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