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
Slide toward Today to fade the historical sheet and see the modern map underneath.
David Rumsey Map Collection, Stanford LibrariesDavid Rumsey Map Collection, Stanford LibrariesDavid Rumsey Map Collection, Stanford Libraries