Line 5 Pipeline Straits of Mackinac Segment
Sector: Tunnel • Location: Michigan, United States
Source: TS2
Enbridge's Line 5 pipeline segment under the Straits of Mackinac is planned to be replaced with a new pipeline housed in a 4-mile tunnel bored into the lakebed rock. The U.S. Army Corps of Engineers has added an alternative construction option using horizontal directional drilling (HDD) to create a narrower borehole without a tunnel. The project faces regulatory scrutiny, environmental group oppos
- Status
- Prospective
- Sector
- Tunnel
- Location
- Michigan, United States of America
- Updated
- 22 Jul 2026
- Source
- TS2
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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 | Enbridge's Line 5 pipeline segment under the Straits of Mackinac is planned to be replaced with a new pipeline housed in a 4-mile tunnel bored into the lakebed rock. The U.S. Army Corps of Engineers has added an alternative construction option using horizontal directional drilling (HDD) to create a narrower borehole without a tunnel. The project faces regulatory scrutiny, environmental group opposition, and a delayed permitting decision now expected in spring 2026. |
Original sector | Energy |
Location
Country | United States of America (USA) |
State | Michigan |
Source
Source | TS2 |
URL |
More Details
Record type | Project |
Sector | Tunnel |
Article published date | 2025-11-25 |
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