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February 5, 2013 > SR 237 express lanes win award

SR 237 express lanes win award

The Santa Clara Valley Transportation AuthorityÕs (VTA) State Route (SR) 237 Express Lanes Project has received the 2012 Transportation Project of the Year Award from the San Francisco Bay Area Institute of Transportation Engineers (ITE). In March 2012, VTA converted 11 miles of under-utilized carpool lanes in Milpitas and San Jose into an express lanes facility, providing a more effective use of unused roadway capacity and a new mobility option for commuters. The project has effectively managed congestion at the SR 237/I-880 interchange that carries over 300,000 vehicles a day.

Since the opening of the 237 Express Lanes Project, commuters save between five and 20 minutes compared to those driving in the general purpose lanes during the peak commute periods. Motorists in the general purpose lanes have saved up to seven minutes. The project received top honors for being a key benefit to the public by providing commuters an additional travel option, making better use of the existing roadway and improving operations in the corridor.

The project demonstrates the ability to use roadway pricing as an effective travel-demand management tool by controlling the demand through dynamic pricing which changes the toll rate as the level of congestion changes. Today, more than 10,000 solo drivers a week choose to use the express lanes for travel time reliability.

The 237 Express Lanes extend from south of Dixon Landing Road in Milpitas to Lawrence Expressway in Sunnyvale. The implementation cost was less than $12M with 65 percent of the project funded by federal grant programs. VTA is working on plans to extend the 237 Express Lanes facility to convert, at a minimum, the existing carpool lanes on SR 237 through Sunnyvale. The timeline to implement this second phase is end of 2015.

For more information about the Silicon Valley Express Lanes Program, visit

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