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Gateway Guide

Transportation Management Center

St. Louis District Mobility

September/October

2015

ZONING IN

TMS Work Zones

♦ September 2015: 260

♦ October 2015: 284

Work Zone breakdown:

♦ Major: – 0.2%

♦ Moderate: – 0.4%

♦ Minor: – 99.4%

Work zone crashes: 11

Freeway Mobility

September to October Comparison:

Nearly identical in AM with Declines in PM

Freeway Average 24 hour Volumes

Sept 2014 Sep 2015: -0.28%

Oct 2014 Oct 2015: -0.46%

Major Incidents

September 2015: 5 October 2015: 7

Average Incident Duration Sep Oct

Lane Clearance: 26:15 30:16

Incident Clearance: 26:40 31:09

(Min: sec)

Major Impact Work Zones

September 1 October 0

Moderate Impact Work Zones

September 2 October 1

Incidents over 2 plus hours like the

one pictured above significantly

impacted the regions mobility and

doubled in number from 12 in

September to 24 in October.

GuidePost

Freeway Mobility was very similar

to July /August with Heavy

congestion along Most Major

routes with some improvement On

WB I-64 in the PM

Choke points still exist in AM on

EB I-70 At I-270, NB I-270 from I-

55 to Clayton Road and WB I-64

Kingshighway to McCausland

Evening rush remains congested

along EB I-270 at Lindbergh and

I-170, WB I-70 at I-64 and I-64 in

Both directions downtown and

mid-Town with WB I-44 out of the

city slowed in October due to

construction

Signal issues impacted Arterial

Mobility in the September AM peak

on route 21but improved in

October; SB Route 141 in South

County improved in October

PM Peak showed slower travel in

October along SB -141and Both

NB/SB Lindbergh in North County

Mobility Snapshot

Work Zones

2

*Impact Levels described in Data Key

SL Mobility Rating: ♦ Sep 2015: 99% ♦ Oct 2015: 94% ♦ Goal: 91%

SL Visibility levels: ♦ Sep 2015: 99% ♦ Oct 2015: 96% ♦ Goal: 91%

Major Impact (15 Minutes or Above Additional Travel Time)

9/28 (Monday) PM Westbound I-270 from I-170 to 367 Right Lane Closed* Overnight pavement work All mitigation efforts were in use Contractor had mechanical issues and worked past the approved hours into AM rush RITIS data showed an additional 17 minutes of travel time experienced by motorists during the AM

rush.

Moderate Impact (10-14 Minutes Additional Travel Time)

9/28 (Monday) PM Westbound I-270 from I-170 to 367 Right Lane Closed* Overnight pavement work All mitigation efforts were in use Contractor had mechanical issues and worked past the approved hours into AM rush RITIS data showed an additional 17 minutes of travel time experienced by motorists during the AM

rush. *Counted as both 1 major and 2 moderate impact events for consistent measuring with statewide tracker reporting as additional travel times were experienced in the 10-14 minute threshold twice (up/down).

Work Zone Related Crashes with Mobility Impact None

TMC Observed Work Zones September - October 2015

September October

Level of Travel Time Impact

Number of Work Zones

Level of Travel Time Impact

Number of Work Zones

Major Impact 1 Major Impact 0 Moderate Impact 2 Moderate Impact 0

Minor Impact 194 Minor Impact 211 Total 197 Total 211

Work Zones

3

Incident Management

4

Interstate Month Number of

Incidents

Average Time to Clear

Incident from Lanes =

T4 - T1

Average Time

for Backup to

Clear = T6 - T4

Freeway Miles Incidents per Mile

I-44 Sep 125 28:54 00:32 33 3.79

I-44 Oct 119 37:06 01:31 33 3.61

I-55 Sep 81 22:11 01:04 23 3.52

I-55 Oct 94 33:47 01:08 23 4.09

I-64 Sep 140 24:10 02:53 40 3.50

I-64 Oct 187 57:00 02:59 40 4.68

I-70 Sep 185 26:00 01:21 38 4.87

I-70 Oct 210 37:00 01:40 38 5.53

I-170 Sep 65 25:53 01:17 11 5.91

I-170 Oct 63 31:52 00:46 11 5.73

I-270 Sep 202 22:04 00:34 36 5.61

I-270 Oct 197 26:23 01:45 36 5.47

MO-364 Sep 21 25:50 00:46 11 1.91

MO-364 Oct 22 08:32 00:00 11 2.00

MO-370 Sep 15 10:24 00:00 13 1.15

MO-370 Oct 9 1:12:07 00:00 13 0.69

Total Sep/Oct 1908 49:20 01:08 410 4.65

Lane Blocking Incidents by Freeway September and October 2015

Incident Management

5

Denotes Location of Major Impact Traffic Incidents

September/October 2015 Incidents Map

Major Impact Incidents

September 2015 vs. October 2015 (5) (7)

Fatal Incidents September 2015 vs. October 2015

(6) (10)

Tractor Trailer Incidents September 2015 vs. October 2015

(59) (61)

Total Number of Incidents: August: 997 September: 906 October: 1002

Eastbound I-70 past Church Street

Westbound I-70 past Route 141

Eastbound I-70 past Natural Bridge Road

Southbound I-270 past Ladue Road

Eastbound I-44 before Grand

Boulevard

Westbound I-64 To I-55 SB / I-44 WB

Eastbound I-44 past Hampton Avenue

Number of Incidents

1 2 3 4 5 6+ Incidents Crashes

Eastbound/Westbound I-44 past / before Allenton Six Flags

Road

Westbound I-270 at McDonnell Boulevard

East/Westbound I-64 at Market Street / Vandeventer

Avenue

Eastbound/Westbound I-44 before / past US 50

Eastbound I-64 past Route 94

Northbound I-55 before Russell

Boulevard

Incident Management

6

Incident Management

7

Incident Management

8

# Date & Time Day of Week Route Location Description

Duration

HH/MM

Impact

on

Mobility

1 9/2/2015 19:02 Wednesday I-55 NB AT WEBER RD Overturned vehicle // closed 3 of 4 lanes // 5 minute queue to Bayless Avenue during up righting of vehicle 2:05 Minor

2 9/7/2015 1:00 Monday I-64 EB BEFORE HAMPTON AVE Crash involving a police chase // Police closed 1 of 4 lanes // waited on city tow for over 2 hours 2:21 Minor

3 9/8/2015 0:52 Tuesday I-44 EB AT BOWLES AVE Bicyclist struck by a semi // Reconstruction // 2 of 3 lanes closed // no delay no queue 2:13 Minor

4 9/8/2015 15:06 Tuesday I-70 EB PAST NATURAL BRIDGE RD Single-vehicle crash damaged jersey wall // bridge crew checked structure // closed 4 of 4 lanes // 5.5 mile queue 2:26 Major

5 9/10/2015 21:23 Thursday EXPRESS LANES AT GRAND AVE Fatal pedestrian strike // hit and run // reconstruction // closed 2 of 2 express lanes 3:20 Minor

6 9/11/2015 16:52 Friday N 47 MO BEFORE US 50 Tractor Trailer roll over in work zone // diesel fuel spill// 2 of 2 lanes closed // alternate route alert sent 2:48 Minor

7 9/12/2015 8:31 Saturday I-270 NB ON RAMP FROM TESSON FERRY RD Tractor trailer carrying large piece of construction equipment overturned // ramp closed //road repairs made 5:10 Minor

8 9/13/2015 1:43 Sunday I-44 EB BEFORE GRAND BLVD Multi- vehicle crash with two fatalities //closed 5 of 5 lanes and Vandeventer Avenue // 1.5 mile queue 5:12 Major

9 9/19/2015 16:16 Saturday I-55 NB BEFORE I-64 Stalled tractor trailer with no MA available// A service truck responded // closed 1 of 2 lanes // no queue 2:07 Minor

10 9/21/2015 2:01 Monday I-44 EB PAST HAMPTON AVE Overturned tractor trailer carrying a load of refrigerators // diesel fuel spill of 150 gals // closed 5 of 5 lanes // 1.7 mile queue 6:17 Major

11 9/25/2015 21:39 Friday I-70 WB PAST CHURCH ST Multi-vehicle fatal crash // reconstruction // railroad bridge inspection // closed 2 of 2 lanes // traffic diverted to US 61 5:39 Major

12 9/29/2015 8:45 Tuesday I-270 SB PAST LADUE RD Multi-vehicle crash // overturned truck hauling car batteries // closed 5 of 6 lanes // 19 min queue // signals adjusted at M0-340 3:24 Major

Incidents With Lanes Blocked Over 2 Hours September 2015

# Date & Time Day of Week Route Location Description

Duration

HH/MM

Mobility

Impact

1 10/2/2015 11:33 Friday I-270 EB BEFORE LINDBERGH BLVD Police chase // closed 1 of 4 lanes and right shoulder// no queue 2:02 Minor

2 10/2/2015 16:04 Friday I-64 WB TO I-55 SB/I-44 WB Tractor Trailer rollover // 48,000 lbs. of coiled steel rolls // closed 3 of 3 lanes // traffic diverted EB 44 to Walnut u-turn to WB 44 //no queue 4:02 Major

3 10/4/2015 0:27 Sunday I-44 EB PAST I-64 Fatal crash presumed Wrong Way Driver // reconstruction and oil spill cleanup // 3 of 3 lanes closed 3:43 Minor

4 10/5/2015 13:32 Monday I-270 WB AT MCDONNELL BLVD Debris from EB vehicle crash hit car in WB lanes // 4 of 4 lanes closed // 3 mile queue 3:11 Major

4 10/5/2015 13:36 Monday I-270 EB AT MCDONNELL BLVD Fatal crash // Dump truck lost rear axle and struck the median wall // 4 of 4 lanes closed // 4 mile queue 4:18 Major

5 10/6/2015 12:43 Tuesday ROUTE 370 EB ON RAMP FROM ELM ST Tanker truck lost a load of lime // Heavy tow // vacuum tanker // WATER TANKER ON SCENE // 2 of 3 lanes closed 5:51 Minor

6 10/7/2015 16:53 Wednesday E OLIVE BLVD CST LINDBERGH BLVD CST Accident reconstruction possible fatality // 2 of 2 lanes closed // Scott w/arterial contacted for signal adjustments 5:19 Minor

7 10/8/2015 22:08 Thursday I-44 WB PAST ALLENTON SIX FLAGS RD Overturned Tractor Trailer, Construction Truck and Dump Truck // Semi on fire // 3 of 3 lanes closed //traffic diverted at Six Flags // no queue 3:17 Major

7 10/8/2015 22:14 Thursday I-44 EB BEFORE SIX FLAGS RD Police closed 3 of 3 lanes to clear debris // EB traffic diverted at Pacific// no queue 2:52 Major

8 10/10/2015 6:57 Saturday MO 141 SB PAST GOLFPORT RD Overturned dump truck with gravel on the road // removed by maintenance // 2 of 2 lanes closed for cleanup // no queue 3:05 Minor

9 10/17/2015 5:35 Saturday I-44 WB PAST ALLENTON SIX FLAGS RD Pedestrian struck 1 fatality // Accident reconstruction // 3 of 3 lanes closed // traffic diverted at Six Flags // no queue 3:07 Minor

10 10/17/2015 22:40 Saturday I-270 EB AT MCDONNELL BLVD Three- vehicle crash// Debris across lanes 1-4 // 4ft. Section of jersey wall knocked out // 4 of 4 lanes closed for cleanup 2:11 Minor

11 10/22/2015 17:03 Thursday I-170 NB BEFORE SCUDDER RD Multiple-vehicle crash with reconstruction //4 of 4 lanes closed // Queue back to MO 180 // Shoulder opened to relieve queue 2:43 Minor

11 10/22/2015 22:53 Thursday I-170 NB BEFORE SCUDDER RD MSHP reconstruction team on both sides of interstate separately // 4 of 4 lanes closed // Shoulder opened to relieve queue 2:10 Minor

12 10/23/2015 17:11 Friday I-44 WB PAST REST AREA Overturned SUV pulling trailer// 2 of 2 lanes closed // traffic queued 4.5 miles to mile marker 240 // shoulder opened to relieve queue 2:48 Minor

13 10/24/2015 1:48 Saturday I-70 EB BEFORE TUCKER BLVD Multi-vehicle fatal crash involving tractor trailer // reconstruction closed 2 of 2 lanes // EB I-70 traffic diverted off Salisbury 4:30 Minor

14 10/25/2015 4:55 Sunday I-64 EB PAST RESEARCH PARK DR Rollover crash in work zone// sand everywhere // 3 of 3 lanes closed for cleanup barrel replacement // traffic diverted off at Research Park 4:48 Minor

15 10/26/2015 21:39 Monday I-70 WB AT EB I-64/61 Crash reconstruction WB I-70 at EB I-64/61 // 1 of 3 lanes closed 3:57 Minor

16 10/27/2015 6:50 Tuesday N TELEGRAPH Road BARRACKSVIEW RD CRD Motorist struck signal box on Barracksview- ended on top of signal box // 2 of 2 lanes closed 2:41 Minor

17 10/27/2015 8:40 Tuesday I-64 WB AT MARKET ST Total Closure for emergency Power Line replacement // traffic diverted at Forest Park Parkway // IDOT messaged for WB closure 4:14 Major

17 10/27/2015 8:43 Tuesday I-64 EB BEFORE VANDEVENTER AVE Total Closure for emergency Power Line replacement // lines down over EB Vandeventer and I-64 // 5.5 mile queue 4:14 Major

18 10/27/2015 13:51 Tuesday I-44 EB PAST US 50 Tractor trailer crash // 80 ft. of median wall damaged // 2 of 2 lanes closed // traffic diverted at US 50 / lanes progressively opened 4:13 Major

18 10/27/2015 13:51 Tuesday I-44 WB BEFORE US 50 Tractor trailer crash // 80 ft. of median wall damaged // 2 of 2 lanes closed // traffic diverted at Outer 44 / lanes progressively opened 4:14 Major

19 10/27/2015 16:03 Tuesday I-64 EB PAST ROUTE 94 Crash involving oil spill // Closed 3 of 4 lanes // 5 1/2 mile traffic backup to Winghaven 2:28 Major

20 10/27/2015 16:18 Tuesday I-70 EB AT MISSOURI RIVER Two-vehicle crash// with oil spill closed 3 of 5 lanes closed 2:24 Minor

21 10/27/2015 22:51 Tuesday H RT CARRIE AVE CST Electrical Poles caught Fire // Signals are down for 2 miles. No power in the area // Fire was put out and Ameren restored power 2:52 Minor

22 10/28/2015 15:17 Wednesday I-55 NB BEFORE RUSSELL BLVD Police chase vehicle hit dump truck & overturned dump truck //diverted all traffic @3200 Broadway // State damage to guardrail 2:22 Major

23 10/31/2015 3:34 Saturday I-44 WB 50 US Jack knifed tractor trailer with fuel leak // estimated 150 gal spill into median // 2 of 2 lanes closed // Traffic diverted at US 50 3:31 Minor

24 10/31/2015 14:29 Saturday I-64 WB AT BOONES CROSSING Truck crashed into guardrail// mile marker sign damaged 2 X 38 foot sections and 4 posts // closed 3 of 3 lanes // 4.5 mile back up 2:12 Minor

Incidents With Lanes Blocked Over 2 Hours October 2015

Highlighted Incidents are detailed on the following pages

Incident Management

9

Major Impact Traffic Incidents and Mitigation

9/8/2015 (Tuesday) Time: 3:06 pm – 5:32 pm Location: St. Louis County – Eastbound I-70 past Natural Bridge Road Event: Single-Vehicle Crash with State Damage Estimated Initial Impact: Rush Hour: 4 of 4 travel lanes affected equals (=) 100% Incident Detail: A car crashed into the jersey wall and bridge structure closing all lanes of traffic. Action: Emergency Response provided traffic control and the bridge structure inspected by

maintenance for structural damage with none noted. Traffic queued for 5.5 miles to I-270. EOC and Motor Carriers were notified of the closure. Lanes were progressively opened for evening rush until event cleared.

Event Duration: 2 hours 26 minutes

Eastbound I-70 past Natural Bridge Road

Left Shoulder

Lane 1 Lane 2 Lane 3 Lane 4 Right Shoulder

Closed Hours/Minutes 0:35 0:35 0:46 2:16 2:16 2:16 9/13/2015 (Sunday) Time: 1:43 am – 6:56 am ***Fatal*** Location: St. Louis City – Eastbound I-44 before Grand Boulevard Event: Multi-Vehicle Crash with 2 Fatalities Estimated Initial Impact: Non-Rush Hour: 5 of 5 travel lanes affected equals (=) 100% Incident Detail: Multi-vehicle crash involving two tractor trailers, Box Truck, and two cars. Crash

closed both the interstate on EB I-44 at Grand Boulevard and Vandeventer Avenue. Action: Police tried closing the interstate at Vandeventer Avenue to divert traffic around the

incident. Initially, vehicles were driving around the roadblock at Vandeventer and stopping at the crash. Emergency Response was on a DUI checkpoint and could not arrive in time to assist with traffic control. Police were sending traffic back westbound in the eastbound lanes to relieve the queue of traffic at crash scene. Reconstruction took place by city police. The EOC, AE, Motor Carriers and MoDOT Incident Management Coordinator were all notified of closure. TMC Messaged for closure and to seek an alternate route. A queue of 1.5 miles was observed.


Eastbound I-44 before Grand Boulevard

Left Shoulder

Lane 1 Lane 2 Lane 3 Lane 4 Right Exit

Right Shoulder

Closed Hours/Minutes 5:03 5:03 5:05 5:05 5:05 5:11 5:11

Incident Management

10


9/21/2015 (Monday) Time: 2:00 am – 8:42 am Location: St. Louis City – Eastbound I-44 past Hampton Avenue Event: Overturned Tractor Trailer Estimated Initial Impact: Rush Hour: 5 of 5 travel lanes affected equals (=) 100% Incident Detail: A tractor trailer hauling 15,000 lbs. of refrigerators and freezers overturned and

crashed into a guardrail and spilled 150 gallons of diesel fuel. The vehicle was wrapped in the guardrail and under powerlines which complicated unloading and up righting the vehicle.

Action: Emergency Response provided traffic control and cut truck out of guardrail. MoDOT Incident Management Coordinator responded to help clear incident. Fire notified DNR of fuel spill and helped with containment and cleanup. The 15,000 lbs. of refrigerators and freezers were off-loaded. Responders worked aggressively to get the vehicle to the shoulder. TMC messaged for closure and notified Communications, EOC, AE, Motor Carriers that incident would last into am rush. Lanes were progressively opened for am rush until event cleared. Queue extended 1.7 miles to Jamieson Avenue.


Eastbound I-44 past Hampton Avenue

Left Shoulder

Lane 1 Lane 2 Lane 3 Lane 4 Lane 5 Right Shoulder


Incident Management

11

Major Impact Traffic Incidents and Mitigation 9/25/2015 (Friday) Time: 9:38 pm – 3:18 am ***Fatal*** Location: St. Charles County – Westbound I-70 before Church Street Event: Multi-Vehicle Crash with 2 Fatalities Estimated Initial Impact: Non-Rush Hour: 2 of 2 travel lanes affected equals (=) 100% Incident Detail: Multi-vehicle crash involving two tractor trailers and two cars. Crash resulted in

two fatalities and striking of the railroad overpass. Crash closed both the interstate on WB I-70 at Church Street and the Rail Road Overpass.

Action: Crash reconstruction took place by MSHP. Emergency Response assisted with traffic control. Rail traffic was diverted until railroad officials responded and performed safety inspection of rail overpass. Railway was deemed safe to use. The TMC messaged for closure and to seek an alternate route, notified MoDOT Incident Management Coordinator, EOC, AE, Motor Carriers and Communications. Police diverted traffic to US 61 to relieve the queue until event cleared.


Westbound I-70 before Church Street

Left Shoulder

Lane 1 Lane 2 Right Shoulder

Closed Hours/Minutes 5:40 5:40 5:40 5:40

9/29/2015 (Tuesday) Time: 8:44 am – 12:09 pm ***Hazmat*** Location: St. Louis County – Southbound I-270 past Ladue Road Event: Multi-Vehicle Crash with injuries Estimated Initial Impact: Non-Rush Hour: 5 of 6 travel lanes affected equals (=) 80% Incident Detail: Multi-vehicle crash involving an overturned tractor trailer hauling batteries Action: Fire cut into vehicle to access batteries. Emergency response neutralized batteries with

soda ash and DNR advised response crews they could wash down the acid once neutralized. Responsible party performed cleanup. Batteries off-loaded by hand. Traffic engineers adjusted signal timing to pm rush plan on MO 340 to prevent back up on ramp. TMC messaged for event as lanes progressively opened. Traffic queued for 4 miles / 19 minutes of additional travel time.

Event Duration: 3 hours 24 minutes Westbound I-70 before

Church Street

Lane 1 Lane 2 Lane 3 Lane 4 Right Exit 1

Right Exit 2

Right Shoulder


Incident Management

12


10/2/2015 (Friday) Time: 4:01 pm – 8:03 pm Location: St. Louis City –Westbound I-64 to I-55 SB / I-44 WB (Poplar Street Bridge) Event: Tractor Trailer Rollover Crash Estimated Initial Impact: Rush Hour: 3 of 3 travel lanes affected equals (=) 100% Incident Detail: A tractor trailer hauling 48,000 lbs. of steel coils overturned on the WB I-64 to I-

55 SB / I-44 WB ramp. Action: MoDOT/IDOT Emergency Response personnel provided traffic control and closed the

ramp to I-55 SB / I-44 WB ramp. Truck was unloaded and up righted. Traffic was diverted on EB I-44 to Walnut with a U-turn back to I-55 SB / I-44 WB. MoDOT Maintenance and AE were notified of closure and diversion. The TMC contacted IDOT to assist with messaging in Illinois for the closure. Additional travel through diversion was 7-10 minutes depending on how many tractor trailers were in the queue.


Westbound I-64 at I-55 SB / I-44 WB

Left Exit Lane 1 Right Exit

Closed Hours/Minutes 3:54 4:00 4:00

Incident Management

13


10/5/2015 (Monday) Time: 1:34 pm – 5:52 pm ***Fatal*** Location: St. Louis County – Eastbound I-270 at McDonnell Boulevard Event: Two-Vehicle Fatal Crash Estimated Initial Impact: Rush Hour: 4 of 4 travel lanes affected equals (=) 100% Incident Detail: A Dump truck traveling east at McDonnell Boulevard lost rear axle and struck

the median wall resulting in a fatality. Debris struck a WB passenger vehicle causing minor damage.

Action: Emergency Response personnel provided traffic control. Fire and EMS working with EB accident also responded in westbound lanes. Police conducted reconstruction while responders cleaned up asphalt and median wall debris concurrently. TMC messaged for closure and notified Communications, AE, Maintenance, Motor Carriers and EOC of closure. Lanes were progressively opened. A 4 mile queue occurred at onset in eastbound direction with a 3 mile queue westbound. Normal traffic flow returned eastbound 17 minutes and westbound 5 minutes after lanes cleared.


Eastbound I-270 at McDonnell Boulevard


Closed Hours/Minutes 4:18 4:18 0:51 0:13 0:13

Westbound I-270 at

McDonnell Boulevard



Incident Management

14


10/8/2015 (Thursday) Time: 10:07 pm – 1:25 am Location: St. Louis County – Westbound I-44 past Allenton Six Flags Road Event: Two-Vehicle Crash Estimated Initial Impact: Non-Rush Hour: 3 of 3 travel lanes affected equals (=) 100% Incident Detail: A Tandem tractor trailer changed lanes striking a dump truck pulling a backhoe.

The tractor trailer then swerved left struck the median wall. The dump truck swerved when the backhoe it was pulling fell off and overturned. Both vehicles came to rest blocking all lanes of traffic. The tractor trailer caught fire.

Action: Emergency response provided traffic control. Fire responded to scene for tractor trailer fire. Maintenance notified of damage to wall and diesel spill from backhoe. TMC messaged for the event and notified Communications, Motor Carriers and EOC. One eastbound lane was closed for median wall debris in left lane. Both westbound lanes were closed and traffic was diverted off at old Route 66 and then returning to I-44 at Pacific with no queue.


Westbound I-44 at Allenton Six Flags Road

Lane 1 Lane 2 Lane 3 Right Shoulder


Eastbound I-44 at Allenton Six Flags Road

Left Shoulder

Lane 1 Lane 2 Lane 3 Right Shoulder


Incident Management

15


10/27/2015 (Tuesday) Time: 8:39 am – 12:54 pm Location: St. Louis City – Eastbound / Westbound I-64 before Vandeventer / Market Street Event: Emergency Powerline Replacement Estimated Initial Impact: Non-Rush Hour Total Closure all lanes affected equals (=) 100% Incident Detail: Utility pole broke at Vandeventer/Market adjacent to I-64 Action: The interstate was closed to assess the damage. City Traffic Division was notified for

impacts to their arterial system and Area Traffic Engineer reported to City TOC to assist with coordination and implementation of needed timing changes to each agencies respective systems.

The I-64 off-ramp to 2100 Market had its timing upped 20 seconds (14%) and phase placed on max recall.

Forest Park Ave between Kingshighway and Grand and Kingshighway between Forest Park and Oakland had I-64 detour timing plan implemented to favor traffic on those arterials.

I-64/Vandeventer controller was offline and could not be accessed remotely. The interstate reopened for approximately an hour just before 10:30 to clear queued traffic and

allow Ameren crews to mobilize. The interstate was then closed again for approximately 90 minutes while repairs where completed. The detour timing plans continued to be ran throughout this duration. Upon the freeway reopening, all timing changes were returned to normal operations.

Result: The timing changes provided a larger green band along Forest Park Ave and Kingshighway for detouring traffic. Adjusting the signal at the Market ramp provided a greater opportunity for motorists to get off of the highway. Had the Vandeventer ramp signal been online, the same opportunity could have been provided for EB motorists


Eastbound I-64 before Vandeventer Avenue

Left Shoulder

Lane 1 Lane 2 Lane 3 Lane 4

Right Exit

Closed Hours/Minutes 2:59 2:59 2:59 2:59 2:59 3:00

Westbound I-64 at

Market street

Left Shoulder



Incident Management

16

Major Impact Traffic Incidents and Mitigation 10/27/2015 (Tuesday) Time: 1:50 pm – 6:05 pm Location: Franklin County – Eastbound / Westbound I-44 before / past US 50 Event: Overturned Tractor Trailer Estimated Initial Impact: Rush Hour: 2 of 2 travel lanes affected equals (=) 100% Incident Detail: A tractor trailer overturned and damaged 80 feet of median wall shutting down

I-44 in both directions. Action: Emergency Response and Maintenance responded for incident management, roadway

repairs and traffic control. WB Traffic was diverted at US 50 and EB along I-44 outer road until a lane was opened. Westbound lanes remained closed for maintenance and emergency response. AE, EOC and Motor Carriers were notified of closure. Lanes were progressively opened with EB lanes closed again to upright vehicle. TMC devices were down due to outage. Observed travel through area was an additional 30-45 minutes westbound on Route 100 to US 50.


Eastbound I-44 before US 50

Left Shoulder



Westbound I-44 before

US 50

Left Shoulder



Incident Management

17


10/27/2015 (Tuesday) Time: 4:02 pm – 6:30 pm Location: St. Charles County – Eastbound I-64 past Route 94 Event: Single Vehicle Crash Estimated Initial Impact: Rush Hour: 3 of 4 travel lanes affected equals (=) 75% Incident Detail A box truck crashed and resulted in an oil spill on rain slicked roads. Action: Emergency Response provided traffic control. St. Charles Sheriff and Ambulance

responded. Cottelville Fire responded to assist with traffic control and highway cleanup. Additional spill materials were required and had to be delivered to the scene by TMC supervisor. Roadway was treated before re-opening. The TMC messaged for motorists to seek an alternate route. Traffic queued for 5.5 miles to Winghaven Boulevard during the event.


Eastbound I-64 past Route 94

Left Shoulder



Incident Management

18


10/28/2015 (Wednesday) Time: 3:16 pm – 5:38 pm Location: St. Louis City – Northbound I-55 before Russell Boulevard Event: Two-vehicle Crash Estimated Initial Impact: Rush Hour: 4 of 4 travel lanes affected equals (=) 100% Incident Detail: Two-vehicle crash involving a car and a dump truck. The crash occurred

under the Sidney overpass. The accident was connected to a police chase. Four people were injured and taken to a hospital.

Action: Emergency Response provided traffic control and the TMC messaged for the closure. St. Louis Police, Fire, and EMS responded. Police shutdown the on-ramp from Gasconade to I-55 and Emergency response diverted traffic off at Arsenal and the 3200 block of Broadway.


Northbound I-55 before

Russell Boulevard

Left Shoulder


Right Shoulder


Incident Management

19

Minor Impact Traffic Incidents and Mitigation

9/3/15 (Thursday)

Location: EB I-44 just east of Bowles overpass Event: Dump truck hits FedEx truck, causing all lanes to be closed. Time: 5:48pm – 7:45pm Total Time: 1 hour 57 minutes Actions by Engineer: Signal at Bowles Ave @ S Service Hwy was set to free to move traffic

up-and-over at 6:11 pm when interstate was shut down at the ramp. After the trucks were removed from the interstate, the signal was set back to normal operation at 7:10 pm. Traffic at MO 141 @ MO 30 was backed up a distance in the SBLT direction. Signal at the EB MO 30 ramp was set to free at 6:45 pm, timing adjustments were made, and the traffic queue cleared after 30 minutes and set back to normal operation at 7:15 pm.

Result: The adjustment that was made helped traffic on the interstate move with backups occurring on Bowles Ave as expected. Estimated 2500+ vehicles moved out of the way with the mitigation efforts of the interstate onto the outer road and at MO 30.

Observations: Around 3:45 pm there was an accident located at the on ramp to I-44 from Bowles Ave. The congestion of that accident may have been a contributing factor to the described accident here just 600 feet behind the first accident. Traffic was very heavy at that time. At 5:48 pm, a possible secondary accident between a dump truck and FedEx truck occurred just east of the Bowles overpass causing all lanes to shut down. I-44 @ 141 was gridlocked due to accident. This was not unexpected, but no adjustments could be made. Any mitigation efforts at the MO 141 interchange would have had no impact as the interstate traffic gridlocked the available route for that traffic. MO 141 @ MO 30 was backed up from vehicles attempting to bypass the accident. After signal adjustments the traffic queues cleared and traffic operations were restored to normal by 7:45 pm. Queue from accident on I-44 extended 4.5 miles.

Incident Management

20

Minor Impact Traffic Incidents and Mitigation

Freeway Management

21

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Freeway Management

22

AM Peak Mobility Snapshot September 2015

High Mobility

Medium Mobility

Low Mobility

*All weekdays are included in speed index

A A

A A

B A

B A

C A

C A

D A

D A

E A

F A

E A

F A

Freeway Management

23

AM Peak Mobility Snapshot October 2015

High Mobility

Medium Mobility

Low Mobility

*All weekdays are included in speed index calculation

B A

B A

C A

C A

A A

A A

D A

D A

E A

F A

F A E A

Freeway Management

24

B A

12

3

6

9

W/O I-270

Freeway Management

25

C A

D A

Freeway Management

26

E A

F A

12

3

6

9

Woods Mill

12

3

6

9

S/O 3200 Broadway

Freeway Management

27


Freeway Management

28

PM Peak Snapshot September 2015

High Mobility

Medium Mobility

Low Mobility

A A

B


B A

A A

D A

E A

F A

C A

F A

C A

D A

E A

G A

G A

Freeway Management

29

PM Peak Snapshot October 2015

High Mobility

Medium Mobility

Low Mobility


A A

A A

B A

B A

C A

D A

E A

F A

F A C

A

D A

E A

G A

G A

Freeway Management

30

Freeway Management

31

D A

E A

F A

12

3

6

9

Lindbergh

Freeway Management

32

G A 12

3

6

9

E/O Shrewsbury

Freeway Management

33

560

580

600

620

640

660

680

Jan

uar

y

Feb

ruar

y

Mar

ch

Ap

ril

May

Jun

e

July

Au

gust

Sep

tem

be

r

Oct

ob

er

No

vem

be

r

De

cem

ber

Ave

rage

We

ekd

ay V

olu

me

(Th

ou

san

ds)

Month

Interstate Volume Trends by Month

2013 2014 2015

Freeway Management

34

Freeway Management

35

Freeway Management

36

Arterial Management

37


Arterial Management

38

Arterial Management

39

Arterial Management

40

Arterial Management

41

Arterial Management

42

Customer Satisfaction: The ratings are based on data collected from online customer surveys System Health: The critical alarms are generated by the Intelligent Transportation System

(For example: signal malfunctions managed by Gateway Greenlight Operators) Managed Incidents: These include all major incidents (Crashes, Construction Activity etc.…) managed by the Gateway Greenlight Operators Average Level of Service: Level of Service (LOS) is a qualitative measure of performance that ranges from LOS A to LOS F, with A representing the best and F the worst. The average LOS is calculated based on travel time data for signalized corridors. County-wide Crashes: Crash data is provided by the Missouri Department of Transportation. Due to crash verification, crash data lags by one year (For example the crash data presented is for the same quarter, one year prior.

Data Key

43

Level of Impact Additional Travel

Time Expected Mitigation Actions

Major (Red)

IAR Event

SEVERE DISTRESS PRESENT

Return of roadway to free flow traffic

is Priority #1

15 minutes or above

TMC and field personnel take all steps possible up to and including removal of lane closure to achieve

free flow threshold

Immediate Action Required

Supervisory mitigation assistance is required using the St. Louis District Work Zone

Resolution Ladder as a tool to restore free flow

traffic threshold

Moderate (Yellow)

IAR Event

CAUTIONARY STAGE:

Action required by Field/ TMC to

prevent escalation to a major event

10 – 14 minutes

TMC increases driver messaging. Field begins efforts to restore free

flow traffic

TMC and field shall reach a consensus on

mitigation success within 15 minutes or less.

If a consensus cannot be reached, mitigation

should be scaled upwards in accordance with the St. Louis District Work Zone

Resolution Ladder

Work Zones Whenever additional travel time is reported, this additional time shall be evaluated using this chart and adequate mitigation measures should begin within the parameters of this chart. TMC and field personnel are partners in the mitigation of traffic and notification of additional travel times should trigger the appropriate response from both parties. Chart is designed to be an additional travel time reference to establish parameters for gauging the travel impact through work zones and to provide guidance for taking mitigation actions. Travel times can be collected or reported via Blue Toad technology, field personnel, call reports, ITS, TMC cameras, etc. Major and Moderate impacts trigger an IAR (Immediate Action Required) event. IAR means work zone user and TMC partner together to take immediate actions to reduce or eliminate distress. During an IAR event mitigation procedures can range from increased driver notification up to and including removal of work zone. Additional mitigation procedures may require involvement of administration through use of the work zone resolution ladder. IAR event can be upgraded or downgraded as conditions change.

Data Key

44

Incident Levels

Major Impact Traffic Incident – Road closure > 2 hours Major traffic incidents are typically traffic incidents involving hazardous materials, fatal traffic crashes involving numerous vehicles, and other natural or man-made disasters. These traffic incidents typically involve closing all or part of a roadway facility for a period exceeding 2 hours. Moderate Impact Traffic Incident – Blocked travel lanes/closure 30 min – 2 hours Moderate traffic impact incidents typically affect travel lanes for a time period of 30 minutes to 2 hours, and usually require traffic control on the scene to divert road users past the blockage. Full roadway closures might be needed for short periods during traffic incident clearance to allow traffic incident responders to accomplish their tasks. Minor Impact Traffic Incident – Lane closures < 30 minutes Minor traffic incidents are typically disabled vehicles and minor crashes that result in lane closures of less than 30 minutes. On-scene responders are typically law enforcement and towing companies, and occasionally highway agency service patrol vehicles.

NEW for 2015! The focus area for calculating the average 24 hour volumes was revisited and consolidated to the more urban interstates of the St. Louis District. For example, data is generated from detectors on I-44 east of MO 141 (previously included all available in the District). All baseline data for 2014 was recalculated with the revised detectors on routes as shown above.

Worst Time to Travel Clocks - The clocks found on the speed charts depict the progression of travel

speeds during the commute peak period at the worst congestion location along the route.

- For example, the clock on the left depicts conditions worsening at a particular location beginning at 6:30 a.m. with the slowest speeds between 7 a.m. and 8:15 a.m. Conditions improved at 8:45 a.m.

Data Key

45

Definitions

ACTRA – Traffic signal management software program

Alert – Email message sent regarding an incident or event on the roadway

Arterial – Missouri State Highway Numbered Routes, not fully access controlled

Arterial Device – ITS equipment located along MoDOT arterials

DMS - Dynamic Message Signs along highway displaying incident and travel time information

Defined Sensor – A single sensor with an individual ID focused on a particular roadway; multiple defined sensors may be located at one physical sensor location

Driver messaging – Messages placed on DMS boards to alert drivers of incidents ahead of their direction of travel

EOC – Emergency Operations Center operated by MoDOT in Jefferson City

ER – MoDOT’s Emergency Response units that provide emergency assistance during nights and weekends typically not covered by Motorist Assist units

Freeway Device – ITS device located along a MoDOT freeway, such as interstates and other fully access controlled highways

Gatewayguide.com – Gateway Guide’s website for local St. Louis area traffic information

GuidePost – Area of report highlighting important mobility topics for the month

IDOT - Illinois Department of Transportation

KC Scout – Gateway Guide’s counterpart for the greater Kansas City Metropolitan area, a collaboration involving both MoDOT and the Kansas DOT

Mobility – Ease of movement over roadway, through system, and or work zone

MRB – Mississippi River Bridge under construction north of downtown St. Louis

Observed Work zone – Work zone tracked by traffic cameras at the TMC

Peak Average – Daily speed sensor readings over an entire weekday average commute period averaged for an entire month

PSB - Poplar Street Bridge

Regional Mobility Overview – Map depicting congestion areas based on speed index ratings derived from speed sensor readings

Speed Index – a ratio of the speed at which vehicles travel during a period to the speed at free-flow conditions

Data Key

46

Stats to Watch – Area of report highlighting interesting trends for the report month, or data to be closely followed

STLtraffic – Email group consisting of Gateway Guide personnel and Gateway Guide’s media partners, messages sent to the group are also posted on Twitter

TMC – Traffic Management Center (also referred to as Gateway Guide)

TMC Alert – Email alert sent to an internal group of Gateway Guide personnel

TMS – Traveler Map System is MoDOT’s internal software for entering work zones and road conditions to populate the Traveler Information Map at www.traveler.modot.org/map

Travel Time Index - A ratio of the actual time to travel a corridor compared to travel time at posted speed limit without stops used

Visibility- Concerning placement of traffic signs, signals, devices, barricades and warning lights for safety within work zone or construction area to help motorist and workers move within a work zone safely; Clearly visible and legible, distinguishable to approaching traffic during day and night, aligned with road user’s line of vision, and positioned as to not obstruct other applicable traffic control devices. Must meet MUTCD standards for condition and must be covered, turned or properly stowed when not in use.

Zoning In – section of report highlighting important construction topics for the report month

Data Key

47

5TH ST SOUTH (ST. CHARLES)

5TH ST NORTH (ST. CHARLES)

BLANCHETTE BRIDGE

EARTH CITY EXPRESSWAY SOUTH

EARTH CITY EXPRESSWAY NORTH

I-270

MCKELVEY RD OVERPASS (BRIDGETON)

RTE 180/ST. CHARLES ROCK RD (BRIDGETON)

US 67 SOUTH (BRIDGETON)

US 67 NORTH (BRIDGETON)

CYPRESS RD (BRIDGETON)

AIRFLIGHT (ST. ANN)

MCDONNELL OVERPASS (BERKELEY)

LAMBERT AIRPORT (BERKELEY)

I-170 NORTH (BERKELEY)

I-170 SOUTH (BERKELEY)

NORTH HANLEY (BERKELEY)

RTE N/FLORISSANT RD (COOL VALLEY)

BERMUDA DR (NORMANDY)

RTE U/LUCAS AND HUNT RD

JENNINGS STATION RD (PINE LAWN)

GOODFELLOW (ST. LOUIS)

RIVERVIEW/BIRCHER (ST. LOUIS)

UNION (ST. LOUIS)

KINGSHIGHWAY (ST. LOUIS)

SHREVE (ST. LOUIS)

WEST FLORISSANT AVE (ST LOUIS)

NORTH BROADWAY (ST. LOUIS)

ADELAIDE (ST LOUIS)

GRAND (ST. LOUIS)

SALISBURY (ST LOUIS)

BRANCH (ST LOUIS)

MADISON (ST LOUIS)

PINE ST OVERPASS (ST LOUIS)

CHESTNUT ST OVERPASS (ST LOUIS)

MARKET ST OVERPASS (ST. LOUIS)

WALNUT ST OVERPASS (ST LOUIS)

229A

229B

230

231A

231B

232

233

234

235A

235B

235C

236

237

238A

238B

238C

239

240A

240B

241B

242C

243A

243B

244A

244B

245A

245B

246A

246B

247

248A

248B

249A

250

250

250

250

229A

229B

230

231A

231B

232

233

234

235A

235B

235C

236

237

238A

238B

238C

239

240A

240B

241B

242C

243A

243B

244A

244B

245A

245B

246A

246B

247

248A

248B

249A

250

250

250

250



BLANCHETTE BRIDGE

EARTH CITY EXPRESSWAY SOUTH

EARTH CITY EXPRESSWAY NORTH

I-270

MCKELVEY RD OVERPASS (BRIDGETON)

RTE 180/ST. CHARLES ROCK RD (BRIDGETON)

US 67 SOUTH (BRIDGETON)

US 67 NORTH (BRIDGETON)

CYPRESS RD (BRIDGETON)

AIRFLIGHT (ST. ANN)

MCDONNELL OVERPASS (BERKELEY)

LAMBERT AIRPORT (BERKELEY)

I-170 NORTH (BERKELEY)

I-170 SOUTH (BERKELEY)

NORTH HANLEY (BERKELEY)

RTE N/FLORISSANT RD (COOL VALLEY)

BERMUDA DR (NORMANDY)

RTE U/LUCAS AND HUNT RD

JENNINGS STATION RD (PINE LAWN)

GOODFELLOW (ST. LOUIS)

RIVERVIEW/BIRCHER (ST. LOUIS)

UNION (ST. LOUIS)

KINGSHIGHWAY (ST. LOUIS)

SHREVE (ST. LOUIS)

WEST FLORISSANT AVE (ST LOUIS)

NORTH BROADWAY (ST. LOUIS)

ADELAIDE (ST LOUIS)

GRAND (ST. LOUIS)

SALISBURY (ST LOUIS)

BRANCH (ST LOUIS)

MADISON (ST LOUIS)

PINE ST OVERPASS (ST LOUIS)

CHESTNUT ST OVERPASS (ST LOUIS)

MARKET ST OVERPASS (ST. LOUIS)

WALNUT ST OVERPASS (ST LOUIS)

ST. CHARLES COUNTY

ST. LOUIS COUNTY

ST. LOUIS CITY

ST. CHARLES COUNTY

ST. LOUIS COUNTY

ST. LOUIS CITY

I-70 DISTR

ICT 6 W

ESTBO

UN

D

I-70 DISTR

ICT 6 EASTB

OU

ND

I-70 Mile Markers

Data Key

48

I-70 St. Charles County Mile Markers

RTE A (WENTZVILLE)

LAKE ST. LOUIS BLVD (LAKE ST. LOUIS)

BRYAN RD (O'FALLON)

RTE K/RTE M (O'FALLON)

T.R. HUGHES BLVD (O'FALLON)

RTE 79 (ST. PETERS/O'FALLON)

RTE C/MID RIVERS MALL DR (ST. PETERS)

SPENCER RD OVERPASS (ST. PETERS)

RTE 370 (ST. PETERS)

CAVE SPRINGS (ST. CHARLES)

ZUMBEHL RD (ST. CHARLES)

HAWK'S NEST OVERPASS (ST. CHARLES)

RTE 94 (ST. CHARLES)



212

214

216

217

218

220

222

223

224

225

227

227

228

229A

229B

212

214

216

217

218

220

222

223

224

225

227

227

228

229A

229B

RTE A (WENTZVILLE)

LAKE ST. LOUIS BLVD (LAKE ST. LOUIS)

BRYAN RD (O'FALLON)

RTE K/RTE M (O'FALLON)

T.R. HUGHES BLVD (O'FALLON)

RTE 79 (ST. PETERS/O'FALLON)

RTE C/MID RIVERS MALL DR (ST. PETERS)

SPENCER RD OVERPASS (ST. PETERS)

RTE 370 (ST. PETERS)

CAVE SPRINGS (ST. CHARLES)

ZUMBEHL RD (ST. CHARLES)

HAWK'S NEST OVERPASS (ST. CHARLES)

RTE 94 (ST. CHARLES)



I-70 DISTR

ICT 6 W

ESTBO

UN

D

I-70 DISTR

ICT 6 EASTB

OU

ND

Data Key

49

I-270 Mile Markers

3

2

1B

1B

1A

2

3

5

5

7

8

10

12 A/B

13

14

16A

16B

17

20B

20A

20C

22D

23

25A

25B

26A

26B

27

28

29

30

30A

31A

31B

32

33

34

KOCH RD

SR 231 (TELEGRAPH RD)

US61-67

I-55 NORTH

I-55 SOUTH

SR 21 (TESSON FERRY RD.)

SR 30 (GRAVOIS RD.)

I-44 EAST

I-44 WEST

BIG BEND RD.

DOUGHERTY FERRY RD.

SR 100 (MANCHESTER RD.)

I-64 EAST/WEST/US 40-61 NORTH/SOUTH

SR AB (LADUE RD)

SR 340 (OLIVE BLVD)

SR D (PAGE AVE.) EAST

SR 364 WEST

DORSETT RD

I-70 WEST

I-70 EAST

SR 180 (ST. CHARLES ROCK RD)

SR 370 WEST

MCDONNELL BLVD

US 67 NORTH

US 67 SOUTH

I-170 SOUTH (EXIT LEFT)

HANLEY/GRAHAM

NEW FLORISSANT RD

ELIZABETH/WASHINGTON

WEST FLORISSANT RD

SR AC NEW HALLS FERRY RD

NEW HALLS FERRY RD.

SR 367 SOUTH

SR 367 NORTH

BELLEFONTAINE RD

LILAC AVE.

RIVERVIEW DR.

KOCH RD

SR 231 (TELEGRAPH RD)

US61-67

I-55 NORTH

I-55 SOUTH

SR 21 (TESSON FERRY RD.)

SR 30 (GRAVOIS RD.)

I-44 EAST/SR 366 (WATSON RD.)

I-44 WEST

DOUGHERTY FERRY RD.

SR 100 (MANCHESTER RD.)

I-64 EAST/WEST/US 40-61 NORTH/SOUTH

SR AB (LADUE RD)

SR 340 (OLIVE BLVD)

SR D (PAGE AVE.) EAST

SR 364 WEST

DORSETT RD

I-70 WEST/EAST


MISSOURI BOTTOM RD/370 WEST

MCDONNELL BLVD

US 67 SOUTH

US 67 NORTH

HANLEY/GRAHAM RD.

I-170 SOUTH

NEW FLORISSANT RD

WASHINGTON/ELIZABETH RD.

WEST FLORISSANT RD

SR AC HALLS FERRY RD

SR 367 SOUTH

SR 367 NORTH

BELLEFONTAINE RD

LILAC AVE.

RIVERVIEW DR.

3

2

1C

1B

1

2

3

5

5

8

10

12

13

14

16

16

17

20

20C

22

23

25A

25B

26

26

27

28

29

30

31A

31B

32

33

34

I-255 EASTBO

UN

DI-255 W

ESTBO

UN

D--- > I-270 D

ISTRIC

T 6 CLO

CK

WISE FR

OM

I-55 TO R

IVERVIEW

DR

. --- ><--- I-270 D

ISTRIC

T 6 CO

UN

TER C

LOC

KW

ISE FRO

M R

IVERVIEW

DR

. TO I-55 <---

Data Key

50

I-64 Mile Markers

I-70 WEST

I-70 EAST

PROSPECT RD

LAKE ST. LOUIS BLVD

MO N

MO DD/Winghaven

MO K

MO 94

RESEARCH PARK CRL

DANIEL BOONE BRIDGE

SPIRIT OF ST LOUIS BLVD

LONG RD

BOONE’S CROSSING

CHESTERFIELD PKWY

MO 340 (OLIVE/CLARKSON)

CHESTERFIELD PKWY

TIMBERLAKE MANOR PKWY

MO 141 (WOODS MILL RD)

MARYVILLE CENTRE DR

MASON RD

I-270 SOUTH

I-270 NORTH

MO JJ (BALLAS RD)

SPOEDE RD

US 61-67

CLAYTON RD

MCKNIGHT RD

I-170 NORTH

HANLEY RD/BRENTWOOD BLVD

BIG BEND BLVD

MCCAUSLAND AVE

CLAYTON RD/SKINKER BLVD

HAMPTON AVE

KINGSHIGHWAY

BOYLE

FOREST PARK AVE/GRAND BLVD

MARKET ST AT 3000 WEST

MARKET ST AT 21ST

STADIUM/9TH ST/ TUCKER BLVD

I-44 WB/I-55 SB/ I-70 WB

1A

1B

1C

2

4

6

9

10

11

13

14

16

17

19A

19B

20

21

22

23

24

25A

25B

26

27

28A

28B

30

31A

31B

33A

33C

34A

34B

36A

36B

38A

38B

39A

40A

40C

1

1C

2

4

6

9

12

13

14

17

19A

19B

21

22

23

25A

25B

26

27

28A

30

31B

31A

33B

33A

33C

34B

36A

36C

37A

37B

38A

38B

39B

39C

40B

I-70 WEST EXIT RIGHT/EAST EXIT LEFT

PROSPECT RD

LAKE ST. LOUIS BLVD

SR N

SR DD/WINGHAVEN

SR K/SR 94

MISSOURI RESEARCH PARK/TECHNOLOGY DR

DANIEL BOONE BRIDGE

CHESTERFIELD AIRPORT RD

BOONE’S CROSSING

CHESTERFIELD PKWY

SR 340 (OLIVE/CLARKSON

TIMBERLAKE MANOR PKWY

SR 141

MASON RD

I-270 SOUTH

I-270 NORTH

SR JJ (BALLAS RD)

SPOEDE RD

US 61-67

MCKNIGHT RD

BRENTWOOD/HANLEY RD

I-170 NORTH

BELLEVUE AVE

BIG BEND

MCCAUSLAND

HAMPTON AVE/OAKLAND AVE

KINGSHIGHWAY

VANDEVENTER AVE

MARKET ST/BERNARD ST

GRAND AVE

JEFFERSON AVE

CHESTNUT AT 20TH ST

14TH ST

11TH ST EXIT LEFT

BROADWAY/7TH ST (LAST MISSOURI EXIT)

I-64 DISTRICT 6 WESTBOUND

I-64 DISTRICT 6 EASTBOUND

ST. LOUIS CITY

ST. LOUIS CITY

Data Key

51

I-55 Mile Markers

RTE M

MAIN ST(IMPERIAL)

RICHARDSON RD (ARNOLD)

RTE 141 (ARNOLD)

MERAMEC BOTTOM RD

BUTLER HILL RD

I-255 EAST

I-270 NORTH

US67/LINDBERGH

REAVIS BARRACKS RD

UNION RD

BAYLESS

WEBER RD

GERMANIA (ST. LOUIS)

LOUGHBOROUGH AVE (ST. LOUIS)

BATES (ST. LOUIS)

BROADWAY (ST. LOUIS)

GASCONADE (ST. LOUIS)

ARSENAL (ST. LOUIS)

SIDNEY OVERPASS

GRAVOIS AVE OVERPASS

I-44 WEST (ST. LOUIS)

7TH ST/PARK AVE (ST. LOUIS)

185

186

190

191

193

195

196A

196B

197

199

200

201A

201B

202B

202C

203

204

205

206C

206

207

207

208

185

186

190

191

193

195

196A

196B

197

199

200

201A

201B

202B

202C

203

204

205

206C

206

207

207

208

RTE M

MAIN ST(IMPERIAL)

RICHARDSON RD (ARNOLD)

RTE 141 (ARNOLD)

MERAMEC BOTTOM RD

BUTLER HILL RD

I-255 EAST

I-270 NORTH

US67/LINDBERGH

REAVIS BARRACKS RD

UNION RD

BAYLESS

WEBER RD

GERMANIA (ST. LOUIS)

LOUGHBOROUGH AVE (ST. LOUIS)

BATES (ST. LOUIS)

BROADWAY (ST. LOUIS)

GASCONADE (ST. LOUIS)

ARSENAL (ST. LOUIS)

SIDNEY OVERPASS

GRAVOIS AVE OVERPASS

I-44 WEST (ST. LOUIS)

7TH ST/PARK AVE (ST. LOUIS)

I-55 DISTR

ICT 6 N

OR

THB

OU

ND

JEFFERSON COUNTY

ST. LOUIS COUNTY

ST. LOUIS CITY

I-55 DISTR

ICT 6 SO

UTH

BO

UN

D

JEFFERSON COUNTY

ST. LOUIS COUNTY

ST. LOUIS CITY

Data Key

52

I-44 Mile Markers

PACIFIC

ALLENTON/SIX FLAGS

RTE 109/RTE W

LEWIS RD

ANTIRE

RTE 141

BOWLES

SOCCER PARK

I-270 NORTH

I-270 SOUTH

US 67/LINDBERGH

BIG BEND

BERRY

ELM

SHREWSBURY

ARSENAL

SOUTHWEST

KINGSHIGHWAY

GRAND AVE

JEFFERSON AVE

12TH ST./GRAVOIS

257

261

264

266

269

272

274

275

276B

276A

277B

278

279

280

283

284B

285

287

288

289

290C

257

261

264

265

266

272

274

274

276B

276A

277A

277B

278

280

282

284A

286

287

288

289

290A

290B

PACIFIC

ALLENTON/SIX FLAGS

RTE 109/RTE W

WILLIAMS RD

LEWIS RD

RTE 141

BOWLES

MRAZ

I-270 NORTH

I-270 SOUTH

RTE 366/WATSON

US 67/LINDBERGH

BIG BEND

ELM

LACLEDE STATION

JAMIESON

HAMPTON

KINGSHIGHWAY

GRAND AVE

JEFFERSON AVE

I-55 SOUTH

18TH ST

ST. LOUIS CITY

ST. LOUIS COUNTY

FRANKLIN COUNTYFRANKLIN COUNTY

ST. LOUIS COUNTY

ST. LOUIS CITY

I-44 DISTR

ICT 6 W

ESTBO

UN

DI-44 D

ISTRIC

T 6 EASTBO

UN

D

Data Key

53

GALLERIA PARKWAY

FOREST PARK PARKWAY

LADUE RD

DELMAR

SR 340 (OLIVE BLVD)

SR D/SR 364 (PAGE AVE)


SR 115 (NATURAL BRIDGE RD)

I-70 EAST (EXIT RIGHT)

I-70 WEST (EXIT LEFT)

LAMBERT ST. LOUIS AIRPORT

SCUDDEN/N. HANLEY RD

AIRPORT

BOEING (EXIT LEFT)

N. HANLEY RD

I-270 WEST (EXIT RIGHT)

I-270 EAST (EXIT LEFT)

1C

1E

1F

2

3

4

5

6

7A

7B

7C

8

9A

9B

9C10A

10B

1A

1B

1D

1E

1F

2

3A

4

5

6

7A

7B

8

9A

I-64 WEST/US 40-61

I-64 EAST/US 40-61

BRENTWOOD BLVD

FOREST PARK PARKWAY

LADUE RD

DELMAR

EAST/3B WEST SR 340 (OLIVE BLVD)

SRD/SR 364 (PAGE AVE)


SR 115 (NATURAL BRIDGE RD)

I-70 EAST (EXIT LEFT)

I-70 WEST (EXIT RIGHT)

SCUDDER

AIRPORT RD

I-170 DISTRICT 6 NORTHBO

UND

I-170 DISTRICT 6 SOUTHBO

UND

I-170 Mile Markers

SR 364 Mile Markers

HARVESTER RD

HERITAGE CROSSING/JUNGS STATION RD

SR 94 EAST/MUEGGE RD

UPPER BOTTOM/ARENA

MARYLAND HEIGHTS EXPRESSWAY

BENNINGTON PL

11B

12

13

14

17

21

13

14

17

19

22A

22B

SR94 EAST/ST. CHARLES

ARENA PKWY/UPPER BOTTOM RD

MARYLAND HEIGHTS EXPRESSWAY

BENNINGTON PL

I-270 SOUTH

I-270 NORTH

SR 364 W

ESTBO

UN

DSR

364 EASTBO

UN

D

Data Key

54

I-70 WESTBOUND

I-70 EASTBOUND

SPENCER RD

TRUMAN/CAVE SPRINGS RD

ELM/NEW TOWN BLVD

N 3RD ST/SR 94

DISCOVERY BRIDGE ST. LOUIS CO/ ST. CHAS CO

EARTH CITY EXPRESSWAY

ST. LOUIS MILLS BLVD

1A

1B

1C

2

5

7

8

9

11

2

5

7

8

9

11

12

12

12

TRUMAN/CAVE SPRINGS RD

ELM/NEW TOWN BLVD

N 3RD ST/SR 94

DISCOVERY BRIDGE ST. CHAS CO/ ST. LOUIS CO

EARTH CITY EXPRESSWAY

ST. LOUIS MILLS BLVD

MISSOURI BOTTOM RD

I-270 WEST BOUND

I-270 EAST BOUND

SR 370 W

ESTBO

UN

DSR

370 EASTB

OU

ND

SR 370 Mile Markers

SR 21 Mile Markers

RT B

RT BB

STADIUM DR UNDERPASS

RTE A

SAND CREEK

HAYDEN RD

GLADE CHAPEL RD OVERPASS

OLD HWY 21 (GOLDMAN)

KLABLE RD OVERPASS

SCHENK RD OVERPASS

HEADS CREEK

RT MM

W. FOUR RIDGE RD OVERPASS

OLD HWY 21 (SHADY VALLEY)

OLD HWY 21 UNDERPASS

WEST ROCK CREEK RD OVERPASS

OLD HWY 21 OVERPASS

LONDELL RD

OLD HWY 21

SR 141

164.8

165.4

166.4

167.8

169

169.2

171.4

172.6

174.2

175.2

176.4

177.7

179

180.4

182

182.8

183.2

184.2

184.5

185.6

164.8

165.4

166.4

167.8

169

169.2

171.4

172.6

174.2

175.2

176.4

177.7

179

180.4

182

182.8

183.2

184.2

184.5

185.6

RT B

RT BB

STADIUM DR UNDERPASS

RTE A

SAND CREEK

HAYDEN RD

GLADE CHAPEL RD OVERPASS

OLD HWY 21 (GOLDMAN)

KLABLE RD OVERPASS

SCHENK RD OVERPASS

HEADS CREEK

RT MM

W. FOUR RIDGE RD OVERPASS

OLD HWY 21 (SHADY VALLEY)

OLD HWY 21 UNDERPASS

WEST ROCK CREEK RD OVERPASS

OLD HWY 21 OVERPASS

LONDELL RD

OLD HWY 21

SR 141

SR 21 NORTHBO

UNDSR 21 SO

UTHBOUND

SR 21 Mile Markers

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