March 10, 2010 Smart City Award: ITS America. Traffic Signal Systems in Oregon Significant application of adaptive control (100+ signals) Priority for.

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Presentation transcript:

March 10, 2010 Smart City Award: ITS America

Traffic Signal Systems in Oregon Significant application of adaptive control (100+ signals) Priority for bus and trucks, preemption for LRT* Early stages with Bluetooth arterial Experimental signals for bikes* Automation of multimodal performance* Signal system (cooperative deployment) IntelliDrive concept implementation* * Portland, OR efforts

3 Adaptive Signals in the Portland Metropolitan Area

Light rail preemption Station-to-station running w/o stopping Mostly emergency vehicle-like preemption Detected via Vetag and inductive loops In CBD, goes with progression

Bus Signal Priority (BSP) Portland is providing bus signal priority at over 300 signalized intersections!

Basic premise: – If request occurs during green, extend a few seconds more to get bus through – If request arrives during red, shorten other phases to return earlier Transit Signal Priority

Bus Priority circa 1999 smart bus 1 2 3

Install speed and classification loops 600’ from stop bar. Truck Priority - N Macrum Extend 10 seconds at 40 mph

MAC Reader Technology Overview Media Access Control (MAC) = unique identifier by manufacturer per FCC to electronic devices, 48 bit (>28 trillion) characters Bluetooth = common name for wireless radio frequency communication protocol between electronic devices 00:1E:3D:AF:DA:C5 Auto Pedestrian Bike Bus/LRT TEXT FILE MS ACCESS FILE PERSONAL DEVICE FIELD RADIO & ANTENNA Non-Proprietary Netbook (IN CABINET) OUTPUT Open Source SOFTWARE Filtered MAC Address

Bicycle Scramble Signal

IntelliDrive Concept GreenDriver ap – imagreendriver.com

Regional Collaborative Signal System City of Portland lead purchase, deployment, and maintenance of Transuite system Results have been improved training, less staff needed, and reduced costs