Unidentified tunnel.
Interior of Pennsylvania Tunnels, New York.
Pennsylvania Tunnels, Interior Showing Signal Apparatus.
Northern section of land tunnel.
Ring #97 Northbound Express tunnel.
The Weehawken Ferry Story [Railroad tunnel.]
Queensboro Tunnel.
Pennsylvania Tunnels - Two of the Long Island Portals.
[Train tracks.]
Hudson River Tunnel Curve, New York.
McAdoo Tunnel under North River, New York
Hudson River Tunnel, Connecting New York and New Jersey
[Unidentified building.]
Hudson River Tunnel, Connecting New York and New Jersey.
Unidentified track tunnel.
[McAdoo Tunnel.]
Railroad tunnels and bridge, south of Central Avenue.
[Construction of the Pennsylvania Railroad tunnels under the Hudson.]