an intercity bus station for: Amtrak Thruway Greyhound Lines Fullington Trailways Mid Mon Valley Transit Authority Mountain Line Transit Authority Gallery See also Pittsburgh & Lake Erie Railroad Station Baltimore and Ohio Station (Pittsburgh) Grant Street Station Wabash Pittsburgh Terminal References External links Images of Union Station, Pittsburgh Burnham's papers at the Carnegie Mellon Library Port Authority of Allegheny County Station Info Pittsburgh Amtrak Station (USA Rail Guide – Train Web) The Pennsylvanian Magazine article from Railway Age (1901) with floor plan Beaux-Arts architecture in Pennsylvania Railway stations in Pittsburgh History of Pittsburgh Pittsburgh Pittsburgh Pittsburgh Railway stations in the United States opened in 1903 Transit centers in the United States Pittsburgh History & Landmarks Foundation Historic Landmarks Skyscraper office buildings in Pittsburgh Residential buildings in Pittsburgh Residential condominiums in the United States Railway stations on the National Register of Historic Places in Pennsylvania Clock towers in Pennsylvania Historic American Buildings Survey in Pennsylvania National Register of Historic Places in Pittsburgh 1903 establishments in Pennsylvania Former Pennsylvania Railroad stations Port Authority of Allegheny County stations Martin Luther King Jr. East Busway