Home Page

Project Process and Elements

Together, the San Mateo County Transit District (District) and Cross Bay Transit Partners (CBTP) are exploring new, environmentally appropriate alternatives for a high-quality, high-capacity public transit system. The objective of the proposed project is to enhance regional mobility, increase connectivity between modes of travel and bring transit closer to key origins and destinations on the Peninsula and East Bay.

Dumbarton Rail Corridor - High-capacity transportation between Redwood City and the East Bay
Dumbarton Rail Corridor - Connects the East Bay and The Peninsula
Dumbarton Rail Corridor - Integrated bicycle and pedestrian facilities

For the latest information on project developments, view our fact sheet

For additional information from the District, visit samtrans.com/dumbarton

Enhancing Mobility Across The Bay Area

dumbarton rail corridor - project schedule calendar icon


The project schedule highlights key project milestones and opportunities for community input.

See Timeline

dumbarton rail corridor - get involved volume icon


Your input is important and we welcome the community to engage with us. Contact us with questions and comments about the project or the environmental process.

dumbarton rail corridor - map icon


The project area spans the southern part of the San Francisco Bay and touches both San Mateo and Alameda Counties.

See Map