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