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Line 5 Tunnel under the Straits

Sector: Tunnel • Location: Alpena, Michigan, United States

Source: thealpenanews.com

Project
Planned

A project to build a 20-foot wide tunnel up to 370 feet below the lake surface under the Straits of Mackinac to relocate the Line 5 oil pipeline. The tunnel aims to protect the Great Lakes by moving the pipeline underground, but the project faces environmental concerns and regulatory approval delays.

Status
Prospective
Sector
Tunnel, Oil and Gas
Location
Alpena, Michigan, United States of America
Updated
22 Jul 2026
Source
thealpenanews.com

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Project Information

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The project “Line 5 Tunnel under the Straits” is an infrastructure initiative in the Tunnel sector, located in Alpena, Michigan, United States. Taiyo aggregates data on it from thealpenanews.com.

Participants

Company

Status

Original status

planned

Taiyo status

Prospective

Taiyo last update

2026-07-22

Contact

Not available for this record.

Description

Description

A project to build a 20-foot wide tunnel up to 370 feet below the lake surface under the Straits of Mackinac to relocate the Line 5 oil pipeline. The tunnel aims to protect the Great Lakes by moving the pipeline underground, but the project faces environmental concerns and regulatory approval delays.

Original sector

Energy

Location

Country

United States of America (USA)

State

Michigan

City

Alpena

Source

Source

thealpenanews.com

URL

More Details

Record type

Project

Sector

Tunnel, Oil and Gas

Article published date

2025-09-22

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