i-35 smart work zone update · i-35 smart work zone update . i-35 reconstruction project . overview...

I-35 Reconstruction Project

Larry Colclasure, P.E. TxDOT John Habermann, P.E., TTI

2014 Short Course

I-35 SMART WORK ZONE UPDATE


Overview

TxDOT is committed to finishing the widening of Main Street Texas

(I-35) to six lanes from San Antonio to

Hillsboro.

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Current scope of I-35 Widening. (South of Salado to Hillsboro)


I-35 Demographics

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I-35 in WAC – Travelers by City of Origin

~66% through traffic Austin

17%

Belton 4%

Bruceville-Eddy 4%

Dallas 11%

Fort Worth 14%

Georgetown 2%

Hillsboro 3%

Round Rock 7%

Salado 7%

San Antonio 4%

San Marcos 3%

Temple 6%

Waco 18%

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What Do I-35 Travelers Want?

DELAYS CURRENT TRAVEL TIMES

INCIDENTS LANE CLOSURES

FORECASTED TRAVEL TIMES

DETOUR ROUTES CURRENT SPEEDS SNAPSHOTS

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Traveler Information Outreach

En-route – Travel times – Rest area signage (inside and out) – End-of-queue warning systems – Coordination with other TMCs

Web

– Real-time map (linked from front page of My35) • Closures, travel times, delays, trip planner • Show information by direction

– Other web site coordination Email

– Lane closures – Traffic alerts Social Media

– Twitter – Facebook

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Travel Time Signs

85%

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Approval rating of signs from those that have seen them


Comments on Travel Time Signs

“LOVE LOVE LOVE these signs. Wish they were permanent.” “I know the “normal” times and this info lets me know how slow it’s going to

be.” “They should state the reason for the delay and advise of alternate routes.”

“These are extremely helpful during my daily drive.”

“VERY HELPFUL. I can decide whether or not to use the feeder/access road.”

“Love it! Helps me on time crunch.”

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My35 Helpfulness

Not Helpful 8%

Occassionally 19%

Frequently 32%

Always 41%

92%

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I-35 Real-Time Map Topic Selection (2013-2014)

Planner 16%

Incidents 29%

Weather 10%

Signs 21%

Closures 24%

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Lane Closure E-Mail Subscriptions

92%

Rarely/Never Occasionally Frequently/Always

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Representative Comments on Lane Closure Emails

“Invaluable tool though most of my travel is leisure. Wonderful service provided by TxDOT.” “I always check these before I plan a trip.”

“We use the information to help with our bus routes and trips. I also use the

information for personal travel.” “I rely heavily on the information provided when planning my daily trips from

Waco to SMU in Dallas.” “I don’t understand why they close all these exits.”

“Same info every day. I really need weather related info and cannot get it via

the emails. Really disappointed about that.”

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Public Perception of Information Accuracy

Nearly Always

Most of the Time

More than Half the Time

Less than Half the Time

Almost Never

32%

9%

55%

3%

1%

87%

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Information is accurate…


Have You Changed Plans Based on the Information?

Never 38%

Once or Twice 15%

Occasionally 19%

Frequently 28%

62%

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Some of the Innovations…

Comprehensive lane closure database Delay and queue assessment for each closure

End of queue warning systems

Solar / cellular basis for corridor wide ITS equipment base

PCMS for travel times in construction zones

Lane closure email notifications

Incident alerting / updates

Advanced traveler information real-time map

Operational performance metrics

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Future Plans

Construction ITS serves as foundation for permanent ITS Migrate Lonestar operations to Ft. Worth TMC

Construction delay signs

Equip alternate routes

Connected vehicles applications test bed (USDOT)

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Project Ombudsman/Technical Advisor • Engage and assist those impacted • Keep internal / external

stakeholders informed • Facilitate flow of information • Assist Public Information Officer • Examine mobility across all I-35 construction projects • Mitigate traffic and access impacts • Listen • No Surprises/Manage Expectations

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I-35 Mobility Coordination

TxD

OT

Mobility Coordinator



• Maintain Mobility • Examine mobility across all I-35 construction projects • Mitigate traffic and access impacts • Serve as technical advisor • Listen

• Communicate – “Keep People Informed” • Facilitate flow of information (e.g., lane closures, frontage roads) • Assist PIO staff

• Monthly newsletter • Flyers • Community Meetings

• Meet with stakeholders

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I-35 Reconstruction Project 19

The Communication Challenge

• More than 30 million travelers per year pass through this corridor.

• ~2/3 travel through the corridor.

• 1,000 businesses and 13 communities are located on these 96 miles.




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Automated monitoring near a work zone

Warning of slow speeds

Warning of end of ‘stop and go’ traffic

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I-35 Smart Work Zones


Crash Data Analysis

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Crash Data Analysis

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Traffic Engineering Solutions

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0

500

1000

1500

2000

2500

3000

0 4 8M

ON

1

2 16 20 24 4 8TU

E

12 16 20 24 4 8

WED

1

2 16 20 24 4 8TH

U

12 16 20 24 4 8

FRI

12 16 20 24 4 8

SAT

1

2 16 20 24 4 8S

UN

1

2 16 20 24

Historical Hourly Volumes on IH-35 Southbound at West South (Tokio Rd.) (6-month average)

Examples of Support: Lane Closures

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Examples of Support: Working with Business

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Examples of Support: Business Access

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...to be continued

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i-35 smart work zone update · i-35 smart work zone update . i-35 reconstruction project . overview...

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