The Potomac
Northbound
Philadelphia, Baltimore & Washington No. 120
Washington DC - Philadelphia PA
(c.1940s - c.1950s)
Pennsylvania No. 120
Philadelphia PA - New York NY
(c.1940s - c.1950s)
Southbound
Pennsylvania No. 123
New York NY - Philadelphia PA
(c.1940s - c.1950s)
Philadelphia, Baltimore & Washington No. 123
Philadelphia PA - Washington DC
(c.1940s - c.1950s)