Official US Government Icon

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you're on a federal government site.

Secure Site Icon

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Find the Latest Information on the Coronavirus/COVID-19 at FTA's Coronavirus landing page.

United States Department of Transportation United States Department of Transportation

Transbay Corridor Core Capacity Project Profile


The Bay Area Rapid Transit District (BART) proposes to implement capacity improvements between Oakland and Daly City in South San Francisco. The project includes communication-based train control (CBTC), procurement of 252 heavy rail cars, five additional traction power substations, and expansion of the Hayward Maintenance Complex.

Last updated: Tuesday, February 11, 2020
DOT is committed to ensuring that information is available in appropriate alternative formats to meet the requirements of persons who have a disability. If you require an alternative version of files provided on this page, please contact FTAWebAccessibility@dot.gov.