A Port Authority of Allegheny County train, which is operating on the Blue Line-South Hills Village branch. Known as "The T", Pittsburgh's light railway was an upgrade of a 19th century streetcar grid. Inaugurated between April 1984 and July 1985, the system currently extends for 26.2 route miles and serves fifty-three station stops, including a terminal adjacent to the SOUTH HILLS VILLAGE mall.
Photo from Wikipedia / "RSA"