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:
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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
- 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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