CamTran (Johnstown mass transit agency operates Johnstown Inclined Plane) Colebrookdale Railroad (heritage railroad) Delaware Lackawanna RailRoad East Broad Top Railroad and Coal Company Fayette Central Railroad (tourist trains operating over Southwest Pennsylvania Railroad trackage) Kiski Junction Railroad (working railroad that also operates tourist trains) Lehigh Gorge Scenic Railway (heritage railroad) Lehigh Lackawanna RailRoad Middletown and Hummelstown Railroad (working railroad, but with emphasis on tourist trains) New Hope Railroad (working railroad that also operates tourist trains) New Jersey Transit Rail Operations (Atlantic City Line commuter train travels from Philadelphia) Oil Creek and Titusville Lines (working railroad, but with emphasis on tourist trains) Pioneer Lines Scenic Railway (heritage railroad) Port Authority of Allegheny County (Pittsburgh mass transit agency that operates The T light rail, the Monongahela Incline, and the Duquesne Incline) Port Authority Transit Corporation (Bi-state authority operates Philadelphia-Camden County subway line) Southeastern Pennsylvania Transportation Authority (Philadelphia mass transit agency that operates SEPTA Regional Rail commuter lines, the Philadelphia Subway, and a variety of suburban light rail lines) Strasburg Railroad (heritage railroad) Tioga Central Railroad (heritage railroad) Wanamaker, Kempton and Southern Railroad (heritage railroad) West Chester Railroad (heritage railroad) Museums and historic sites Allegheny Portage Railroad Howard Tunnel Electric City Trolley Museum Gallitzin Tunnel Horseshoe Curve Mars Station, Pennsylvania Pennsylvania Trolley Museum Railroad Museum of Pennsylvania Reading Company Technical & Historical Society Rockhill Trolley Museum Steamtown National Historic Site Western Pennsylvania Model Railroad Museum Defunct railroads Electric Adamsville and Mohnsville Electric Railway Allegheny, Bellevue and Perrysville Railway Allegheny Traction Company Allegheny Valley Street Railway Allen Street Railway Allentown and Reading Traction Company Altoona and Logan Valley Electric Railway Ardmore and Llanerch Street Railway Bangor and Portland Traction Company Beaver Valley Traction Company Bethlehem and Nazareth Passenger Railway Birdsboro Street Railway Blue Ridge Traction Company Bradford Street Railroad Butler Passenger Railway Cambria Incline Plane Company Carbon Street Railway Carbondale Railway Carlisle and Mechanicsburg Street Railway Carlisle and Mount Holly Railway Catherine and Bainbridge Streets Railway of Philadelphia Centennial Passenger Railway Central Pennsylvania Traction Company Central Traction Company Central Valley Railroad Centre and Clearfield Street Railway Chambersburg and Gettysburg Electric Railway Chambersburg, Greencastle and Waynesboro Street Railway Chester, Darby and Philadelphia Railway Chester and Delaware Street Railway Chester and Media Electric Railway Chester Street Railway Chester Traction Company Citizens' Clearfield and Cambria Streets Railway Citizens' East End Street Railway Citizens' Passenger Railway Citizens Passenger Railway Citizens Traction Company Citizens' Traction Company of Oil City,