Armstrong Tunnel

The Armstrong Tunnel in Pittsburgh, Pennsylvania, connects Second Avenue at the South Tenth Street Bridge, under the Bluff where Duquesne University is located, to Forbes Avenue between Boyd Street and Chatham Square.

Armstrong Tunnel
The Armstrong Tunnel at Forbes Avenue. Duquesne University's Gumberg Library is visible in the background
LocationBetween Forbes and Second Aves. at S. Tenth St., Pittsburgh, Pennsylvania.
Coordinates40°26′10″N 79°59′28″W
Built1926
ArchitectCovell, Vernon R.; Et al.
NRHP reference No.86000015
Significant dates
Added to NRHPJanuary 7, 1986
Designated PHLF2003
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