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Traffic Light Synchronization Program Project
San Josè’s TLSP grant project, completed in June 2013 enabled the city to utilize the latest signal timing, coordination, and communication technology available for optimizing and monitoring traffic. The project is anticipated to reduce vehicle operating and signal system operation and maintenance costs. It is also expected to provide annual fuel and delay saving benefits amounting to:
  • Reduced vehicle travel time on local streets by 15%,
  • Elimination of 840,000 hours of vehicle delay, providing an annual delay savings of $50 million to the local traveling public,
  • Reduced fuel consumption by 625,000 gallons, saving $1.5 million in fuel costs,
  • Reduced vehicle emissions harmful to air quality by 36 tons and reduced greenhouse gas emissions (CO2) by 21,000 tons;
  • Elimination of approximately 180 accidents annually, resulting in annual savings of $3.9M in accident related costs; and
  • Improved level of service at signalized intersections.

Funding
In November 2006, California voters approved Proposition 1B, providing $19.9 billion in bond funding for various transportation improvements. $250 million in Proposition 1B funds were allocated for local traffic light synchronization improvements, and in March, 2008 the City submitted an application to the California Transportation Commission (CTC) for a $20 million Traffic Light Synchronization Program (TLSP) project. On May 28, 2008 the CTC approved San Josè’s grant application for $15 million in TLSP funds, the third highest TLSP grant allocation in California, and on August 12, 2008 City Council accepted the TLSP grant.