Deepwater Point Running Track

Penns Grove Secondary is a rail freight line in the Delaware Valley in the southernwestern part of New Jersey in the United States. Part of Conrail's South Jersey/Philadelphia Shared Assets it runs for approximately 20 miles (32 km) between its it southern terminus at Penns Grove and Woodbury at the north where it joins the Vineland Secondary about 8.5 miles (13.7 km) south of Pavonia Yard in Camden. At its southern end the Deepwater Point Running Track continues another 3.7 miles (6 km) through Carneys Point to Deepwater.

Located within Gloucester County and Salem County, the Penns Grove Secondary serves industries and distribution facilities in the corridor along the east bank of the Delaware River and with spur lines to Pureland Industrial Complex and maritime facilities, including the Port of Paulsboro, where rail interchange is provided by SMS Rail Lines.

At the north, the line begins in Woodbury at a junction with the Salem Secondary and the Vineland Secondary. It then passes through Thorofare, West Deptford, Paulsboro, Gibbstown, Repaupo, Bridgeport, Pedricktown, and Penns Grove. For much of its length it travels parallel to US Route 130 and New Jersey Route 44. It bridges Mantua Creek, Repaupo Creek, White Sluice Race, Starrs Ditch, Raccoon Creek, and Oldmans Creek. Some of the bridges have been automated.