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

The status recorded for “Enbridge Line 5 Tunnel beneath Mackinac Straits” is planned.

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

This Taiyo project page references Pipeline and Gas Journal along with the original URL (https://pgjonline.com/news/2026/july/michigan-reissues-permit-for-enbridges-line-5-tunnel-beneath-mackinac-straits). Taiyo standardizes official data into a consistent, searchable project profile.

Enbridge Line 5 Tunnel beneath Mackinac Straits

Sector: Oil and Gas • Location: Michigan, United States

Source: Pipeline and Gas Journal

Project

Planned

The project involves constructing a replacement tunnel beneath the Mackinac Straits to house the Line 5 pipelines, which have operated on the lakebed for over 70 years. The tunnel is part of the Great Lakes Tunnel Project and requires multiple state and federal permits before construction can begin.

Status: Prospective
Sector: Oil and Gas, Tunnel
Location: Michigan, United States of America
Updated: 22 Jul 2026
Source: Pipeline and Gas Journal

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Project Information

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The project “Enbridge Line 5 Tunnel beneath Mackinac Straits” is an infrastructure initiative in the Oil and Gas sector, located in Michigan, United States. Taiyo aggregates data on it from Pipeline and Gas Journal.

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	The project involves constructing a replacement tunnel beneath the Mackinac Straits to house the Line 5 pipelines, which have operated on the lakebed for over 70 years. The tunnel is part of the Great Lakes Tunnel Project and requires multiple state and federal permits before construction can begin.
Original sector	Energy

Location

Country	United States of America (USA)
State	Michigan

Source

Source	Pipeline and Gas Journal
URL

More Details

Record type	Project
Sector	Oil and Gas, Tunnel
Article published date	2026-07-19

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Enbridge Line 5 Tunnel beneath Mackinac Straits

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