National Docks Secondary

It provides access for the national rail network to maritime, industrial, and distribution facilities at Port Jersey, the Military Ocean Terminal at Bayonne (MOTBY), and Constable Hook as well as carfloat operations at Greenville Yard.

The single track right of way comprises rail beds, viaducts, bridges, and tunnels originally developed at the end of the 19th century by competing railroads.

It travels north-south on the east side of Bergen Hill and through a short tunnel crossing beneath the PATH rapid transit system.

The line is a remnant of the extensive freight rail infrastructure that once dominated much of the Hudson County, its right of way a combination of routes originally developed by different companies.

The name is taken from the National Docks Railway which maintained yards and a storage depot at Black Tom, an island in the Upper New York Bay that was greatly expanded by land reclamation and connected to the north of Caven Point by a long causeway.

[20] In 1891, the LVRR consolidated its other holdings in northeastern New Jersey to form the Lehigh Valley Terminal Railway,[17] and it began running a route on a bridge over Newark Bay in 1892.

[23] Under the direction of the LVRR, the National Docks Railway remained an important connecting line along the Hudson Waterfront, handling traffic for the Erie, New York Central, and Pennsylvania.

The New Jersey Junction Railroad later became part of Conrail's River Line until it was abandoned, and the right of way in Hoboken and Weehawken is now used by Hudson Bergen Light Rail.