52nd Street is a closed train station that was located at the intersection of North 52nd Street & Merion Avenue (just north of Lancaster Avenue (US-30)) in the West Philadelphia section of Philadelphia, Pennsylvania, United States.[2] It was built by the Pennsylvania Railroad (PRR) at the junction of its Main Line and its Schuylkill Branch. Today, these lines are the SEPTA Regional Rail Paoli/Thorndale Line and Cynwyd Line, respectively.