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Line 5 Tunnel Under Straits of Mackinac

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

Source: Blue Water Healthy Living

Project
Proposed

Enbridge Energy is proposing to build a tunnel below the lakebed in the Straits of Mackinac to house the portion of Line 5 that currently runs along the bottom of the Straits. A study has raised concerns about the project's economics and environmental risks.

Status
Prospective
Sector
Water Supply and Storage, Tunnel
Location
Michigan, United States of America
Updated
22 Jul 2026
Source
Blue Water Healthy Living

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Project Information

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The project “Line 5 Tunnel Under Straits of Mackinac” is an infrastructure initiative in the Water Supply and Storage sector, located in Michigan, United States. Taiyo aggregates data on it from Blue Water Healthy Living.

Participants

Not available for this record.

Status

Original status

Proposed

Taiyo status

Prospective

Taiyo last update

2026-07-22

Contact

Not available for this record.

Description

Description

Enbridge Energy is proposing to build a tunnel below the lakebed in the Straits of Mackinac to house the portion of Line 5 that currently runs along the bottom of the Straits. A study has raised concerns about the project's economics and environmental risks.

Budget

Location

Country

United States of America (USA)

State

Michigan

Source

Source

Blue Water Healthy Living

URL

More Details

Record type

Project

Sector

Water Supply and Storage, Tunnel

Article published date

2025-01-29

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