(C&O after 1962)
| Baltimore & Ohio RR | Opened in 1827, merged into the Chessie System in 1973. (C&O after 1962) |
 1874jun1 |
 1883mar |
 1884jun15 |
 1885jun |
 1893sep |
 1900_wwi |
 1917jul29-chd |
 1934_40 |
 1940_61 |
 1961oct29 |
 1963jan22 |
 1964apr26 |
 1964aug1 |
 1964oct24 |
 1965sep7 |
 |