List of California railroads

The following railroads operate in the U.S. state of California.

Common freight carriers
Freight carrier information is current.

Other

 * Mare Island Rail Service (MIRS) at Mare Island
 * Oakland Global Rail Enterprise (OGRE) at the Port of Oakland
 * West Oakland Pacific Railroad
 * Port of Oakland Railway (POAK)
 * Southern California Railroad (SCRR) in Plaster City
 * USG Corporation (USG) in Plaster City

Intercity

 * Amtrak (AMTK): California Zephyr, Coast Starlight, Southwest Chief, Sunset Limited, Texas Eagle
 * Amtrak California (CDTX): Capitol Corridor, Pacific Surfliner and San Joaquins
 * California High-Speed Rail (under construction)
 * Brightline West (under construction)

Commuter rail

 * Altamont Corridor Express (ACE)
 * Caltrain (JPBX)
 * Coaster (SDNX)
 * Metrolink (SCAX)
 * Arrow
 * Sonoma–Marin Area Rail Transit (SMART)
 * North Valley Rail (planned)

Local

 * Bay Area Rapid Transit (BART)
 * eBART
 * Coliseum–Oakland International Airport line (people mover)
 * Los Angeles Metro Rail (LACZ)
 * San Francisco Municipal Railway (MUNI)
 * Muni Metro
 * Market Street Railway (E Embarcadero and F Market & Wharves lines)
 * San Francisco cable car system
 * OC Streetcar (under construction)
 * Sacramento RT Light Rail (SCRT)
 * San Diego Trolley (SDTI)
 * VTA light rail (VTA)
 * Sprinter (SDNX)

Excursion

 * Calico and Odessa Railroad (C&OR)
 * Fillmore and Western Railway (FWRY)
 * Napa Valley Wine Train (NVRR)
 * Niles Canyon Railway (NCRY)
 * Placerville and Sacramento Valley Railroad
 * Port of Los Angeles Waterfront Red Car Line (service temporarily suspended)
 * Poway-Midland Railroad
 * Roaring Camp & Big Trees Narrow Gauge Railroad (RCBT)
 * Sacramento Southern Railroad (SSRR)
 * Santa Cruz, Big Trees and Pacific Railway (SCBG)
 * Sierra Railroad (SERA)
 * California Western Railroad (also known as the Skunk Train) (CWR)
 * Sacramento RiverTrain (SYPD)
 * Western Pacific Railroad Museum (WPRM)
 * Western Railway Museum
 * Yosemite Mountain Sugar Pine Railroad (YMSP)
 * Yreka Western Railroad (YW)

Amusement park

 * Disneyland Monorail
 * Disneyland Railroad
 * Ghost Town & Calico Railroad

Private carriers

 * Albion Lumber Company
 * American River Land and Lumber Company
 * Arcata and Mad River Railroad
 * Bayside Logging Railroad
 * Bear Harbor and Eel River Railroad
 * Birch and Smart Railroad
 * Brookings Lumber and Box Company
 * Butte and Plumas Railway
 * C.D. Danaher Pine Company
 * California Door Company
 * California Redwood Company
 * Camino, Cable and Northern Railroad
 * Carson and Tahoe Lumber and Fluming Company
 * Caspar, South Fork and Eastern Railroad
 * Charles W. Kitts
 * Clover Valley Lumber Company
 * Crane Creek Lumber Company
 * Crescent City and Smith River Railroad
 * Del Norte Southern Railroad
 * Descanso, Alpine and Pacific Railway
 * Diamond Match Company
 * Duncan Mill Land and Lumber Company
 * Eagle Mountain Railroad
 * El Dorado Lumber Company
 * Elk Creek Railroad
 * Feather River Pine Mills, Inc.
 * Fruit Growers Supply Company
 * Georgia-Pacific
 * Glen Blair Redwood Company
 * Glendale Railroad
 * Goodyear Redwood Lumber Company
 * Grande Ronde Pine Company
 * Gualala River Railroad
 * Gualala River Railway
 * Hammond and Little River Redwood Company
 * Hammond Lumber Company
 * Hammond Redwood Lumber Company
 * Hardy Creek and Eel River Railroad
 * Hobart Southern Railroad
 * Humboldt Bay and Trinidad Logging and Lumbering Company
 * Humboldt Logging Railway
 * Humboldt Lumber Mill Company
 * Humboldt Northern Railway
 * Hutchison Lumber Company
 * Imperial Gypsum Company
 * L.E. White Lumber Company (Greenwood Railroad)
 * Lake Valley Narrow Gauge Railroad
 * Little River Redwood Company
 * Long-Bell Lumber Company
 * Madera Sugar Pine Company
 * Mammoth Copper Mining Company
 * Marsh Lumber Company
 * McCloud Railway
 * Metropolitan Redwood Lumber Company
 * Michigan–California Lumber Company
 * Minors Railroad
 * Mono Lake Lumber Company
 * Mono Lake Railway and Lumber Company
 * Navarro Lumber Company
 * Northern Redwood Lumber Company
 * Outer Harbor Dock and Wharf Company
 * Pacific Coast Borax Company (Borate and Daggett Railroad)
 * Pacific Lumber Company
 * Pacific Portland Cement Company
 * Parr-Richmond Industrial Corporation
 * PeopleMover
 * Pittsburg Railroad
 * R.E. Danaher Company
 * Rainbow Mill and Lumber Company
 * Raymond Granite Company
 * Read Timber and Lumber Company
 * Red River Lumber Company
 * Red Rock Railroad
 * Rockport Redwood Company
 * Selby Smelting and Lead Company
 * Shaver Lake Lumber Company (Shaver Lake Railroad)
 * Sierra Nevada Wood and Lumber Company
 * Siskiyou Electric Light and Power Company
 * Sonoma Magnesite Tramway
 * South San Francisco Land and Improvement Company
 * Southwestern Portland Cement Company
 * Stearns Lumber Company
 * Stone Canyon and Pacific Railway
 * Sugar Pine Lumber Company
 * Tecopa Railroad
 * Ten Mile Railroad
 * Terry Lumber Company (Anderson and Bella Vista Railroad)
 * Towle Brothers Company
 * Tulare Valley Railroad
 * Union Lumber Company (Fort Bragg Railroad)
 * Union Sugar Company
 * Usal Redwood Company
 * Viewliner Train of Tomorrow
 * Watsonville Traction Company
 * Weed Lumber Company
 * West Side Flume and Lumber Company
 * West Side Lumber Company railway
 * Western Meat Company
 * Western Plant Services, Inc.
 * Western Redwood Lumber Company
 * Wood Sheldon Lumber Company
 * Yellow Aster Mining Company
 * Yosemite Lumber Company
 * Yosemite Sugar Pine Lumber Company

Archival collections

 * Guide to Railroads in California by L. M. Clement. Special Collections and Archives, The UC Irvine Libraries, Irvine, California.