Between Forbes and Second Aves. at S. Tenth St., Pittsburgh, Pennsylvania. County/parish: Allegheny.
Added to the National Register of Historic Places January 07, 1986. NRIS 86000015.
1 contributing structure.
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.
(read more...)National Park Service documentation: https://catalog.archives.gov/id/71997808