The Bay Area Rapid Transit Silicon Valley Extension: Transforming the Greater Santa Clara Area
Variety of Services
Provided a host of services for nearly 20 years in support of the Santa Clara Valley Transportation Authority BART Silicon Valley Extension Program, including program management, public involvement, and stakeholder outreach
Transit-oriented Communities
Aligned with the key component of the BART Phase II Extension, which aims to transform the areas around BART stations in Santa Clara County into vibrant, transit-oriented developments that support transit accessibility while preserving the local environment
Environmental Coordination
Helped guide the National Environmental Policy Act (NEPA) and California Environmental Quality Act (CEQA) approval process for Phase I and Phase II of SCVTA’s BART Extension project in coordination with SCVTA staff and other project stakeholders
As the Bay Area’s population has grown, the Bay Area Rapid Transit (BART) system has needed to adapt with it. Since 2006, Kimley-Horn provided on-site and off-site planning, environmental, program management, public and stakeholder outreach, and engineering services for the Santa Clara Valley Transportation Authority (SCVTA) in support of the 16-mile BART Silicon Valley (BSV) Extension.
Multidisciplinary Planning for Enhanced BART Station Access
In collaboration with the Cities of San José and Santa Clara as well as SCVTA staff, Kimley-Horn spearheaded the planning and development of station access requirements for Phase I of the BSV Extension. This collaboration aimed to improve multimodal circulation for two new BART stations, support increased transit ridership, and promote transit-oriented development implementation.
For Phase I, we completed the following services:
- Conducted an analysis of access considerations
- Developed multimodal access recommendations for six station campuses
- Developed layouts and designs for the Milpitas and Berryessa station campuses, which opened as part of Phase I
- Identified facility needs at and around the planned BART stations to promote multimodal circulation
- Developed multimodal access concept site plans for the newly planned stations
Strengthening Communities through Transit
Kimley-Horn has supported SCVTA in planning the $12-billion Phase II extension of BART service. The 10-mile Phase I segment opened in 2020, and the six-mile Phase II segment is projected to be completed in 2037. Phase II will extend BART service from the terminus of Phase I at the Berryessa Transit Center in northeast San José through downtown and then terminate in Santa Clara.
Phase II of the BART Silicon Valley Extension
In Phase II, this six-mile, four-station extension will support increased transit ridership and provide riders with a fast and accessible transit option. The phase will also feature a five-mile tunnel with three underground stations—28th Street/Little Portugal, Downtown San José, and Diridon—along with a ground-level station at Santa Clara and supporting maintenance facilities. It will also support mobility for transit-dependent groups; connect to commuter rail, intercity, light rail, and regional bus services; enhance access to employment centers and jobs; and spur economic growth in Silicon Valley—all while fostering transit-oriented communities that maintain their local identities.
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