What is the latest status of the project “Line 5 Tunnel Under Straits of Mackinac”?

The status recorded for “Line 5 Tunnel Under Straits of Mackinac” is Awarded.

Who are the main government, EPC, and private stakeholders for “Line 5 Tunnel Under Straits of Mackinac”?

Taiyo maps the stakeholders of “Line 5 Tunnel Under Straits of Mackinac”: EPCs/contractors (Enbridge).

Where can I verify the source and access all details for “Line 5 Tunnel Under Straits of Mackinac”?

This Taiyo project page references Blue Water Healthy Living along with the original URL (https://bluewaterhealthyliving.com/news/local-news/court-of-appeals-sides-with-enbridge-on-line-5-tunnel-under-straits-of-mackinac/). Taiyo standardizes official data into a consistent, searchable project profile.

Line 5 Tunnel Under Straits of Mackinac

Awarded · Michigan · Last reported Feb 2025

Source: Blue Water Healthy Living

Project

Awarded

The project involves the construction of a tunnel under the Straits of Mackinac to house Enbridge's Line 5 pipeline, which has faced legal challenges from various parties including environmental groups and tribes. The Michigan Public Service Commission approved the permit for this project in December 2023, and the court recently sided with Enbridge in the ongoing legal disputes.

Status: Closed
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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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

Company

Status

Original status	Awarded
Taiyo status	Closed
Taiyo last update	2026-07-22

Contact

Not available for this record.

Description

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	2025-03-10

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Line 5 Tunnel Under Straits of Mackinac

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