National Register of Historic Places
Armstrong Tunnel
Pittsburgh, Allegheny County, Pennsylvania
The record
- Listed
- January 7, 1986
- Type
- Structure
- Address
- Between Forbes and Second Aves. at S. Tenth St., Pittsburgh
- County
- Allegheny
- State
- Pennsylvania
- Period of significance
- 1925 to 1949
- Contributing resources
- 1 structure
- Coordinates
- 40.43640, -79.99113
- Reference number
- 86000015