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Armstrong Tunnel
| NRHP ID: 86000015 |
| NARA ID: 71997808 |
| Wikidata ID: Q4794005 |
| Wikpedia: Armstrong Tunnel |
| Location (in/near): Pittsburgh, Pennsylvania |
| Constructed: 1926 |
| Listed: 1986-01-07 |
| Role: Structure |
| Significance region: Local |
| Significance area(s): Engineering; Transportation |
| Criteria: A (event); C (architecture/engineering) |
| Architect(s): Vernon R. Covell |
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Data from United States Park Service and Wikidata