The following is a list of tunnels in Pittsburgh:
Tunnels edit
See also edit
References edit
Wikimedia Commons has media related to Tunnels in Pittsburgh.
- ^ Davis, Christine; Kurtik, Frank. "Cork Run Tunnel" (PDF). Historic American Engineering Record. Retrieved 27 January 2014.
- ^ "Panhandle Tunnel - Bridges and Tunnels of Allegheny County and Pittsburgh, PA".
- ^ "Castle Shannon Inclines".