T3 Webinar Presentation

Lessons Learned: Improving Reliability with Transit Signal Priority Systems -
King County Metro Transit and Los Angeles County MTA (January 22, 2008)

Presenter:   John Toone
Presenter's Org:   King County Metro

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Slide 1: Transit Signal Priority Program Timeline, cont’d

Slide 2: Existing King County TSP System

[Diagram that shows existing King Country TSP system. Shows location of signal priority equipment installed around the intersection. Installed equipment consists of 1) antenna, 2) reader, 3) traffic signal controller, 4) lonworks to interface unit. Diagram shows bus with a transponder traveling through the intersection, activating the signal priority system. ]

Slide 3: TSP System Reengineering Concept

[Slide shows same intersection diagram as shown in slide 3 with a reengineered concept of the TSP system. In this system, the reader has been replaced by 802.11 wireless communications. ]

Slide 4: LA Peer Visit Key Findings

The network can be more than just a detection system

Slide 5: RapidRide ITS Architecture

[Complex diagram of RapidRide ITS Architecture with separate physical roadside interconnect. ]

Slide 6: Contact Information

John C. Toone, MPA
Senior ITS Project Manager
Transit Speed & Reliability Program

Metro Transit Division Department of Transportation
201 South Jackson Street MS KSC-TR-0411
Seattle, WA 98104-3856
vox (206) 263-3739 / fax (206) 263-7386

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