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