Allegheny Mountain Tunnel Bypass Realignment
Sector: Tunnel • Location: Pennsylvania, USA
Source: Mon Valley Independent
A Pennsylvania Turnpike Commission proposal to reroute the cross-state highway by blasting a 1,000-foot-wide cut through Allegheny Mountain to bypass the aging twin-tube Allegheny Tunnel. The realignment involves creating a 250-foot-deep gorge at the top of the mountain with new approaches on either side to address aging infrastructure, increased traffic volume, crashes, and hazardous material shi
- Status
- Prospective
- Sector
- Tunnel
- Location
- Pennsylvania, United States of America
- Updated
- 22 Jul 2026
- Source
- Mon Valley Independent
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Project Information
Participants
| Not available for this record. |
Status
Original status | preliminary design stage |
Taiyo status | Prospective |
Taiyo last update | 2026-07-22 |
Contact
| Not available for this record. |
Description
Description | A Pennsylvania Turnpike Commission proposal to reroute the cross-state highway by blasting a 1,000-foot-wide cut through Allegheny Mountain to bypass the aging twin-tube Allegheny Tunnel. The realignment involves creating a 250-foot-deep gorge at the top of the mountain with new approaches on either side to address aging infrastructure, increased traffic volume, crashes, and hazardous material shipments. |
Original sector | Transportation |
Budget |
Location
Country | United States of America (USA) |
State | Pennsylvania |
Source
Source | Mon Valley Independent |
URL |
More Details
Record type | Project |
Sector | Tunnel |
Article published date | 2026-05-11 |
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