Beechview, Pennsylvania

Wabash-Pittsburgh Terminal - Bigham Tunnel (Allegheny County, Pennsylvania)
Originally built for the Wabash-Pittsburgh Terminal Ry. expansion into Pittsburgh; demolished 1905 after several tunnel collapses. Replaced by a RR cut (Bigham Cut).
Lost Tunnel under Wabash-Pittsburgh Terminal Railway, later Pittsburgh & West Virginia Railway, now Wheeling & Lake Erie Ry.
Demolished in 1905 after tunnel collapse