshtml

Equipment Suppliers

Ames Engineering (amesengineeringcom)

Dynatest (dynatestcom)

Surface Systems and Instruments

(Smoothroadcom)

Paved roads

Smooth pavements

Travel speeds increase

Suspension designs change

Tolerance changes

Original smoothness

rsaquo Vehicle can traverse the route

without significant risk of damage

to the undercarriagedrive train

Current Ride Quality

rsaquo Actual user perception

Do not spill your $5 latte

Long term pavement

performance

When Men were Men

Circa 1940

Profile Indexrsaquo 02 inch blanking band

rsaquo 00 inch (Zero) blanking band

Must Grindsrsaquo 03 inches in 25 feet

Comfortable ride

Better Roadsrsaquo Last longer

rsaquo Stay smoother longer

rsaquo Safer

rsaquo Save money

Actual Profile

Profilograph Trace

Phantom

Bumps

Dip

Dip

The Profilograph may not accurately measure the pavement profile

Front Mount

Rear Mount

Side Mount

38

International Roughness Index (IRI)rsaquo Computer Algorithm

Areas of Localized Roughness (aka ldquomust grindsrdquo)rsaquo Isolated areas of roughness

Profile Indexrsaquo 02 inch blanking band

rsaquo 00 inch (Zero) blanking band

Must Grindsrsaquo 03 inches in 25 feet

42

0

50

100

150

200

250

300

350

0 25 50 75 100 125 150 175 200 225

Distance (feet)

IRI

(in

mi)

25-foot

sliding

window

43

44

The site is located in the median of Interstate 80 at the Sacramento Regional Transit Light Rail station (WattI-80) parking lot

Two test sections (asphalt and concrete)

University of California Pavement Research Center with the assistance of the Pavement Program and METS will administer calibration program

Calibration tests will be conducted 2 to 4 times per year (March May and July for 2014)

Block Test

rsaquo AASHTO R57-10 Section 53231

rsaquo This test will be conducted on a relatively flat

and level area

rsaquo Itrsquos purpose is to check the height

measurements from the height sensor(s) of

the test vehicle using blocks of known heights

(ie 05 inch 10 inch 20 inch)

46

Bounce Test

rsaquo AASHTO R57-10 Section 53232

rsaquo Itrsquos purpose is to ensures that the data from

the height sensor and accelerometer are

legitimate and being properly combined to

compute the longitudinal elevation profile

47

Distance Measurement Index Test

rsaquo AASHTO R56-10 Section 84

rsaquo Tests accuracy of profilers distance

measurement instrument (DMI)

48

Inertial Profiler must be certified within the last 12 months

Profiler Operator must be certified within the last 12 months

Contractors must obtain certification from the California Certification Site

MRI for each 01 mile section of a

lane

ldquoMust Grindsrdquo are now defined as ldquoAreas of Localized Roughnessrdquo

Areas of localized roughness uses a continuous IRI for each wheel path with a 25 ft interval

Areas of localized roughness that exceed 120(160) inmile must be corrected regardless of the IRI values of a 01 mile section

51

Caltrans will independently collect profile data

For each 01 mile section the contractorrsquos IRI values must be within 10 percent of Caltransrsquo IRI values

52

Collects data at a high rate of speed (approx 30 mph to 60 mph)

Collects data for both wheel paths simultaneously

No traffic control

Safer

$$$$ Savings

Free from projections ndash not rough a

smooth road

Free from abrupt curves ndash smooth ride

Even uninterrupted movement ndash smooth

driving

56

Smoothpavementscom (FHWA)

Roadprofilecom (ProVAL)

CT Pavement Website

httpwwwdotcagovhqmaintPavementOf

ficesPavement_EngineeringSmoother_Paveme

ntshtml

Equipment Suppliers

Ames Engineering (amesengineeringcom)

Dynatest (dynatestcom)

Surface Systems and Instruments

(Smoothroadcom)

Travel speeds increase

Suspension designs change

Tolerance changes

Original smoothness

rsaquo Vehicle can traverse the route

without significant risk of damage

to the undercarriagedrive train

Current Ride Quality

rsaquo Actual user perception

Do not spill your $5 latte

Long term pavement

performance

When Men were Men

Circa 1940

Profile Indexrsaquo 02 inch blanking band

rsaquo 00 inch (Zero) blanking band

Must Grindsrsaquo 03 inches in 25 feet

Comfortable ride

Better Roadsrsaquo Last longer

rsaquo Stay smoother longer

rsaquo Safer

rsaquo Save money

Actual Profile

Profilograph Trace

Phantom

Bumps

Dip

Dip

The Profilograph may not accurately measure the pavement profile

Front Mount

Rear Mount

Side Mount

38

International Roughness Index (IRI)rsaquo Computer Algorithm

Areas of Localized Roughness (aka ldquomust grindsrdquo)rsaquo Isolated areas of roughness

Profile Indexrsaquo 02 inch blanking band

rsaquo 00 inch (Zero) blanking band

Must Grindsrsaquo 03 inches in 25 feet

42

0

50

100

150

200

250

300

350

0 25 50 75 100 125 150 175 200 225

Distance (feet)

IRI

(in

mi)

25-foot

sliding

window

43

44

The site is located in the median of Interstate 80 at the Sacramento Regional Transit Light Rail station (WattI-80) parking lot

Two test sections (asphalt and concrete)

University of California Pavement Research Center with the assistance of the Pavement Program and METS will administer calibration program

Calibration tests will be conducted 2 to 4 times per year (March May and July for 2014)

Block Test

rsaquo AASHTO R57-10 Section 53231

rsaquo This test will be conducted on a relatively flat

and level area

rsaquo Itrsquos purpose is to check the height

measurements from the height sensor(s) of

the test vehicle using blocks of known heights

(ie 05 inch 10 inch 20 inch)

46

Bounce Test

rsaquo AASHTO R57-10 Section 53232

rsaquo Itrsquos purpose is to ensures that the data from

the height sensor and accelerometer are

legitimate and being properly combined to

compute the longitudinal elevation profile

47

Distance Measurement Index Test

rsaquo AASHTO R56-10 Section 84

rsaquo Tests accuracy of profilers distance

measurement instrument (DMI)

48

Inertial Profiler must be certified within the last 12 months

Profiler Operator must be certified within the last 12 months

Contractors must obtain certification from the California Certification Site

MRI for each 01 mile section of a

lane

ldquoMust Grindsrdquo are now defined as ldquoAreas of Localized Roughnessrdquo

Areas of localized roughness uses a continuous IRI for each wheel path with a 25 ft interval

Areas of localized roughness that exceed 120(160) inmile must be corrected regardless of the IRI values of a 01 mile section

51

Caltrans will independently collect profile data

For each 01 mile section the contractorrsquos IRI values must be within 10 percent of Caltransrsquo IRI values

52

Collects data at a high rate of speed (approx 30 mph to 60 mph)

Collects data for both wheel paths simultaneously

No traffic control

Safer

$$$$ Savings

Free from projections ndash not rough a

smooth road

Free from abrupt curves ndash smooth ride

Even uninterrupted movement ndash smooth

driving

56

Smoothpavementscom (FHWA)

Roadprofilecom (ProVAL)

CT Pavement Website

httpwwwdotcagovhqmaintPavementOf

ficesPavement_EngineeringSmoother_Paveme

ntshtml

Equipment Suppliers

Ames Engineering (amesengineeringcom)

Dynatest (dynatestcom)

Surface Systems and Instruments

(Smoothroadcom)

Original smoothness

rsaquo Vehicle can traverse the route

without significant risk of damage

to the undercarriagedrive train

Current Ride Quality

rsaquo Actual user perception

Do not spill your $5 latte

Long term pavement

performance

When Men were Men

Circa 1940

Profile Indexrsaquo 02 inch blanking band

rsaquo 00 inch (Zero) blanking band

Must Grindsrsaquo 03 inches in 25 feet

Comfortable ride

Better Roadsrsaquo Last longer

rsaquo Stay smoother longer

rsaquo Safer

rsaquo Save money

Actual Profile

Profilograph Trace

Phantom

Bumps

Dip

Dip

The Profilograph may not accurately measure the pavement profile

Front Mount

Rear Mount

Side Mount

38

International Roughness Index (IRI)rsaquo Computer Algorithm

Areas of Localized Roughness (aka ldquomust grindsrdquo)rsaquo Isolated areas of roughness

Profile Indexrsaquo 02 inch blanking band

rsaquo 00 inch (Zero) blanking band

Must Grindsrsaquo 03 inches in 25 feet

42

0

50

100

150

200

250

300

350

0 25 50 75 100 125 150 175 200 225

Distance (feet)

IRI

(in

mi)

25-foot

sliding

window

43

44

The site is located in the median of Interstate 80 at the Sacramento Regional Transit Light Rail station (WattI-80) parking lot

Two test sections (asphalt and concrete)

University of California Pavement Research Center with the assistance of the Pavement Program and METS will administer calibration program

Calibration tests will be conducted 2 to 4 times per year (March May and July for 2014)

Block Test

rsaquo AASHTO R57-10 Section 53231

rsaquo This test will be conducted on a relatively flat

and level area

rsaquo Itrsquos purpose is to check the height

measurements from the height sensor(s) of

the test vehicle using blocks of known heights

(ie 05 inch 10 inch 20 inch)

46

Bounce Test

rsaquo AASHTO R57-10 Section 53232

rsaquo Itrsquos purpose is to ensures that the data from

the height sensor and accelerometer are

legitimate and being properly combined to

compute the longitudinal elevation profile

47

Distance Measurement Index Test

rsaquo AASHTO R56-10 Section 84

rsaquo Tests accuracy of profilers distance

measurement instrument (DMI)

48

Inertial Profiler must be certified within the last 12 months

Profiler Operator must be certified within the last 12 months

Contractors must obtain certification from the California Certification Site

MRI for each 01 mile section of a

lane

ldquoMust Grindsrdquo are now defined as ldquoAreas of Localized Roughnessrdquo

Areas of localized roughness uses a continuous IRI for each wheel path with a 25 ft interval

Areas of localized roughness that exceed 120(160) inmile must be corrected regardless of the IRI values of a 01 mile section

51

Caltrans will independently collect profile data

For each 01 mile section the contractorrsquos IRI values must be within 10 percent of Caltransrsquo IRI values

52

Collects data at a high rate of speed (approx 30 mph to 60 mph)

Collects data for both wheel paths simultaneously

No traffic control

Safer

$$$$ Savings

Free from projections ndash not rough a

smooth road

Free from abrupt curves ndash smooth ride

Even uninterrupted movement ndash smooth

driving

56

Smoothpavementscom (FHWA)

Roadprofilecom (ProVAL)

CT Pavement Website

httpwwwdotcagovhqmaintPavementOf

ficesPavement_EngineeringSmoother_Paveme

ntshtml

Equipment Suppliers

Ames Engineering (amesengineeringcom)

Dynatest (dynatestcom)

Surface Systems and Instruments

(Smoothroadcom)

When Men were Men

Circa 1940

Profile Indexrsaquo 02 inch blanking band

rsaquo 00 inch (Zero) blanking band

Must Grindsrsaquo 03 inches in 25 feet

Comfortable ride

Better Roadsrsaquo Last longer

rsaquo Stay smoother longer

rsaquo Safer

rsaquo Save money

Actual Profile

Profilograph Trace

Phantom

Bumps

Dip

Dip

The Profilograph may not accurately measure the pavement profile

Front Mount

Rear Mount

Side Mount

38

International Roughness Index (IRI)rsaquo Computer Algorithm

Areas of Localized Roughness (aka ldquomust grindsrdquo)rsaquo Isolated areas of roughness

Profile Indexrsaquo 02 inch blanking band

rsaquo 00 inch (Zero) blanking band

Must Grindsrsaquo 03 inches in 25 feet

42

0

50

100

150

200

250

300

350

0 25 50 75 100 125 150 175 200 225

Distance (feet)

IRI

(in

mi)

25-foot

sliding

window

43

44

The site is located in the median of Interstate 80 at the Sacramento Regional Transit Light Rail station (WattI-80) parking lot

Two test sections (asphalt and concrete)

University of California Pavement Research Center with the assistance of the Pavement Program and METS will administer calibration program

Calibration tests will be conducted 2 to 4 times per year (March May and July for 2014)

Block Test

rsaquo AASHTO R57-10 Section 53231

rsaquo This test will be conducted on a relatively flat

and level area

rsaquo Itrsquos purpose is to check the height

measurements from the height sensor(s) of

the test vehicle using blocks of known heights

(ie 05 inch 10 inch 20 inch)

46

Bounce Test

rsaquo AASHTO R57-10 Section 53232

rsaquo Itrsquos purpose is to ensures that the data from

the height sensor and accelerometer are

legitimate and being properly combined to

compute the longitudinal elevation profile

47

Distance Measurement Index Test

rsaquo AASHTO R56-10 Section 84

rsaquo Tests accuracy of profilers distance

measurement instrument (DMI)

48

Inertial Profiler must be certified within the last 12 months

Profiler Operator must be certified within the last 12 months

Contractors must obtain certification from the California Certification Site

MRI for each 01 mile section of a

lane

ldquoMust Grindsrdquo are now defined as ldquoAreas of Localized Roughnessrdquo

Areas of localized roughness uses a continuous IRI for each wheel path with a 25 ft interval

Areas of localized roughness that exceed 120(160) inmile must be corrected regardless of the IRI values of a 01 mile section

51

Caltrans will independently collect profile data

For each 01 mile section the contractorrsquos IRI values must be within 10 percent of Caltransrsquo IRI values

52

Collects data at a high rate of speed (approx 30 mph to 60 mph)

Collects data for both wheel paths simultaneously

No traffic control

Safer

$$$$ Savings

Free from projections ndash not rough a

smooth road

Free from abrupt curves ndash smooth ride

Even uninterrupted movement ndash smooth

driving

56

Smoothpavementscom (FHWA)

Roadprofilecom (ProVAL)

CT Pavement Website

httpwwwdotcagovhqmaintPavementOf

ficesPavement_EngineeringSmoother_Paveme

ntshtml

Equipment Suppliers

Ames Engineering (amesengineeringcom)

Dynatest (dynatestcom)

Surface Systems and Instruments

(Smoothroadcom)

Circa 1940

Profile Indexrsaquo 02 inch blanking band

rsaquo 00 inch (Zero) blanking band

Must Grindsrsaquo 03 inches in 25 feet

Comfortable ride

Better Roadsrsaquo Last longer

rsaquo Stay smoother longer

rsaquo Safer

rsaquo Save money

Actual Profile

Profilograph Trace

Phantom

Bumps

Dip

Dip

The Profilograph may not accurately measure the pavement profile

Front Mount

Rear Mount

Side Mount

38

International Roughness Index (IRI)rsaquo Computer Algorithm

Areas of Localized Roughness (aka ldquomust grindsrdquo)rsaquo Isolated areas of roughness

Profile Indexrsaquo 02 inch blanking band

rsaquo 00 inch (Zero) blanking band

Must Grindsrsaquo 03 inches in 25 feet

42

0

50

100

150

200

250

300

350

0 25 50 75 100 125 150 175 200 225

Distance (feet)

IRI

(in

mi)

25-foot

sliding

window

43

44

The site is located in the median of Interstate 80 at the Sacramento Regional Transit Light Rail station (WattI-80) parking lot

Two test sections (asphalt and concrete)

University of California Pavement Research Center with the assistance of the Pavement Program and METS will administer calibration program

Calibration tests will be conducted 2 to 4 times per year (March May and July for 2014)

Block Test

rsaquo AASHTO R57-10 Section 53231

rsaquo This test will be conducted on a relatively flat

and level area

rsaquo Itrsquos purpose is to check the height

measurements from the height sensor(s) of

the test vehicle using blocks of known heights

(ie 05 inch 10 inch 20 inch)

46

Bounce Test

rsaquo AASHTO R57-10 Section 53232

rsaquo Itrsquos purpose is to ensures that the data from

the height sensor and accelerometer are

legitimate and being properly combined to

compute the longitudinal elevation profile

47

Distance Measurement Index Test

rsaquo AASHTO R56-10 Section 84

rsaquo Tests accuracy of profilers distance

measurement instrument (DMI)

48

Inertial Profiler must be certified within the last 12 months

Profiler Operator must be certified within the last 12 months

Contractors must obtain certification from the California Certification Site

MRI for each 01 mile section of a

lane

ldquoMust Grindsrdquo are now defined as ldquoAreas of Localized Roughnessrdquo

Areas of localized roughness uses a continuous IRI for each wheel path with a 25 ft interval

Areas of localized roughness that exceed 120(160) inmile must be corrected regardless of the IRI values of a 01 mile section

51

Caltrans will independently collect profile data

For each 01 mile section the contractorrsquos IRI values must be within 10 percent of Caltransrsquo IRI values

52

Collects data at a high rate of speed (approx 30 mph to 60 mph)

Collects data for both wheel paths simultaneously

No traffic control

Safer

$$$$ Savings

Free from projections ndash not rough a

smooth road

Free from abrupt curves ndash smooth ride

Even uninterrupted movement ndash smooth

driving

56

Smoothpavementscom (FHWA)

Roadprofilecom (ProVAL)

CT Pavement Website

httpwwwdotcagovhqmaintPavementOf

ficesPavement_EngineeringSmoother_Paveme

ntshtml

Equipment Suppliers

Ames Engineering (amesengineeringcom)

Dynatest (dynatestcom)

Surface Systems and Instruments

(Smoothroadcom)

Profile Indexrsaquo 02 inch blanking band

rsaquo 00 inch (Zero) blanking band

Must Grindsrsaquo 03 inches in 25 feet

Comfortable ride

Better Roadsrsaquo Last longer

rsaquo Stay smoother longer

rsaquo Safer

rsaquo Save money

Actual Profile

Profilograph Trace

Phantom

Bumps

Dip

Dip

The Profilograph may not accurately measure the pavement profile

Front Mount

Rear Mount

Side Mount

38

International Roughness Index (IRI)rsaquo Computer Algorithm

Areas of Localized Roughness (aka ldquomust grindsrdquo)rsaquo Isolated areas of roughness

Profile Indexrsaquo 02 inch blanking band

rsaquo 00 inch (Zero) blanking band

Must Grindsrsaquo 03 inches in 25 feet

42

0

50

100

150

200

250

300

350

0 25 50 75 100 125 150 175 200 225

Distance (feet)

IRI

(in

mi)

25-foot

sliding

window

43

44

The site is located in the median of Interstate 80 at the Sacramento Regional Transit Light Rail station (WattI-80) parking lot

Two test sections (asphalt and concrete)

University of California Pavement Research Center with the assistance of the Pavement Program and METS will administer calibration program

Calibration tests will be conducted 2 to 4 times per year (March May and July for 2014)

Block Test

rsaquo AASHTO R57-10 Section 53231

rsaquo This test will be conducted on a relatively flat

and level area

rsaquo Itrsquos purpose is to check the height

measurements from the height sensor(s) of

the test vehicle using blocks of known heights

(ie 05 inch 10 inch 20 inch)

46

Bounce Test

rsaquo AASHTO R57-10 Section 53232

rsaquo Itrsquos purpose is to ensures that the data from

the height sensor and accelerometer are

legitimate and being properly combined to

compute the longitudinal elevation profile

47

Distance Measurement Index Test

rsaquo AASHTO R56-10 Section 84

rsaquo Tests accuracy of profilers distance

measurement instrument (DMI)

48

Inertial Profiler must be certified within the last 12 months

Profiler Operator must be certified within the last 12 months

Contractors must obtain certification from the California Certification Site

MRI for each 01 mile section of a

lane

ldquoMust Grindsrdquo are now defined as ldquoAreas of Localized Roughnessrdquo

Areas of localized roughness uses a continuous IRI for each wheel path with a 25 ft interval

Areas of localized roughness that exceed 120(160) inmile must be corrected regardless of the IRI values of a 01 mile section

51

Caltrans will independently collect profile data

For each 01 mile section the contractorrsquos IRI values must be within 10 percent of Caltransrsquo IRI values

52

Collects data at a high rate of speed (approx 30 mph to 60 mph)

Collects data for both wheel paths simultaneously

No traffic control

Safer

$$$$ Savings

Free from projections ndash not rough a

smooth road

Free from abrupt curves ndash smooth ride

Even uninterrupted movement ndash smooth

driving

56

Smoothpavementscom (FHWA)

Roadprofilecom (ProVAL)

CT Pavement Website

httpwwwdotcagovhqmaintPavementOf

ficesPavement_EngineeringSmoother_Paveme

ntshtml

Equipment Suppliers

Ames Engineering (amesengineeringcom)

Dynatest (dynatestcom)

Surface Systems and Instruments

(Smoothroadcom)

Comfortable ride

Better Roadsrsaquo Last longer

rsaquo Stay smoother longer

rsaquo Safer

rsaquo Save money

Actual Profile

Profilograph Trace

Phantom

Bumps

Dip

Dip

The Profilograph may not accurately measure the pavement profile

Front Mount

Rear Mount

Side Mount

38

International Roughness Index (IRI)rsaquo Computer Algorithm

Areas of Localized Roughness (aka ldquomust grindsrdquo)rsaquo Isolated areas of roughness

Profile Indexrsaquo 02 inch blanking band

rsaquo 00 inch (Zero) blanking band

Must Grindsrsaquo 03 inches in 25 feet

42

0

50

100

150

200

250

300

350

0 25 50 75 100 125 150 175 200 225

Distance (feet)

IRI

(in

mi)

25-foot

sliding

window

43

44

The site is located in the median of Interstate 80 at the Sacramento Regional Transit Light Rail station (WattI-80) parking lot

Two test sections (asphalt and concrete)

University of California Pavement Research Center with the assistance of the Pavement Program and METS will administer calibration program

Calibration tests will be conducted 2 to 4 times per year (March May and July for 2014)

Block Test

rsaquo AASHTO R57-10 Section 53231

rsaquo This test will be conducted on a relatively flat

and level area

rsaquo Itrsquos purpose is to check the height

measurements from the height sensor(s) of

the test vehicle using blocks of known heights

(ie 05 inch 10 inch 20 inch)

46

Bounce Test

rsaquo AASHTO R57-10 Section 53232

rsaquo Itrsquos purpose is to ensures that the data from

the height sensor and accelerometer are

legitimate and being properly combined to

compute the longitudinal elevation profile

47

Distance Measurement Index Test

rsaquo AASHTO R56-10 Section 84

rsaquo Tests accuracy of profilers distance

measurement instrument (DMI)

48

Inertial Profiler must be certified within the last 12 months

Profiler Operator must be certified within the last 12 months

Contractors must obtain certification from the California Certification Site

MRI for each 01 mile section of a

lane

ldquoMust Grindsrdquo are now defined as ldquoAreas of Localized Roughnessrdquo

Areas of localized roughness uses a continuous IRI for each wheel path with a 25 ft interval

Areas of localized roughness that exceed 120(160) inmile must be corrected regardless of the IRI values of a 01 mile section

51

Caltrans will independently collect profile data

For each 01 mile section the contractorrsquos IRI values must be within 10 percent of Caltransrsquo IRI values

52

Collects data at a high rate of speed (approx 30 mph to 60 mph)

Collects data for both wheel paths simultaneously

No traffic control

Safer

$$$$ Savings

Free from projections ndash not rough a

smooth road

Free from abrupt curves ndash smooth ride

Even uninterrupted movement ndash smooth

driving

56

Smoothpavementscom (FHWA)

Roadprofilecom (ProVAL)

CT Pavement Website

httpwwwdotcagovhqmaintPavementOf

ficesPavement_EngineeringSmoother_Paveme

ntshtml

Equipment Suppliers

Ames Engineering (amesengineeringcom)

Dynatest (dynatestcom)

Surface Systems and Instruments

(Smoothroadcom)

Actual Profile

Profilograph Trace

Phantom

Bumps

Dip

Dip

The Profilograph may not accurately measure the pavement profile

Front Mount

Rear Mount

Side Mount

38

International Roughness Index (IRI)rsaquo Computer Algorithm

Areas of Localized Roughness (aka ldquomust grindsrdquo)rsaquo Isolated areas of roughness

Profile Indexrsaquo 02 inch blanking band

rsaquo 00 inch (Zero) blanking band

Must Grindsrsaquo 03 inches in 25 feet

42

0

50

100

150

200

250

300

350

0 25 50 75 100 125 150 175 200 225

Distance (feet)

IRI

(in

mi)

25-foot

sliding

window

43

44

The site is located in the median of Interstate 80 at the Sacramento Regional Transit Light Rail station (WattI-80) parking lot

Two test sections (asphalt and concrete)

University of California Pavement Research Center with the assistance of the Pavement Program and METS will administer calibration program

Calibration tests will be conducted 2 to 4 times per year (March May and July for 2014)

Block Test

rsaquo AASHTO R57-10 Section 53231

rsaquo This test will be conducted on a relatively flat

and level area

rsaquo Itrsquos purpose is to check the height

measurements from the height sensor(s) of

the test vehicle using blocks of known heights

(ie 05 inch 10 inch 20 inch)

46

Bounce Test

rsaquo AASHTO R57-10 Section 53232

rsaquo Itrsquos purpose is to ensures that the data from

the height sensor and accelerometer are

legitimate and being properly combined to

compute the longitudinal elevation profile

47

Distance Measurement Index Test

rsaquo AASHTO R56-10 Section 84

rsaquo Tests accuracy of profilers distance

measurement instrument (DMI)

48

Inertial Profiler must be certified within the last 12 months

Profiler Operator must be certified within the last 12 months

Contractors must obtain certification from the California Certification Site

MRI for each 01 mile section of a

lane

ldquoMust Grindsrdquo are now defined as ldquoAreas of Localized Roughnessrdquo

Areas of localized roughness uses a continuous IRI for each wheel path with a 25 ft interval

Areas of localized roughness that exceed 120(160) inmile must be corrected regardless of the IRI values of a 01 mile section

51

Caltrans will independently collect profile data

For each 01 mile section the contractorrsquos IRI values must be within 10 percent of Caltransrsquo IRI values

52

Collects data at a high rate of speed (approx 30 mph to 60 mph)

Collects data for both wheel paths simultaneously

No traffic control

Safer

$$$$ Savings

Free from projections ndash not rough a

smooth road

Free from abrupt curves ndash smooth ride

Even uninterrupted movement ndash smooth

driving

56

Smoothpavementscom (FHWA)

Roadprofilecom (ProVAL)

CT Pavement Website

httpwwwdotcagovhqmaintPavementOf

ficesPavement_EngineeringSmoother_Paveme

ntshtml

Equipment Suppliers

Ames Engineering (amesengineeringcom)

Dynatest (dynatestcom)

Surface Systems and Instruments

(Smoothroadcom)

The Profilograph may not accurately measure the pavement profile

Front Mount

Rear Mount

Side Mount

38

International Roughness Index (IRI)rsaquo Computer Algorithm

Areas of Localized Roughness (aka ldquomust grindsrdquo)rsaquo Isolated areas of roughness

Profile Indexrsaquo 02 inch blanking band

rsaquo 00 inch (Zero) blanking band

Must Grindsrsaquo 03 inches in 25 feet

42

0

50

100

150

200

250

300

350

0 25 50 75 100 125 150 175 200 225

Distance (feet)

IRI

(in

mi)

25-foot

sliding

window

43

44

The site is located in the median of Interstate 80 at the Sacramento Regional Transit Light Rail station (WattI-80) parking lot

Two test sections (asphalt and concrete)

University of California Pavement Research Center with the assistance of the Pavement Program and METS will administer calibration program

Calibration tests will be conducted 2 to 4 times per year (March May and July for 2014)

Block Test

rsaquo AASHTO R57-10 Section 53231

rsaquo This test will be conducted on a relatively flat

and level area

rsaquo Itrsquos purpose is to check the height

measurements from the height sensor(s) of

the test vehicle using blocks of known heights

(ie 05 inch 10 inch 20 inch)

46

Bounce Test

rsaquo AASHTO R57-10 Section 53232

rsaquo Itrsquos purpose is to ensures that the data from

the height sensor and accelerometer are

legitimate and being properly combined to

compute the longitudinal elevation profile

47

Distance Measurement Index Test

rsaquo AASHTO R56-10 Section 84

rsaquo Tests accuracy of profilers distance

measurement instrument (DMI)

48

Inertial Profiler must be certified within the last 12 months

Profiler Operator must be certified within the last 12 months

Contractors must obtain certification from the California Certification Site

MRI for each 01 mile section of a

lane

ldquoMust Grindsrdquo are now defined as ldquoAreas of Localized Roughnessrdquo

Areas of localized roughness uses a continuous IRI for each wheel path with a 25 ft interval

Areas of localized roughness that exceed 120(160) inmile must be corrected regardless of the IRI values of a 01 mile section

51

Caltrans will independently collect profile data

For each 01 mile section the contractorrsquos IRI values must be within 10 percent of Caltransrsquo IRI values

52

Collects data at a high rate of speed (approx 30 mph to 60 mph)

Collects data for both wheel paths simultaneously

No traffic control

Safer

$$$$ Savings

Free from projections ndash not rough a

smooth road

Free from abrupt curves ndash smooth ride

Even uninterrupted movement ndash smooth

driving

56

Smoothpavementscom (FHWA)

Roadprofilecom (ProVAL)

CT Pavement Website

httpwwwdotcagovhqmaintPavementOf

ficesPavement_EngineeringSmoother_Paveme

ntshtml

Equipment Suppliers

Ames Engineering (amesengineeringcom)

Dynatest (dynatestcom)

Surface Systems and Instruments

(Smoothroadcom)

Front Mount

Rear Mount

Side Mount

38

International Roughness Index (IRI)rsaquo Computer Algorithm

Areas of Localized Roughness (aka ldquomust grindsrdquo)rsaquo Isolated areas of roughness

Profile Indexrsaquo 02 inch blanking band

rsaquo 00 inch (Zero) blanking band

Must Grindsrsaquo 03 inches in 25 feet

42

0

50

100

150

200

250

300

350

0 25 50 75 100 125 150 175 200 225

Distance (feet)

IRI

(in

mi)

25-foot

sliding

window

43

44

The site is located in the median of Interstate 80 at the Sacramento Regional Transit Light Rail station (WattI-80) parking lot

Two test sections (asphalt and concrete)

University of California Pavement Research Center with the assistance of the Pavement Program and METS will administer calibration program

Calibration tests will be conducted 2 to 4 times per year (March May and July for 2014)

Block Test

rsaquo AASHTO R57-10 Section 53231

rsaquo This test will be conducted on a relatively flat

and level area

rsaquo Itrsquos purpose is to check the height

measurements from the height sensor(s) of

the test vehicle using blocks of known heights

(ie 05 inch 10 inch 20 inch)

46

Bounce Test

rsaquo AASHTO R57-10 Section 53232

rsaquo Itrsquos purpose is to ensures that the data from

the height sensor and accelerometer are

legitimate and being properly combined to

compute the longitudinal elevation profile

47

Distance Measurement Index Test

rsaquo AASHTO R56-10 Section 84

rsaquo Tests accuracy of profilers distance

measurement instrument (DMI)

48

Inertial Profiler must be certified within the last 12 months

Profiler Operator must be certified within the last 12 months

Contractors must obtain certification from the California Certification Site

MRI for each 01 mile section of a

lane

ldquoMust Grindsrdquo are now defined as ldquoAreas of Localized Roughnessrdquo

Areas of localized roughness uses a continuous IRI for each wheel path with a 25 ft interval

Areas of localized roughness that exceed 120(160) inmile must be corrected regardless of the IRI values of a 01 mile section

51

Caltrans will independently collect profile data

For each 01 mile section the contractorrsquos IRI values must be within 10 percent of Caltransrsquo IRI values

52

Collects data at a high rate of speed (approx 30 mph to 60 mph)

Collects data for both wheel paths simultaneously

No traffic control

Safer

$$$$ Savings

Free from projections ndash not rough a

smooth road

Free from abrupt curves ndash smooth ride

Even uninterrupted movement ndash smooth

driving

56

Smoothpavementscom (FHWA)

Roadprofilecom (ProVAL)

CT Pavement Website

httpwwwdotcagovhqmaintPavementOf

ficesPavement_EngineeringSmoother_Paveme

ntshtml

Equipment Suppliers

Ames Engineering (amesengineeringcom)

Dynatest (dynatestcom)

Surface Systems and Instruments

(Smoothroadcom)

38

International Roughness Index (IRI)rsaquo Computer Algorithm

Areas of Localized Roughness (aka ldquomust grindsrdquo)rsaquo Isolated areas of roughness

Profile Indexrsaquo 02 inch blanking band

rsaquo 00 inch (Zero) blanking band

Must Grindsrsaquo 03 inches in 25 feet

42

0

50

100

150

200

250

300

350

0 25 50 75 100 125 150 175 200 225

Distance (feet)

IRI

(in

mi)

25-foot

sliding

window

43

44

The site is located in the median of Interstate 80 at the Sacramento Regional Transit Light Rail station (WattI-80) parking lot

Two test sections (asphalt and concrete)

University of California Pavement Research Center with the assistance of the Pavement Program and METS will administer calibration program

Calibration tests will be conducted 2 to 4 times per year (March May and July for 2014)

Block Test

rsaquo AASHTO R57-10 Section 53231

rsaquo This test will be conducted on a relatively flat

and level area

rsaquo Itrsquos purpose is to check the height

measurements from the height sensor(s) of

the test vehicle using blocks of known heights

(ie 05 inch 10 inch 20 inch)

46

Bounce Test

rsaquo AASHTO R57-10 Section 53232

rsaquo Itrsquos purpose is to ensures that the data from

the height sensor and accelerometer are

legitimate and being properly combined to

compute the longitudinal elevation profile

47

Distance Measurement Index Test

rsaquo AASHTO R56-10 Section 84

rsaquo Tests accuracy of profilers distance

measurement instrument (DMI)

48

Inertial Profiler must be certified within the last 12 months

Profiler Operator must be certified within the last 12 months

Contractors must obtain certification from the California Certification Site

MRI for each 01 mile section of a

lane

ldquoMust Grindsrdquo are now defined as ldquoAreas of Localized Roughnessrdquo

Areas of localized roughness uses a continuous IRI for each wheel path with a 25 ft interval

Areas of localized roughness that exceed 120(160) inmile must be corrected regardless of the IRI values of a 01 mile section

51

Caltrans will independently collect profile data

For each 01 mile section the contractorrsquos IRI values must be within 10 percent of Caltransrsquo IRI values

52

Collects data at a high rate of speed (approx 30 mph to 60 mph)

Collects data for both wheel paths simultaneously

No traffic control

Safer

$$$$ Savings

Free from projections ndash not rough a

smooth road

Free from abrupt curves ndash smooth ride

Even uninterrupted movement ndash smooth

driving

56

Smoothpavementscom (FHWA)

Roadprofilecom (ProVAL)

CT Pavement Website

httpwwwdotcagovhqmaintPavementOf

ficesPavement_EngineeringSmoother_Paveme

ntshtml

Equipment Suppliers

Ames Engineering (amesengineeringcom)

Dynatest (dynatestcom)

Surface Systems and Instruments

(Smoothroadcom)

International Roughness Index (IRI)rsaquo Computer Algorithm

Areas of Localized Roughness (aka ldquomust grindsrdquo)rsaquo Isolated areas of roughness

Profile Indexrsaquo 02 inch blanking band

rsaquo 00 inch (Zero) blanking band

Must Grindsrsaquo 03 inches in 25 feet

42

0

50

100

150

200

250

300

350

0 25 50 75 100 125 150 175 200 225

Distance (feet)

IRI

(in

mi)

25-foot

sliding

window

43

44

The site is located in the median of Interstate 80 at the Sacramento Regional Transit Light Rail station (WattI-80) parking lot

Two test sections (asphalt and concrete)

University of California Pavement Research Center with the assistance of the Pavement Program and METS will administer calibration program

Calibration tests will be conducted 2 to 4 times per year (March May and July for 2014)

Block Test

rsaquo AASHTO R57-10 Section 53231

rsaquo This test will be conducted on a relatively flat

and level area

rsaquo Itrsquos purpose is to check the height

measurements from the height sensor(s) of

the test vehicle using blocks of known heights

(ie 05 inch 10 inch 20 inch)

46

Bounce Test

rsaquo AASHTO R57-10 Section 53232

rsaquo Itrsquos purpose is to ensures that the data from

the height sensor and accelerometer are

legitimate and being properly combined to

compute the longitudinal elevation profile

47

Distance Measurement Index Test

rsaquo AASHTO R56-10 Section 84

rsaquo Tests accuracy of profilers distance

measurement instrument (DMI)

48

Inertial Profiler must be certified within the last 12 months

Profiler Operator must be certified within the last 12 months

Contractors must obtain certification from the California Certification Site

MRI for each 01 mile section of a

lane

ldquoMust Grindsrdquo are now defined as ldquoAreas of Localized Roughnessrdquo

Areas of localized roughness uses a continuous IRI for each wheel path with a 25 ft interval

Areas of localized roughness that exceed 120(160) inmile must be corrected regardless of the IRI values of a 01 mile section

51

Caltrans will independently collect profile data

For each 01 mile section the contractorrsquos IRI values must be within 10 percent of Caltransrsquo IRI values

52

Collects data at a high rate of speed (approx 30 mph to 60 mph)

Collects data for both wheel paths simultaneously

No traffic control

Safer

$$$$ Savings

Free from projections ndash not rough a

smooth road

Free from abrupt curves ndash smooth ride

Even uninterrupted movement ndash smooth

driving

56

Smoothpavementscom (FHWA)

Roadprofilecom (ProVAL)

CT Pavement Website

httpwwwdotcagovhqmaintPavementOf

ficesPavement_EngineeringSmoother_Paveme

ntshtml

Equipment Suppliers

Ames Engineering (amesengineeringcom)

Dynatest (dynatestcom)

Surface Systems and Instruments

(Smoothroadcom)

Profile Indexrsaquo 02 inch blanking band

rsaquo 00 inch (Zero) blanking band

Must Grindsrsaquo 03 inches in 25 feet

42

0

50

100

150

200

250

300

350

0 25 50 75 100 125 150 175 200 225

Distance (feet)

IRI

(in

mi)

25-foot

sliding

window

43

44

The site is located in the median of Interstate 80 at the Sacramento Regional Transit Light Rail station (WattI-80) parking lot

Two test sections (asphalt and concrete)

University of California Pavement Research Center with the assistance of the Pavement Program and METS will administer calibration program

Calibration tests will be conducted 2 to 4 times per year (March May and July for 2014)

Block Test

rsaquo AASHTO R57-10 Section 53231

rsaquo This test will be conducted on a relatively flat

and level area

rsaquo Itrsquos purpose is to check the height

measurements from the height sensor(s) of

the test vehicle using blocks of known heights

(ie 05 inch 10 inch 20 inch)

46

Bounce Test

rsaquo AASHTO R57-10 Section 53232

rsaquo Itrsquos purpose is to ensures that the data from

the height sensor and accelerometer are

legitimate and being properly combined to

compute the longitudinal elevation profile

47

Distance Measurement Index Test

rsaquo AASHTO R56-10 Section 84

rsaquo Tests accuracy of profilers distance

measurement instrument (DMI)

48

Inertial Profiler must be certified within the last 12 months

Profiler Operator must be certified within the last 12 months

Contractors must obtain certification from the California Certification Site

MRI for each 01 mile section of a

lane

ldquoMust Grindsrdquo are now defined as ldquoAreas of Localized Roughnessrdquo

Areas of localized roughness uses a continuous IRI for each wheel path with a 25 ft interval

Areas of localized roughness that exceed 120(160) inmile must be corrected regardless of the IRI values of a 01 mile section

51

Caltrans will independently collect profile data

For each 01 mile section the contractorrsquos IRI values must be within 10 percent of Caltransrsquo IRI values

52

Collects data at a high rate of speed (approx 30 mph to 60 mph)

Collects data for both wheel paths simultaneously

No traffic control

Safer

$$$$ Savings

Free from projections ndash not rough a

smooth road

Free from abrupt curves ndash smooth ride

Even uninterrupted movement ndash smooth

driving

56

Smoothpavementscom (FHWA)

Roadprofilecom (ProVAL)

CT Pavement Website

httpwwwdotcagovhqmaintPavementOf

ficesPavement_EngineeringSmoother_Paveme

ntshtml

Equipment Suppliers

Ames Engineering (amesengineeringcom)

Dynatest (dynatestcom)

Surface Systems and Instruments

(Smoothroadcom)

42

0

50

100

150

200

250

300

350

0 25 50 75 100 125 150 175 200 225

Distance (feet)

IRI

(in

mi)

25-foot

sliding

window

43

44

The site is located in the median of Interstate 80 at the Sacramento Regional Transit Light Rail station (WattI-80) parking lot

Two test sections (asphalt and concrete)

University of California Pavement Research Center with the assistance of the Pavement Program and METS will administer calibration program

Calibration tests will be conducted 2 to 4 times per year (March May and July for 2014)

Block Test

rsaquo AASHTO R57-10 Section 53231

rsaquo This test will be conducted on a relatively flat

and level area

rsaquo Itrsquos purpose is to check the height

measurements from the height sensor(s) of

the test vehicle using blocks of known heights

(ie 05 inch 10 inch 20 inch)

46

Bounce Test

rsaquo AASHTO R57-10 Section 53232

rsaquo Itrsquos purpose is to ensures that the data from

the height sensor and accelerometer are

legitimate and being properly combined to

compute the longitudinal elevation profile

47

Distance Measurement Index Test

rsaquo AASHTO R56-10 Section 84

rsaquo Tests accuracy of profilers distance

measurement instrument (DMI)

48

Inertial Profiler must be certified within the last 12 months

Profiler Operator must be certified within the last 12 months

Contractors must obtain certification from the California Certification Site

MRI for each 01 mile section of a

lane

ldquoMust Grindsrdquo are now defined as ldquoAreas of Localized Roughnessrdquo

Areas of localized roughness uses a continuous IRI for each wheel path with a 25 ft interval

Areas of localized roughness that exceed 120(160) inmile must be corrected regardless of the IRI values of a 01 mile section

51

Caltrans will independently collect profile data

For each 01 mile section the contractorrsquos IRI values must be within 10 percent of Caltransrsquo IRI values

52

Collects data at a high rate of speed (approx 30 mph to 60 mph)

Collects data for both wheel paths simultaneously

No traffic control

Safer

$$$$ Savings

Free from projections ndash not rough a

smooth road

Free from abrupt curves ndash smooth ride

Even uninterrupted movement ndash smooth

driving

56

Smoothpavementscom (FHWA)

Roadprofilecom (ProVAL)

CT Pavement Website

httpwwwdotcagovhqmaintPavementOf

ficesPavement_EngineeringSmoother_Paveme

ntshtml

Equipment Suppliers

Ames Engineering (amesengineeringcom)

Dynatest (dynatestcom)

Surface Systems and Instruments

(Smoothroadcom)

43

44

The site is located in the median of Interstate 80 at the Sacramento Regional Transit Light Rail station (WattI-80) parking lot

Two test sections (asphalt and concrete)

University of California Pavement Research Center with the assistance of the Pavement Program and METS will administer calibration program

Calibration tests will be conducted 2 to 4 times per year (March May and July for 2014)

Block Test

rsaquo AASHTO R57-10 Section 53231

rsaquo This test will be conducted on a relatively flat

and level area

rsaquo Itrsquos purpose is to check the height

measurements from the height sensor(s) of

the test vehicle using blocks of known heights

(ie 05 inch 10 inch 20 inch)

46

Bounce Test

rsaquo AASHTO R57-10 Section 53232

rsaquo Itrsquos purpose is to ensures that the data from

the height sensor and accelerometer are

legitimate and being properly combined to

compute the longitudinal elevation profile

47

Distance Measurement Index Test

rsaquo AASHTO R56-10 Section 84

rsaquo Tests accuracy of profilers distance

measurement instrument (DMI)

48

Inertial Profiler must be certified within the last 12 months

Profiler Operator must be certified within the last 12 months

Contractors must obtain certification from the California Certification Site

MRI for each 01 mile section of a

lane

ldquoMust Grindsrdquo are now defined as ldquoAreas of Localized Roughnessrdquo

Areas of localized roughness uses a continuous IRI for each wheel path with a 25 ft interval

Areas of localized roughness that exceed 120(160) inmile must be corrected regardless of the IRI values of a 01 mile section

51

Caltrans will independently collect profile data

For each 01 mile section the contractorrsquos IRI values must be within 10 percent of Caltransrsquo IRI values

52

Collects data at a high rate of speed (approx 30 mph to 60 mph)

Collects data for both wheel paths simultaneously

No traffic control

Safer

$$$$ Savings

Free from projections ndash not rough a

smooth road

Free from abrupt curves ndash smooth ride

Even uninterrupted movement ndash smooth

driving

56

Smoothpavementscom (FHWA)

Roadprofilecom (ProVAL)

CT Pavement Website

httpwwwdotcagovhqmaintPavementOf

ficesPavement_EngineeringSmoother_Paveme

ntshtml

Equipment Suppliers

Ames Engineering (amesengineeringcom)

Dynatest (dynatestcom)

Surface Systems and Instruments

(Smoothroadcom)

44

The site is located in the median of Interstate 80 at the Sacramento Regional Transit Light Rail station (WattI-80) parking lot

Two test sections (asphalt and concrete)

University of California Pavement Research Center with the assistance of the Pavement Program and METS will administer calibration program

Calibration tests will be conducted 2 to 4 times per year (March May and July for 2014)

Block Test

rsaquo AASHTO R57-10 Section 53231

rsaquo This test will be conducted on a relatively flat

and level area

rsaquo Itrsquos purpose is to check the height

measurements from the height sensor(s) of

the test vehicle using blocks of known heights

(ie 05 inch 10 inch 20 inch)

46

Bounce Test

rsaquo AASHTO R57-10 Section 53232

rsaquo Itrsquos purpose is to ensures that the data from

the height sensor and accelerometer are

legitimate and being properly combined to

compute the longitudinal elevation profile

47

Distance Measurement Index Test

rsaquo AASHTO R56-10 Section 84

rsaquo Tests accuracy of profilers distance

measurement instrument (DMI)

48

Inertial Profiler must be certified within the last 12 months

Profiler Operator must be certified within the last 12 months

Contractors must obtain certification from the California Certification Site

MRI for each 01 mile section of a

lane

ldquoMust Grindsrdquo are now defined as ldquoAreas of Localized Roughnessrdquo

Areas of localized roughness uses a continuous IRI for each wheel path with a 25 ft interval

Areas of localized roughness that exceed 120(160) inmile must be corrected regardless of the IRI values of a 01 mile section

51

Caltrans will independently collect profile data

For each 01 mile section the contractorrsquos IRI values must be within 10 percent of Caltransrsquo IRI values

52

Collects data at a high rate of speed (approx 30 mph to 60 mph)

Collects data for both wheel paths simultaneously

No traffic control

Safer

$$$$ Savings

Free from projections ndash not rough a

smooth road

Free from abrupt curves ndash smooth ride

Even uninterrupted movement ndash smooth

driving

56

Smoothpavementscom (FHWA)

Roadprofilecom (ProVAL)

CT Pavement Website

httpwwwdotcagovhqmaintPavementOf

ficesPavement_EngineeringSmoother_Paveme

ntshtml

Equipment Suppliers

Ames Engineering (amesengineeringcom)

Dynatest (dynatestcom)

Surface Systems and Instruments

(Smoothroadcom)

University of California Pavement Research Center with the assistance of the Pavement Program and METS will administer calibration program

Calibration tests will be conducted 2 to 4 times per year (March May and July for 2014)

Block Test

rsaquo AASHTO R57-10 Section 53231

rsaquo This test will be conducted on a relatively flat

and level area

rsaquo Itrsquos purpose is to check the height

measurements from the height sensor(s) of

the test vehicle using blocks of known heights

(ie 05 inch 10 inch 20 inch)

46

Bounce Test

rsaquo AASHTO R57-10 Section 53232

rsaquo Itrsquos purpose is to ensures that the data from

the height sensor and accelerometer are

legitimate and being properly combined to

compute the longitudinal elevation profile

47

Distance Measurement Index Test

rsaquo AASHTO R56-10 Section 84

rsaquo Tests accuracy of profilers distance

measurement instrument (DMI)

48

Inertial Profiler must be certified within the last 12 months

Profiler Operator must be certified within the last 12 months

Contractors must obtain certification from the California Certification Site

MRI for each 01 mile section of a

lane

ldquoMust Grindsrdquo are now defined as ldquoAreas of Localized Roughnessrdquo

Areas of localized roughness uses a continuous IRI for each wheel path with a 25 ft interval

Areas of localized roughness that exceed 120(160) inmile must be corrected regardless of the IRI values of a 01 mile section

51

Caltrans will independently collect profile data

For each 01 mile section the contractorrsquos IRI values must be within 10 percent of Caltransrsquo IRI values

52

Collects data at a high rate of speed (approx 30 mph to 60 mph)

Collects data for both wheel paths simultaneously

No traffic control

Safer

$$$$ Savings

Free from projections ndash not rough a

smooth road

Free from abrupt curves ndash smooth ride

Even uninterrupted movement ndash smooth

driving

56

Smoothpavementscom (FHWA)

Roadprofilecom (ProVAL)

CT Pavement Website

httpwwwdotcagovhqmaintPavementOf

ficesPavement_EngineeringSmoother_Paveme

ntshtml

Equipment Suppliers

Ames Engineering (amesengineeringcom)

Dynatest (dynatestcom)

Surface Systems and Instruments

(Smoothroadcom)

Block Test

rsaquo AASHTO R57-10 Section 53231

rsaquo This test will be conducted on a relatively flat

and level area

rsaquo Itrsquos purpose is to check the height

measurements from the height sensor(s) of

the test vehicle using blocks of known heights

(ie 05 inch 10 inch 20 inch)

46

Bounce Test

rsaquo AASHTO R57-10 Section 53232

rsaquo Itrsquos purpose is to ensures that the data from

the height sensor and accelerometer are

legitimate and being properly combined to

compute the longitudinal elevation profile

47

Distance Measurement Index Test

rsaquo AASHTO R56-10 Section 84

rsaquo Tests accuracy of profilers distance

measurement instrument (DMI)

48

Inertial Profiler must be certified within the last 12 months

Profiler Operator must be certified within the last 12 months

Contractors must obtain certification from the California Certification Site

MRI for each 01 mile section of a

lane

ldquoMust Grindsrdquo are now defined as ldquoAreas of Localized Roughnessrdquo

Areas of localized roughness uses a continuous IRI for each wheel path with a 25 ft interval

Areas of localized roughness that exceed 120(160) inmile must be corrected regardless of the IRI values of a 01 mile section

51

Caltrans will independently collect profile data

For each 01 mile section the contractorrsquos IRI values must be within 10 percent of Caltransrsquo IRI values

52

Collects data at a high rate of speed (approx 30 mph to 60 mph)

Collects data for both wheel paths simultaneously

No traffic control

Safer

$$$$ Savings

Free from projections ndash not rough a

smooth road

Free from abrupt curves ndash smooth ride

Even uninterrupted movement ndash smooth

driving

56

Smoothpavementscom (FHWA)

Roadprofilecom (ProVAL)

CT Pavement Website

httpwwwdotcagovhqmaintPavementOf

ficesPavement_EngineeringSmoother_Paveme

ntshtml

Equipment Suppliers

Ames Engineering (amesengineeringcom)

Dynatest (dynatestcom)

Surface Systems and Instruments

(Smoothroadcom)

Bounce Test

rsaquo AASHTO R57-10 Section 53232

rsaquo Itrsquos purpose is to ensures that the data from

the height sensor and accelerometer are

legitimate and being properly combined to

compute the longitudinal elevation profile

47

Distance Measurement Index Test

rsaquo AASHTO R56-10 Section 84

rsaquo Tests accuracy of profilers distance

measurement instrument (DMI)

48

Inertial Profiler must be certified within the last 12 months

Profiler Operator must be certified within the last 12 months

Contractors must obtain certification from the California Certification Site

MRI for each 01 mile section of a

lane

ldquoMust Grindsrdquo are now defined as ldquoAreas of Localized Roughnessrdquo

Areas of localized roughness uses a continuous IRI for each wheel path with a 25 ft interval

Areas of localized roughness that exceed 120(160) inmile must be corrected regardless of the IRI values of a 01 mile section

51

Caltrans will independently collect profile data

For each 01 mile section the contractorrsquos IRI values must be within 10 percent of Caltransrsquo IRI values

52

Collects data at a high rate of speed (approx 30 mph to 60 mph)

Collects data for both wheel paths simultaneously

No traffic control

Safer

$$$$ Savings

Free from projections ndash not rough a

smooth road

Free from abrupt curves ndash smooth ride

Even uninterrupted movement ndash smooth

driving

56

Smoothpavementscom (FHWA)

Roadprofilecom (ProVAL)

CT Pavement Website

httpwwwdotcagovhqmaintPavementOf

ficesPavement_EngineeringSmoother_Paveme

ntshtml

Equipment Suppliers

Ames Engineering (amesengineeringcom)

Dynatest (dynatestcom)

Surface Systems and Instruments

(Smoothroadcom)

Distance Measurement Index Test

rsaquo AASHTO R56-10 Section 84

rsaquo Tests accuracy of profilers distance

measurement instrument (DMI)

48

Inertial Profiler must be certified within the last 12 months

Profiler Operator must be certified within the last 12 months

Contractors must obtain certification from the California Certification Site

MRI for each 01 mile section of a

lane

ldquoMust Grindsrdquo are now defined as ldquoAreas of Localized Roughnessrdquo

Areas of localized roughness uses a continuous IRI for each wheel path with a 25 ft interval

Areas of localized roughness that exceed 120(160) inmile must be corrected regardless of the IRI values of a 01 mile section

51

Caltrans will independently collect profile data

For each 01 mile section the contractorrsquos IRI values must be within 10 percent of Caltransrsquo IRI values

52

Collects data at a high rate of speed (approx 30 mph to 60 mph)

Collects data for both wheel paths simultaneously

No traffic control

Safer

$$$$ Savings

Free from projections ndash not rough a

smooth road

Free from abrupt curves ndash smooth ride

Even uninterrupted movement ndash smooth

driving

56

Smoothpavementscom (FHWA)

Roadprofilecom (ProVAL)

CT Pavement Website

httpwwwdotcagovhqmaintPavementOf

ficesPavement_EngineeringSmoother_Paveme

ntshtml

Equipment Suppliers

Ames Engineering (amesengineeringcom)

Dynatest (dynatestcom)

Surface Systems and Instruments

(Smoothroadcom)

Inertial Profiler must be certified within the last 12 months

Profiler Operator must be certified within the last 12 months

Contractors must obtain certification from the California Certification Site

MRI for each 01 mile section of a

lane

ldquoMust Grindsrdquo are now defined as ldquoAreas of Localized Roughnessrdquo

Areas of localized roughness uses a continuous IRI for each wheel path with a 25 ft interval

Areas of localized roughness that exceed 120(160) inmile must be corrected regardless of the IRI values of a 01 mile section

51

Caltrans will independently collect profile data

For each 01 mile section the contractorrsquos IRI values must be within 10 percent of Caltransrsquo IRI values

52

Collects data at a high rate of speed (approx 30 mph to 60 mph)

Collects data for both wheel paths simultaneously

No traffic control

Safer

$$$$ Savings

Free from projections ndash not rough a

smooth road

Free from abrupt curves ndash smooth ride

Even uninterrupted movement ndash smooth

driving

56

Smoothpavementscom (FHWA)

Roadprofilecom (ProVAL)

CT Pavement Website

httpwwwdotcagovhqmaintPavementOf

ficesPavement_EngineeringSmoother_Paveme

ntshtml

Equipment Suppliers

Ames Engineering (amesengineeringcom)

Dynatest (dynatestcom)

Surface Systems and Instruments

(Smoothroadcom)

MRI for each 01 mile section of a

lane

ldquoMust Grindsrdquo are now defined as ldquoAreas of Localized Roughnessrdquo

Areas of localized roughness uses a continuous IRI for each wheel path with a 25 ft interval

Areas of localized roughness that exceed 120(160) inmile must be corrected regardless of the IRI values of a 01 mile section

51

Caltrans will independently collect profile data

For each 01 mile section the contractorrsquos IRI values must be within 10 percent of Caltransrsquo IRI values

52

Collects data at a high rate of speed (approx 30 mph to 60 mph)

Collects data for both wheel paths simultaneously

No traffic control

Safer

$$$$ Savings

Free from projections ndash not rough a

smooth road

Free from abrupt curves ndash smooth ride

Even uninterrupted movement ndash smooth

driving

56

Smoothpavementscom (FHWA)

Roadprofilecom (ProVAL)

CT Pavement Website

httpwwwdotcagovhqmaintPavementOf

ficesPavement_EngineeringSmoother_Paveme

ntshtml

Equipment Suppliers

Ames Engineering (amesengineeringcom)

Dynatest (dynatestcom)

Surface Systems and Instruments

(Smoothroadcom)

ldquoMust Grindsrdquo are now defined as ldquoAreas of Localized Roughnessrdquo

Areas of localized roughness uses a continuous IRI for each wheel path with a 25 ft interval

Areas of localized roughness that exceed 120(160) inmile must be corrected regardless of the IRI values of a 01 mile section

51

Caltrans will independently collect profile data

For each 01 mile section the contractorrsquos IRI values must be within 10 percent of Caltransrsquo IRI values

52

Collects data at a high rate of speed (approx 30 mph to 60 mph)

Collects data for both wheel paths simultaneously

No traffic control

Safer

$$$$ Savings

Free from projections ndash not rough a

smooth road

Free from abrupt curves ndash smooth ride

Even uninterrupted movement ndash smooth

driving

56

Smoothpavementscom (FHWA)

Roadprofilecom (ProVAL)

CT Pavement Website

httpwwwdotcagovhqmaintPavementOf

ficesPavement_EngineeringSmoother_Paveme

ntshtml

Equipment Suppliers

Ames Engineering (amesengineeringcom)

Dynatest (dynatestcom)

Surface Systems and Instruments

(Smoothroadcom)

Caltrans will independently collect profile data

For each 01 mile section the contractorrsquos IRI values must be within 10 percent of Caltransrsquo IRI values

52

Collects data at a high rate of speed (approx 30 mph to 60 mph)

Collects data for both wheel paths simultaneously

No traffic control

Safer

$$$$ Savings

Free from projections ndash not rough a

smooth road

Free from abrupt curves ndash smooth ride

Even uninterrupted movement ndash smooth

driving

56

Smoothpavementscom (FHWA)

Roadprofilecom (ProVAL)

CT Pavement Website

httpwwwdotcagovhqmaintPavementOf

ficesPavement_EngineeringSmoother_Paveme

ntshtml

Equipment Suppliers

Ames Engineering (amesengineeringcom)

Dynatest (dynatestcom)

Surface Systems and Instruments

(Smoothroadcom)

Collects data at a high rate of speed (approx 30 mph to 60 mph)

Collects data for both wheel paths simultaneously

No traffic control

Safer

$$$$ Savings

Free from projections ndash not rough a

smooth road

Free from abrupt curves ndash smooth ride

Even uninterrupted movement ndash smooth

driving

56

Smoothpavementscom (FHWA)

Roadprofilecom (ProVAL)

CT Pavement Website

httpwwwdotcagovhqmaintPavementOf

ficesPavement_EngineeringSmoother_Paveme

ntshtml

Equipment Suppliers

Ames Engineering (amesengineeringcom)

Dynatest (dynatestcom)

Surface Systems and Instruments

(Smoothroadcom)

Free from projections ndash not rough a

smooth road

Free from abrupt curves ndash smooth ride

Even uninterrupted movement ndash smooth

driving

56

Smoothpavementscom (FHWA)

Roadprofilecom (ProVAL)

CT Pavement Website

httpwwwdotcagovhqmaintPavementOf

ficesPavement_EngineeringSmoother_Paveme

ntshtml

Equipment Suppliers

Ames Engineering (amesengineeringcom)

Dynatest (dynatestcom)

Surface Systems and Instruments

(Smoothroadcom)

56

Smoothpavementscom (FHWA)

Roadprofilecom (ProVAL)

CT Pavement Website

httpwwwdotcagovhqmaintPavementOf

ficesPavement_EngineeringSmoother_Paveme

ntshtml

Equipment Suppliers

Ames Engineering (amesengineeringcom)

Dynatest (dynatestcom)

Surface Systems and Instruments

(Smoothroadcom)