Intelligent Transportation Systems

T3 Webinar:

Arterial Traffic Signal Timing: Addressing Technical and Inter-Jurisdictional Challenges)

September 11, 2007

Text version of Webinar presentation:

"Operation Green Light"

Description of image or images on a slide contained in brackets.

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Slide 1: Operation Green Light

Reggie Chandra, Ph.D., P.E., PTOE
Manager of Traffic Operations, MARC

Slide 2: What is Operation Green Light?

Operation Green Light is a project to improve the coordination of traffic signals on major routes throughout the Kansas City area.

Slide 3: Kansas City

[Map of Kansas City.]

Slide 4: Arterial map of Kansas City

[Arterial map of Kansas City.]

Slide 5: Operation Green Light: Mission

Reduce:

  • Air Pollution

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Slide 6: Operation Green Light: Mission

Reduce:

  • Air Pollution
  • Vehicle Stops

Slide 7: Operation Green Light: Mission

Reduce:

  • Air Pollution
  • Vehicle Stops
  • Delays

Slide 8: Operation Green Light: Mission

Reduce:

  • Air Pollution
  • Vehicle Stops
  • Delays
  • Driver Frustration

Slide 9: Operation Green Light: Mission

Reduce:

  • Air Pollution
  • Vehicle Stops
  • Delays
  • Driver Frustration
  • Fuel Consumption

Slide 10: Context of Peer–to–Peer Visit

  • Explore and research best practices in traffic signal timing optimization
  • Lessons learned by other cities
  • Deploy best traffic signal optimization techniques in Kansas City area

Slide 11: Operation Green Light: Vision

Seamless Transportation System without Jurisdictional Boundaries

Slide 12: Operation Green Light Strategy

[The Operation Green Light Strategy consists of Cooperative Relationships, Communication Networks, Upgrading Networks, and Regionally Optimized Signal Timing.]

Slide 13: Project Structure

[Flow chart of Operation Green Light's project structure, involving the Mid-America Regional Council (MARC), the MARC Board, Technical Committee, Steering Committee, Users' Group, Procurement Group, and Technical and Policy staff.]

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Slide 14: Mid-America Regional Council (MARC)

  • Technical Challenges:
    BRW & Lee Engineering
    Technical Feasibility Study
  • Challenges Related to Multi-jurisdictional Cooperation:
    Sheila Shockey
    Internal Consensus Process

Slide 15: Project Challenges

  • Operations:
    Technical Challenges, Project Management
  • Management:
    Inter-Agency Cooperation

Slide 16: Project Challenges: Technical

  • Variety of Field Controllers
  • Out-dated Technology
  • Lack of Interconnect between Controllers
  • Not Enough Resources

Slide 17: Project Challenges: Technical

  • Variety of Field Controllers >> Central System Software
  • Out-dated Technology >> Upgrade
  • Lack of Interconnect between Controllers >> Upgrade
  • Not Enough Resources >> Provide: Personnel Funds (14 Million in Phase 1 47 Million in latter Phases)

Slide 18: Project Challenges: Inter-Agency Cooperation

  • 20 Cities, 2 States
    • Technology
    • Philosophy
  • Mistrust
  • Fear
  • Turfism

Slide 19: Project Challenges: Inter-Agency Cooperation

  • 20 Cities, 2 States
    • Technology >> Training, Equipment Upgrades
    • Philosophy
  • Mistrust >> Training, Pilot Projects, Flexibility
  • Fear
  • Turfism >> Systems Engineering, Management Principles

Slide 20: Arterial map with locations of cell towers

[Arterial map with locations of cell towers.]

Slide 21: Communication Infrastructure

[Photos of cell tower and watertank]

Slide 22: Partnership for a Regional Communication Infrastructure

Member Cities
Member DOTS
Public Safety
Fire Stations

Slide 23: Communication Design

[Screenshot of draft communication design for Operation Green Light, showing communication tower locations and tower coverage areas.]

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Slide 24: Licensed Backbone

[Clip art displaying communication between two cellular towers.]

Slide 25: Unlicensed Communication to Signals

[Pictures of broadband wireless equipment.]

Slide 26: Pilot Signal Optimization Project

City of Olathe, KS
8 Signals
2 Miles
ADT 50,000 VPD

Slide 27: Speed profile: Before

[Speed profile before introduction of optimized signals. Chart shows spikes in speed.]

Slide 28: Speed Profile: After

[Speed profile after signal optimization. Chart shows more consistent speeds and throughput.]

Slide 29: Benefits: Travel Time

[Chart showing the reductions in Travel Time - one of the benefits of utilizing signal optimization - percentage time reduction (in number of seconds) in morning and noon trips.]

Slide 30: Benefits: Travel Speed

[CChart showing the reductions in Travel Speed - one of the benefits of utilizing signal optimization.]

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Slide 31: Benefits: Fuel Consumption

[Chart showing reductions in Fuel Consumption - one of the benefits of utilizing signal optimization.]

Slide 32: Benefits: Vehicle Emissions

[Chart showing reductions in Vehicle Emissions - one of the benefits of utilizing signal optimization.]

Slide 33: Benefits: Vehicle Stops

[Chart showing reductions in Vehicle Stops - one of the benefits of utilizing signal optimization.]

Slide 34: Daily/Annual Savings

[Performance Measures table showing the daily and annual benefits of employing signal optimization.]

Slide 35: Operation Green Light

[Arterial map of Kansas City.]

Slide 36: Partnerships

  • KC SCOUT
  • Emergency Management System

Slide 37: Maintenance Issues

  • Cooperative Relationships
  • Traffic Signal Timing
  • Communication Network

Slide 38: Contact Information

Reggie Chandra
816-853-5353
reggie@proengg.com

http://www.pcb.its.dot.gov/res_t3_archive.asp

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