Transit Signal Priority Program Timeline, cont

1
Transit Signal PriorityProgram Timeline, contd

• 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

2
Existing King County TSP System

• Detection
• RF Tag Reader
• Request
• TPRG in signal cabinet
• Conditional priority

3
TSP System Reengineering Concept

• Communication using Wi-Fi Technology
• Location using GPS
• Eliminate costly reader
• Improve system flexibility

802.11
802.11
4
LA Peer Visit Key Findings

• 802.11 WiFi appropriate for vehicle-to-roadside
  communications
• Latency issues are resolvable
• Communication Network OM access will be critical
• The network can be more than just a detection
  system

5
RapidRide ITS Architecture
RapidRide ITS Architecture, with separate
physical roadside interconnect
TSP Central System
IP Transport, VPN
Roadside IP Network
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
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 [phone] / fax (206)
263-7386 john.toone_at_metrokc.gov