List of Transit Agencies by County
Contra Costa
- AC Transit
- BART
- County Connection
- Tri Delta Transit
- WestCAT
- Non-Contra Costa Agencies Offering Express Service:
- San Francisco Bay Ferry: Richmond to SF Ferry Building
- Golden Gate Transit: Line 40 – Marin County to Richmond Del Norte BART
- Wheels: Route 70x – Dublin to WC BART/PH BART
- SolTrans: Route 80/82 – Vallejo to El Cerrito Del Norte BART; Yellow Line – Vallejo to WC BART
- Capitol Corridor: Richmond or Martinez to cities between Auburn and San Jose
- Fairfield & Suisun Transit (FAST): Intercity express routes – Sacramento to PH BART, Vallejo to WC BART, Suisun City & Vallejo to El Cerrito del Norte BART
- Altamont Corridor Express (ACE): Commute-hour trains Monday through Friday departing from Pleasanton. Morning trains are westbound and evening trains are eastbound.
- Napa Vine Transit: Route 29 – Napa to El Cerrito Del Norte BART
East Bay (Alameda/West Contra Costa)
Alameda
Marin
Napa
Santa Clara County and the Silicon Valley Area
San Francisco
San Mateo
Solano
- Rio Vista Delta Breeze
- Vacaville City Coach
- SolTrans (Solano County Transit)
- Fairfield-Suisun Transit
- San Francisco Bay Ferry
Sonoma
Regional Rail Services
AC Transit
BART
County Connection
FAST
SolTrans
Tri Delta Transit
WestCAT
Wheels