typical section - illinois department of transportation section cta blue line eastbound i-90 2 lanes...

Typical Section

CTA BLUE LINE

EASTBOUND I-90

2 LANESEB I-90

SHOULDERAND CONCRETE

BARRIER

CONSTRUCT CONSTRUCTCONSTRUCTRESURFACE

1 LANECUMBERLAND

FLYOVER

3 LANESEB I-190

INSIDE SHOULDER

I - 190 to Cumberland Conceptual Design

2 LANE EXITSB CUMBERLAND AVE.

CONSTRUCT

Eastbound: with CD Road

(SEE WB 1-90ALTERNATIVE) KEYMAP

Typical SectionI - 190 to Cumberland Conceptual Design

CTABLUE LINE

EASTBOUND I-90

3 LANESEB I-90

GORE


1 LANECUMBERLAND

FLYOVER

3 LANESEB I-190

GORE

CONSTRUCT


CONSTRUCTEastbound: without CD Road

(SEE WB 1-90ALTERNATIVE)

KEYMAP

Typical SectionI - 190 to Cumberland Conceptual Design

CTA BLUE LINE

WESTBOUND I-90

RECONSTRUCTRECONSTRUCT

RAMP / GORETO WB I-190

RESURFACE

3 EXISTING LANESWB I-90 INSIDE

SHOULDER

1 LANEENTRANCE

SOUTHBOUNDCUMBERLAND

AVE.

CONSTRUCT

CD ROAD

WB I-90 / I-190

MAINLINE

WB I-90

(SEE EB 1-90ALTERNATIVE)

Westbound: with CD Road

KEYMAP

Typical Section

CTA BLUE LINE

WESTBOUND I-90

RECONSTRUCT

GORETO WB I-190

WIDEN AND RESURFACE RESURFACE

1 LANEENTRANCE


AVE.

CONSTRUCT

3 EXISTING LANESWB I-90 INSIDE

SHOULDER

I - 190 to CumberlandWestbound: without CD Road

Conceptual Design

(SEE EB 1-90ALTERNATIVE)

KEYMAP

Evaluation of Reasonable Alternatives

PWG Meeting #2:

Eastbound: Stakeholders preferred the alternative

without CD road, since it improves access to

Cumberland Ave southbound exit, but does not require

reduced shoulders through the Cumberland CTA

Station area

Westbound: Stakeholders preferred the CD road

alternative, since it improves weaving conditions at

the Cumberland Ave interchange and does not impact

the pedestrian bridge at the Cumberland CTA Station

Meets Purpose? Improves safety? Improves traffic operations? Impacts?

Eastbound: CD Road

Yes, separates NB and SB Cumberland exiting traffic from I-90/I-190 traffic. Adds additional capacity east of Cumberland to Harlem.

Yes, additional capacity helps reduce the high number of rear-end and sideswipe crashes caused by traffic congestion. However, reduced width shoulders are necessary along Cumberland CTA Station, providing less space for emergency needs.

Yes: CD Road simplifies merging of I-90 and I-190, separates Cumberland interchange traffic from mainline

Reduced width shoulders necessary along Cumberland CTA Station

Eastbound: No CD Road (Alternative carried forward)

Yes, separates NB and SB Cumberland exiting traffic from I-90/I-190 traffic. Adds additional capacity east of Cumberland to Harlem.

Yes, weaving to SB Cumberland eliminated with CD road. Additional capacity helps reduce the high number of rear-end and sideswipe crashes caused by traffic congestions. Shoulders at Cumberland CTA Station remain at existing width for emergency needs.

Yes, SB Cumberland interchange traffic is separated from mainline traffic.

Westbound: CD Road (Alternative carried forward)

Yes, separates Cumberland and I-190 traffic from I-90. Adds capacity from Harlem to I-190.

Yes, CD road separates high volume of traffic and allows SB Cumberland entrance weave with a lower through volume.

Yes, Cumberland interchange traffic and I-190 traffic are separated from I-90 through traffic.

Westbound: No CD Road

Yes, adds capacity from Harlem to I-190. Yes, additional capacity helps reduce the high number of rear-end and sideswipe crashes caused by traffic congestion.

Yes, additional lane provides more capacity and helps to improve SB Cumberland to WB I-90 weave from existing.

Would impact the pedestrian bridge at the CTA Cumberland Station

Evaluation criteria

Purpose:

To provide an improved

transportation system along I-90

Needs:

Improve safety and improve

traffic operations

Preferred Alternative Typical SectionI - 190 to Cumberland Proposed Design

CTABLUE LINE

EASTBOUND I-90

3 LANESEB I-90

GORE


1 LANECUMBERLAND

FLYOVER

3 LANESEB I-190

GORE

CONSTRUCT


CONSTRUCT

CTA BLUE LINE

WESTBOUND I-90

RECONSTRUCTRECONSTRUCT

RAMP / GORETO WB I-190

RESURFACE

3 EXISTING LANESWB I-90

1 LANEENTRANCE


AVE.

CONSTRUCT

CD ROAD

WB I-90 / I-190

MAINLINE

WB I-90

KEYMAP

CTA BLUE LINE3 EXISTING LANESWB I-90

RESURFACE3 EXISTING LANES

EB I-90

RESURFACE ADDADDOUTSIDE

SHOULDERAUXILIARY

LANEOUTSIDE

SHOULDERAUXILIARY

LANEINSIDE SHOULDER

INSIDE SHOULDER

Typical SectionCanfield to Harlem Proposed Design

EXISTING RIGHT-OF-WAYWIDTH VARIES

WB I-90 EB I-90

KEYMAP

Preferred Alternative Traffic Operations

Weave

C

Weave

D

Level of Service (LOS)

Highest quality of service. Traffic flows freely.

Unrestricted weave and merge/diverge operations.

No delays.

Diverge

D Segment

D

Segment

D Weave

D

Segment

D

Traffic data: 2012 Design Hour Volume (DHV) DHV = Hour with the 4th highest hourly volume

during a day

A E C B F D

Stable operation. Merging and diverging

maneuvers noticeable to drivers.

Minimal delays.

Few restrictions on speed. Freedom to maneuver is

restricted, speeds reduced in weaving and merging areas.

Minimal delays.

Speeds decline slightly. Freedom to maneuver is noticeably

limited. Weaving and merging turbulence is intrusive.

Noticeable delays.

Vehicles are closely spaced with little room to maneuver. Driver comfort is poor. Traffic

approaching roadway capacity. Significant delays.

Very congested traffic with traffic jams. Queues form on

ramps and freeway where vehicles have to merge.

Considerable delays.

Weave

D

Preferred Alternative – Weaving Diagrams

Eastbound Existing Conditions

Eastbound Preferred Alternative

Westbound Existing Conditions

Westbound Preferred Alternative

EB I-90

EB I-190

EB I-90

Ramp to SB Cumberland

Ramp to NB Cumberland

I-90 to SB Cumberland:

2 lane changes I-190 to I-90::

1 lane change I-90 to NB Cumberland::

1 lane change

EB I-90

EB I-190

I-190 to SB Cumberland:

NO lane changes

I-190 to I-90::

NO lane changes

EB I-90

Ramp to SB Cumberland

Ramp to NB Cumberland

Cumberland Flyover ramp from Jane Addams Memorial Tollway

I-90 to NB Cumberland::

1 lane change

Ramp from SB Cumberland

Ramp from NB Cumberland

WB I-190

WB I-90 WB I-90

I-90 to I-190::

NO lane changes Cumberland ramps to I-90:

1 lane change

Ramp from SB Cumberland

Ramp from NB Cumberland

WB I-190

WB I-90 WB I-90

CD Road to I-190

I-90 to I-190::

NO lane changes Cumberland ramps to I-90:

2 lane changes

No

ise

Mo

nit

ori

ng Determined Common Noise

Environments (CNEs), which are areas that have the same activity category, similar exposure to noise and similar topography

Measured existing noise

Noise levels are based on these factors: speed, distance from highway, percentage of trucks, topography

Measurements taken at 11 field sites

Traf

fic

No

ise

Mo

del

Modeled predicted noise levels due to Preferred Alternative

18 Common noise environments

Determined areas where predicted noise levels approach, meet or exceed the NAC

Explored abatement measures for the areas identified above

Ab

atem

ent Abatement measures must

be feasible and reasonable

Any receptor receiving a 5 dB(A) reduction from a noise barrier is a benefited receptor

Achieve at least 5 dB(A) noise reduction for at least one impacted receptor

Achieve 8 dB(A) noise reduction for at least one benefited receptor

Cost effective: $24,000 - $37,000 per benefited receptor or $25/square foot

Solic

it V

iew

po

ints

Solicit viewpoints from tenants and property owners that would benefit (experience a noise reduction of 5 dB(A) or more) from abatement measures

33% response rate per wall is the goal

50% or more of the responses must be favorable to recommend the abatement measure for inclusion in the project

Noise Analysis

Typical noise barrier wall

IDOT Policy follows FHWA Noise Abatement Criteria (NAC)

An impact occurs when the predicted noise levels approach, meet or exceed the NAC for exterior uses:

66 dB(A)

•Residential

•Schools

•Parks & Playgrounds

•Cemeteries

72 dB(A)

•Offices

•Hotels

•Restaurants

Noise Analysis Process:

Types of noise abatement: • Noise barrier walls • Traffic management measures • Alteration of horizontal and/or

vertical alignment • Buffer zones • Noise insulation

Noise barrier walls are the only viable abatement measure for the I-90 Improvements Study

Common Outdoor Sound Levels

Common Indoor Sound Levels

120

110

100

90

80

70

60

50

40

30

20

10

Inside subway train

Food blender at 3ft

Garbage disposal at 3ft

Very loud speech at 3ft Vacuum cleaner at 10ft

Normal speech at 3ft Large business office quiet speech at 3ft

Dishwasher next room

Large conference room (background)

Library Bedroom at night

Concert hall (background) Broadcast / recording studio Threshold of hearing

Jet flyover at 1000ft Train horn at 1000ft Gas lawnmower at 3ft

Diesel truck at 50ft

Freight train at 100ft

Noisy urban daytime Lawnmower at 100ft

Commercial area Heavy traffic at 300ft

Quiet urban nighttime Quiet suburban nighttime Quiet rural nighttime

dB(A)

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§̈¦190

§̈¦90

City of Chicago

City of Chicago

N18-2 N18-3

N18-1FS-11

KENNEDY

EAST

RIV

ER

DES P

LAIN

ESRI

VER

OB NORTHWESTIB NORTHWEST

KENNEDY

CNE 18CNE 17

Source: Esri, DigitalGlobe, GeoEye, i-cubed, USDA, USGS, AEX, Getmapping, Aerogrid, IGN, IGP, swisstopo, and the GIS User Community

2-52-1 2-2 2-3 2-4

Noise Modeling Locations I-90 East to IL 43 (Harlem Ave)

Cook County, IL

Figure 2-1¯Common Noise Environment

") Field Measurement Site!( Noise Modeling Site

! Impacted Receptors! Benefited Receptors

Potential Noise Barrier

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§̈¦90

City of Chicago

City of Chicago

N1-1

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KENNEDY

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EAST

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CNE 17


2-52-1 2-2 2-3 2-4


Cook County, IL





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City of Park Ridge

City of Park Ridge

City of Chicago

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FS-9

N6-4

N5-1

N4-9N4-8N4-7

N4-6N4-5

N4-4N4-3

N4-2

N4-1

N3-3

N3-2

N3-1

FS-1

N2-9N2-8

N2-7N2-6

N2-5

N2-4

N2-3

N2-2

N2-1

N1-1

N16-2 N16-1

N15-1N14-9N14-8N14-7

N14-6

N14-5N14-4N14-3N14-2

N14-1

FS-10

N13-9

N13-8

N13-7

N13-6

N13-5

N13-4

N13-3

N13-2

N13-1

N12-1

N6-17

N6-16

N4-20N4-19

N4-18

N4-17

N4-16N4-15N4-14

N4-13N4-12

N4-11N4-10

N2-47

N2-46

N2-45N2-44

N2-43

N2-42N2-41

N2-40

N2-39N2-38

N2-37

N2-36N2-35

N2-34

N2-33N2-32

N2-31

N2-30N2-29

N2-28

N2-27N2-26

N2-25

N2-24

N2-23

N2-22

N2-21

N2-20N2-19

N2-18

N2-17

N2-16

N2-15

N2-14

N2-13N2-12

N2-11

N2-10

N14-25N14-24N14-23N14-22

N14-2

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N13-28

N13-27N13-26

N13-25

N13-24

N13-23

N13-22

N13-21

N13-20

N13-19

N13-18

N13-17

N13-16

N13-15

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N13-13

N13-12

N13-11

N13-10

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CNE 4CNE 3

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CNE 1

CNE 15

ORAN

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CNE 14

CNE 16

CNE 12


2-52-1 2-2 2-3 2-4


Cook County, IL





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City of Chicago

City of Park Ridge

City of Chicago

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NB6 NB5

NB2NB2

NB1

NB3

NB4FS-9

FS-8

FS-7

N8-3

N8-2N8-1

FS-3

N7-9

N7-8

N7-7

N7-6

N7-5

N7-4

N7-3

N7-2

N7-1

FS-2

N6-9

N6-8

N6-7N6-6N6-5

N6-4N6-3

N6-2

N6-1

N5-1

N4-9

N4-8N4-7

N4-6

N13-9

N13-8

N13-7

N13-6

N13-5

N13-4

N13-3

N13-2

N13-1

N12-1

N11-1

N10-9

N10-8

N10-7

N10-6

N10-5

N10-4N10-3

N10-2N10-1

N9-99

N9-98

N9-97

N9-96

N9-95

N9-94

N9-93

N9-92

N9-91N9-89

N9-88N9-87

N9-86N9-85N9-84

N9-83

N9-82

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N9-79 N9-78

N9-77

N9-76

N9-75

N9-74N9-73

N9-72N9-71

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N7-38N7-37

N7-36

N7-35 N7-26

N7-24N7-23

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N7-18

N7-17N7-16N7-15

N7-14

N7-13N7

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N7-10

N6-60

N6-59N6-58

N6-57

N6-56

N6-55

N6-54N6-53

N6-51

N6-50

N6-49

N6-48N6-47N6-46

N6-45

N6-44

N6-43

N6-42N6-41

N6-40

N6-39

N6-38

N6-37N6-36

N6-35

N6-34

N6-33

N6-32N6-31

N6-30

N6-29

N6-28

N6-27N6-26

N6-25

N6-24

N6-23

N6-22

N6-21N6-20

N6-19N6-18N6-17

N6-16N6-15

N6-14

N6-13

N6-12

N6-11

N6-10

N4-20N4-19

N4-18

N4-17

N4-16N4-15N4-14

N4-13

N4-12

N4-11N4-10

N13-12

N13-11

N13-10 N10-75

N10-74 N10-73 N10-72 N10-71 N10-70 N10-69 N10-68

N10-67

N10-66

N10-65N10-64N10-63

N10-62

N10-61N10-60

N10-59

N10-58N10-57

N10-56

N10-55N10-54N10-53N10-52

N10-51

N10-50N10-49N10-48N10-47

N10-46

N10-45

N10-42N10-41

N10-40 N10-39

N10-38 N10-37N10-36

N10-35

N10-34 N10-33N10-32

N10-31N10-30

N10-29

N10-28

N10-27

N10-26

N10-25N10-24

N10-23

N10-22

N10-21

N10-20

N10-19

N10-18

N10-17

N10-16

N10-15

N10-14

N10-13 N10-12

N10-11

N10-10

N9-105

N9-104N9-103

N9-102

N9-101

N9-100

N10-4.2N10-3.2 N10-2.2

N10-1.2

N7-20.2

N7-25

N10-44N10-43

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CNE 9

CNE 7

CNE 4

CNE 13

CNE 8

CNE 5

ORAN

GE

GREGORY

CNE 11

CNE 12


2-52-1 2-2 2-3 2-4


Cook County, IL





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§̈¦90N7-79.1, .2, .3, .4, & .5

N7-80.1, .2, .3, .4, & .5

City of Chicago

City of Chicago

NB4

NB3

NB4

FS-7

FS-6

N9-9FS-5N9-8

N9-7N9-6

N9-5N9-4N9-3N9-2

N9-1

N8-3

N8-2

FS-4

FS-3

N9-93

N9-92

N9-91

N9-90

N9-89

N9-88N9-87

N9-86N9-85N9-84

N9-83

N9-82

N9-81

N9-80

N9-79 N9-78

N9-77

N9-76

N9-75

N9-74N9-73

N9-72N9-71

N9-70

N9-69

N9-68

N9-67

N9-66

N9-65

N9-64

N9-63N9-62

N9-61

N9-60

N9-59

N9-58

N9-57

N9-56

N9-55N9-54N9-53N9-52

N9-51

N9-50

N9-49

N9-48 N9-47

N9-46

N9-45

N9-44

N9-43N9-42N9-41

N9-40

N9-39N9-38

N9-37 N9-36 N9-35 N9-34 N9-33 N9-32

N9-31 N9-30 N9-29 N9-28 N9-27 N9-26 N9-25 N9-24 N9-23 N9-22

N9-21N9-20N9-19N9-18

N9-17N9-16N9-15N9-14N9-13

N9-12N9-11N9-10

N7-77

N7-76

N7-75

N7-74N7-73

N7-72N7-71N7-70

N7-69

N7-68

N7-67

N7-66

N7-65

N7-64

N7-63N7-62N7-61N7-60N7-59N7-58

N7-57N7-56

N7-55

N7-54N7-53

N7-52

N7-51

N7-50

N7-49

N7-48

N7-47

N7-46N7-45N7-44

N7-43N7-42

N7-41N7-40

N7-39

N7-38N7-37

N7-36

N7-35

N7-34

N7-33N7-32

N7-31N7-30

N7-29N7-28

N7-27N7-26

N7-24N7-23

N7-20N7-19

N7-18

N7-17N7-16N7-15

N7-14

N7-13N7

-12

N7-20.2

N7-25

N7-78.1, .2, .3, .4, & .5

HIGGINS

KENNEDY

HARL

EM

BRYN MAWR

OLIVE

ARDMORE

ODEL

L

NEVA

OKET

O

GREGORY

TALCOTT

OLCOTT

SEMINOLE

OCTA

VIA

MONT

CLA

RE

OSCE

OLA

OCON

TO

CTA BU

S TU

RN

KENNEDY HARLEM AV

NOTT

INGHA

M

GREGORY

HIGGINS

KENNEDY HARLEM AVOK

ETO

SEMINOLE

BRYN MAWR

NEVA

OLCO

TT

KENNEDY

ODEL

L

OCTA

VIA

OSCE

OLA

CNE 9

CNE 7

CNE 8

ROSEDALE

WEST CIRCLE


2-52-1 2-2 2-3 2-4


Cook County, IL





0 200 400100Feet

Temporary Construction Impacts

What types of temporary construction impacts can be

expected?

• Temporary ramp closures

• Milling and resurfacing work (lane closures) at night

• Construction of the CD road and auxiliary lane during

the daytime

• Reconstruction of the East River Road bridge (detours

will be posted)

• Temporary closure of the Des Plaines River trail on the

East River Road bridge during reconstruction of the

bridge

• No impacts to the Cumberland CTA Station pedestrian

bridge are anticipated

A work zone Transportation Management Plan (TMP) has

been developed to maintain safety and mobility within

the construction zone.

Next Steps

Here is how to contact IDOT with project input:

- Fill out a comment form and drop in the comment box- Submit verbal comments to the court reporter- Send an email to: [email protected] Call (847) 705-4073

However you choose, your comments will become part of the public record.

Please submit comments by February 27, 2014.

- Mail to: Marie Glynn, P.E.IDOT District 1201 West Center CourtSchaumburg, IL 60196

typical section - illinois department of transportation section cta blue line eastbound i-90 2 lanes...

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