Caltrain
Commuter Train System on the San Francisco Peninsula
Amtrak
Nationwide Passenger Train System
San Francisco Municipal Railway (Muni)
Light-Rail System and Cable Cars
Bay Area Rapid Transit (BART)
High-speed intercity trains
Santa Clara Valley Transportation Authority
Operates three light-rail routes in the Santa Clara/San Jose area
Sacramento Regional Transit District
Operates two light rail lines in the Sacramento area.
Altamont Commuter Express
Commuter railroad operating between the central valley and the silicon valley