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Transit Signal Priority Program Timeline, cont ’ d. 2002 – Final acceptance & Aurora Ave. evaluation 2002 – Software Updates contract 2003 – Smart Bus demonstration 2004 – Reengineering concept development and research 2006 – Peer Visit to LA
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Transit Signal PriorityProgram Timeline, cont’d • 2002 – Final acceptance & Aurora Ave. evaluation • 2002 – Software Updates contract • 2003 – Smart Bus demonstration • 2004 – Reengineering concept development and research • 2006 – Peer Visit to LA • 2007 – OBS contract signed, RapidRide (BRT) program begun • 2010 – First RapidRide corridor in service
Existing King County TSP System • Detection • RF Tag Reader • Request • TPRG in signal cabinet • Conditional priority
TSP System Reengineering Concept • Communication using Wi-Fi Technology • Location using GPS • Eliminate costly reader • Improve system flexibility 802.11 802.11
LA Peer Visit Key Findings • 802.11 WiFi appropriate for vehicle-to-roadside communications • Latency issues are resolvable • Communication Network O&M access will be critical • The network can be more than just a detection system
RapidRide ITS Architecture RapidRide ITS Architecture, with separate physical roadside interconnect IP Transport, VPN Roadside IP Network TSP Central System intersection KC WAN KC Enterprise Firewall KC Corridor Router Switch RapidRide ITS Services Wi-fi transceiver Wi-fi transceiver TPRG Wi-fi Antenna Signal Controller Wi-fi Access Pt/Bridge Passenger Info Sign
Contact Information John C. Toone, MPA Senior ITS Project Manager Transit Speed & Reliability ProgramMetro Transit DivisionDepartment of Transportation 201 South Jackson Street MS KSC-TR-0411 Seattle, WA 98104-3856 vox (206) 263-3739 / fax (206) 263-7386 john.toone@metrokc.gov