Allegheny Mountain Turnpike Tunnel Bypass
Sector: Tunnel • Location: Pennsylvania, United States
Source: PennLive
A Pennsylvania Turnpike Commission project to build a nearly five-mile bypass around the aging Allegheny Mountain Tunnel in Somerset County, Pennsylvania. The bypass aims to improve safety, traffic flow, and accommodate hazardous material-hauling trucks by realigning the highway through forests and around the tunnel. The project includes six lanes, a truck climbing lane, and an overpass for wildli
- Status
- Prospective
- Sector
- Tunnel, Road
- Location
- Pennsylvania, United States of America
- Updated
- 22 Jul 2026
- Source
- PennLive
ConstructChat
Ask ConstructChat about Allegheny Mountain Turnpike Tunnel Bypass
Pick a question to edit it, or write your own.
First answer free · no account
Project Information FAQ
Project Information
Participants
| Not available for this record. |
Status
Original status | planned |
Taiyo status | Prospective |
Taiyo last update | 2026-07-22 |
Contact
| Not available for this record. |
Description
Description | A Pennsylvania Turnpike Commission project to build a nearly five-mile bypass around the aging Allegheny Mountain Tunnel in Somerset County, Pennsylvania. The bypass aims to improve safety, traffic flow, and accommodate hazardous material-hauling trucks by realigning the highway through forests and around the tunnel. The project includes six lanes, a truck climbing lane, and an overpass for wildlife. |
Original sector | Transportation |
Budget |
Location
Country | United States of America (USA) |
State | Pennsylvania |
Source
Source | PennLive |
URL |
More Details
Record type | Project |
Sector | Tunnel, Road |
Article published date | 2026-05-07 |
Research
Free account
View all details
You are reading the public part. A free account opens the rest:
- Every detail on this project
- News and media coverage
- Technical research
Free account · no card · lands you back on this project
