Western Railway Museum - California
- Specializes in the history of electric railway transportation, particularly in the Western USA and California.
- http://www.wrm.org/

Western America Railroad Museum
- Virtual exhibit, project, collection, and museum information. Located in Barstow, California.
- http://www.barstowrailmuseum.org/

South Coast Railroad Museum.
- Walking tour, museum store, model railroad exhibit. Located in Goleta, California.
- http://www.goletadepot.org/

Santa Susana Depot and Museum
- The Santa Susana Depot is a restored Southern Pacific 1903 depot.
- http://www.santasusanadepot.org/

Santa Maria Valley Railway Historical Museum
- History of the railroad heritage of California, the Central Coast, and the Santa Maria Valley. Includes collection background, membership and contact information.
- http://www.smvrhm.org/

San Diego Railroad Museum
- Hands-on display and interpretation of historic railroad artifacts and technology.
- http://sdrm.org/

Orange Empire Railway Museum
- Railway museum with railway cars and locomotives from Southern California. Open daily year round, trains operate every weekend and for special events.
- http://www.oerm.org/

Museum of America's Freedom Trains
- Preserves the 1947-1949 Freedom Train and the 1975-1976 Bicentennial American Freedom Train, both of which toured the 48 contiguous United States.
- http://www.freedomtrain.org

Lomita Railroad Museum
- Dedicated to keeping steam-era railroading alive. News, history, events, hours, admission and directions. Located in Lomita, California.
- http://lomita-rr.org/

Golden Gate Railroad Museum
- A nonprofit organization dedicated to the preservation of steam and passenger railroad equipment, and the interpretation of local railroad history. Located in San Francisco, California.
- http://www.ggrm.org/

California State Railroad Museum
- Preserves the history and artifacts of railroading. Includes general information and rail history.
- http://www.csrmf.org/