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Line 5 Pipeline Replacement in Straits of Mackinac

One of 10,000+ projects Taiyo tracks in Michigan.

Source: Michigan Advance

Project
Planned

Enbridge operates the Line 5 pipeline, which is over 70 years old and runs through the Straits of Mackinac where Lake Michigan and Lake Huron meet. The company seeks to replace the two segments operating in the Straits with a new segment housed inside a maintenance tunnel beneath the lakebed. The project is part of ongoing legal and regulatory disputes regarding pipeline safety and environmental c

Status
Prospective
Sector
Tunnel
Location
Mackinaw City, Michigan, United States of America
Updated
22 Jul 2026
Source
Michigan Advance

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Project Information

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The project “Line 5 Pipeline Replacement in Straits of Mackinac” is an infrastructure initiative in the Tunnel sector, located in Mackinaw City, Michigan, United States. Taiyo aggregates data on it from Michigan Advance.

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 operates the Line 5 pipeline, which is over 70 years old and runs through the Straits of Mackinac where Lake Michigan and Lake Huron meet. The company seeks to replace the two segments operating in the Straits with a new segment housed inside a maintenance tunnel beneath the lakebed. The project is part of ongoing legal and regulatory disputes regarding pipeline safety and environmental concerns.

Original sector

Energy

Location

Country

United States of America (USA)

State

Michigan

City

Mackinaw City

Source

Source

Michigan Advance

URL

More Details

Record type

Project

Sector

Tunnel

Article published date

2026-05-11

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