The Long Dock Tunnel is a freight rail tunnel in Jersey City, New Jersey that is part of the North Jersey Shared Assets Area and used by CSX Transportation on the National Docks Secondary. The single track tunnel runs through Bergen Hill, a section of the lower New Jersey Palisades in Hudson County.
Eastern portal above which are three engraved stones. The first lists the officers and engineers of the company. The seconds reads "Long Dock Company founded 1856". The third reads "Bergen Tunnel completed 1861".
Western portal above which is "Erie", the name of the railroad that owned the tunnel. To the south was the 1910 Erie Cut which traveled under the Bergen Arches.
The busiest tunnel point in the world in 1911, six Erie Railroad tracks below four Lackawanna tracks all emerging from tunnels under Bergen Hill
National Docks Secondary is a freight rail line within Conrail's North Jersey Shared Assets Area in Hudson County, New Jersey, used by CSX Transportation. 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 line is an important component in the planned expansion of facilities in the Port of New York and New Jersey. 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.
Bridge from embankment to trestle at Pacific and Grand
Viaduct crossing Lower Jersey City
Tunnel rebuilt to handle higher clearances