The following railroads operate or once operated in the District of Columbia. Current railroads Freight CSX Transportation (CSXT) Passenger Amtrak (AMTK) Commuter MARC Train (MARC) Virginia Railway Express (VREX) Washington Metro 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 Notes Further reading Timeline of Washington, D.C. Railroad History References Federal and Local Legislation Relating to Canals and Steam Railroads in the District of Columbia, 1802-1903 Railroads Washington D.C.