High Quality Content by WIKIPEDIA articles! The PATCO Speedline is a rapid transit system operated by the Port Authority Transit Corporation, which runs between Philadelphia, Pennsylvania and Camden County, New Jersey. The Speedline runs underground in Philadelphia, crosses the Delaware River on the Benjamin Franklin Bridge, runs underground in Camden, then runs above ground in New Jersey until the east end of the line. The Port Authority Transit Corporation and the Speedline are owned and controlled by the Delaware River Port Authority. Speedline operation began on February 15, 1969, with the first trip from Lindenwold, New Jersey, to Center City, Philadelphia.