It operates three networks, the North Jersey, South Jersey/Philadelphia, and Detroit Shared Assets Areas,[1] where it serves as a contract local carrier and switching company for its owners, CSX Transportation and the Norfolk Southern Railway.

Primary connections are to CSX's River Subdivision north to Albany, New York at North Bergen, NS's Southern Tier Line northwest to Buffalo, New York at Croxton Yard in Jersey City, NS's Lehigh Line west to Allentown, Pennsylvania and CSX's Trenton Subdivision southwest to Philadelphia at Manville, and the Conrail South Jersey/Philadelphia Shared Assets Area at Trenton.

Oak Island Yard in Newark is the principal yard for the region with smaller ones at Bayonne, Greenville (Jersey City), Linden, Manville, Metuchen, Newark, Old Bridge, and Port Reading in Woodbridge.

[5] The South Jersey/Philadelphia Shared Assets Area is operated out of Pavonia Yard in Camden, New Jersey, with smaller yards in Marcus Hook, Paulsboro, Millville, Morrisville, Frankford Junction, Burlington, Port Richmond and South Philadelphia.

Conrail Shared Assets utilizes the following types of locomotives, all supplied by CSX and Norfolk Southern.