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Line 5 Straits of Mackinac Pipeline

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

Source: Detroit Free Press

Project
Under Litigation

Line 5 is an underwater oil and gas pipeline operated by Enbridge, running through the Straits of Mackinac in Michigan. The pipeline moves 23 million gallons of oil and natural gas liquids per day and has been in operation since 1953. Enbridge proposes to build a 21-foot diameter, 3.6-mile tunnel underneath the Straits to house a new 30-inch diameter pipeline, replacing the existing twin pipelines

Status
Prospective
Sector
Tunnel, Oil and Gas, Natural Gas
Location
Lansing, Michigan, United States of America
Updated
22 Jul 2026
Source
Detroit Free Press

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The project “Line 5 Straits of Mackinac Pipeline” is an infrastructure initiative in the Tunnel sector, located in Lansing, Michigan, United States. Taiyo aggregates data on it from Detroit Free Press.

Participants

Company

Status

Original status

under litigation

Taiyo status

Prospective

Taiyo last update

2026-07-22

Contact

Not available for this record.

Description

Description

Line 5 is an underwater oil and gas pipeline operated by Enbridge, running through the Straits of Mackinac in Michigan. The pipeline moves 23 million gallons of oil and natural gas liquids per day and has been in operation since 1953. Enbridge proposes to build a 21-foot diameter, 3.6-mile tunnel underneath the Straits to house a new 30-inch diameter pipeline, replacing the existing twin pipelines on the Straits bottom.

Original sector

Energy

Location

Country

United States of America (USA)

State

Michigan

City

Lansing

Source

Source

Detroit Free Press

URL

More Details

Record type

Project

Sector

Tunnel, Oil and Gas, Natural Gas

Article published date

2025-09-23

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