Using Real-Time Data to Automate Variable Speeds and Traveler - - PowerPoint PPT Presentation

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Using Real-Time Data to Automate Variable Speeds and Traveler - - PowerPoint PPT Presentation

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Using Real-Time Data to Automate Variable Speeds and Traveler Information Winner of 2015 ITS America Best New Innovative Product, Service, or Application Presented by Jim Peters, P .E., PTOE 2015 ITS California Meeting TRANSPORTATION

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TRANSPORTATION SOLUTIONS

2015 ITS California Meeting September 22, 2015

Presented by

Jim Peters, P .E., PTOE

Winner of 2015 ITS America Best New Innovative Product, Service, or Application

Using Real-Time Data to Automate Variable Speeds and Traveler Information

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TRANSPORTATION SOLUTIONS

Variable Speed Systems in Oregon

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TRANSPORTATION SOLUTIONS

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Highway 217 in Portland, Oregon

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Crash Problem on Highway 217

Over 200 crashes a year 70% of crashes are rear-end collisions

Icons made by Freepik from www.flaticon.com

50% of crashes

  • ccur during

peak periods

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TRANSPORTATION SOLUTIONS

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Active Traffic Management Systems Deployed

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TRANSPORTATION SOLUTIONS

The variable advisory speed, queue warning, & travel time systems automatically respond to real-time traffic and weather conditions

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Statewide Variable Speed System

Congestion Responsive Subsystem Weather Responsive Subsystem Operator Control Subsystem

Automated Variable Speed Subsystems

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TRANSPORTATION SOLUTIONS

Congestion Responsive System

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  • Each subzone’s speed

determined by the lower of:

  • Local 85th percentile

speed

  • Downstream speed +

step (5-10 mph)

  • Speeds measured by dual

loops and radar

  • Speeds < 30 mph display

“SLOW”

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TRANSPORTATION SOLUTIONS

Weather Responsive System

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TRANSPORTATION SOLUTIONS

Regulatory vs. Advisory Speeds

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Automated Freeway Queue Warning

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Automated Freeway Travel Times

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Branding Variable Speed Systems in Oregon

“ODOT RealTime” http://www.tripcheck.com/realtime/

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TRANSPORTATION SOLUTIONS

Highway 217 Results

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Icons made by Freepik from www.flaticon.com

25%

Reduction in crash- related incidents

8 to 18%

Reduction in travel times

50%

Reduction in travel time variability

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TRANSPORTATION SOLUTIONS

Thank you

Jim Peters DKS Associates jim.peters@dksassociates.com Carl Olson DKS Associates carl.olson@dksassociates.com Josh Crain DKS Associates jvc@dksassociates.com

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Dennis Mitchell Oregon Department of Transportation dennis.j.mitchell@odot.state.or.us Galen McGill Oregon Department of Transportation galen.e.mcgill@odot.state.or.us