List of railroads in Washington, D.C.
The following railroads operate or once operated in the District of Columbia.
Current railroads
Freight
Passenger
Commuter
Defunct railroads
Electric
- Alexandria, Barcroft and Washington Transit Company
- Anacostia and Potomac River Railroad
- Baltimore and Ocean City Railway
- Baltimore and Washington Transit Company
- Brightwood Railway
- Capital Traction Company
- Capital Transit Company
- Capitol, North O Street and South Washington Railway
- City and Suburban Railway
- Columbia Railway
- Georgetown and Tennallytown Railway
- Great Falls and Old Dominion Railroad
- Metropolitan Railroad
- Rock Creek Railway
- Tennallytown and Rockville Railroad
- Washington and Georgetown Railroad
- Washington and Glen Echo Railroad
- Washington and Great Falls Electric Railway
- Washington and Old Dominion Railway
- Washington and Rockville Railway
- Washington, Baltimore and Annapolis Electric Railroad
- Washington, Baltimore and Annapolis Electric Railway
- Washington, Berwyn and Laurel Electric Railway
- Washington Interurban Railway
- Washington Railway and Electric Company
- Washington, Spa Springs and Gretta Railroad
- Washington Traction and Electric Company
- Washington–Virginia Railway
- Washington, Woodside and Forest Glen Railway and Power Company