List of Washington, D.C., railroads

Columns: Name | System | From | To | Successor
Alexandria and Fredericksburg Railway | RF & P | 1872 | 1890 | Baltimore and Potomac Railroad | Alexandria and Washington Railroad | RF & P | 1854 | 1872 | Alexandria and Fredericksburg Railway | Baltimore and Ohio Railroad | B & O | 1831 | 1987 | Chesapeake and Ohio Railway | Baltimore and Potomac Railroad | PRR | 1867 | 1902 | Philadelphia , Baltimore and Washington Railroad | Chesapeake Beach Railway | 1896 | 1935 | East Washington Railway | Chesapeake and Ohio Railway | C & O | 1891 | 1987 | CSX Transportation | Consolidated Rail Corporation | 1976 | 1999 | CSX Transportation / Norfolk Southern Railway | East Washington Railway | 1935 | 1976 | N/A | Georgetown Barge , Dock , Elevator and Railway Company | B & O | 1888 | 1972 | Baltimore and Ohio Railroad | Orange , Alexandria and Manassas Railroad | SOU | 1872 | 1872 | Virginia and North Carolina Railroad

Example questions:
When did the American railroad of southern Maryland and Washington , D.C. built in the 19th century open ? | When did the railroad also called the Washington , Brandywine & Point Lookout Railroad close ? | When did the Washington , DC railroad on a system that stretched about 113 miles open ? | When did the oldest railroad in the United States close ? | What was the successor of the railroad led by industrialist Collis P. Huntington ?

Answers:
1935 | 1886 | 1872 | 1987 | CSX Transportation