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.]
Pennsylvania Tunnels - Two of the Long Island Portals.
Queensboro Tunnel.
[Train tracks.]
Hudson River Tunnel Curve, New York.
McAdoo Tunnel under North River, New York
Hudson River Tunnel, Connecting New York and New Jersey
Hudson River Tunnel, Connecting New York and New Jersey.
[Unidentified building.]
[McAdoo Tunnel.]
Unidentified track tunnel.
Railroad tunnels and bridge, south of Central Avenue.
Unidentified subway tracks.