Energizing Michigan since 1953.
Line 5 in Michigan: Consider the alternative

About 90 tanker trucks per hour would need to travel Michigan roads to move the products that Line 5 transports each day.

Line 5 newsroom

Learn more about Enbridge's $500-million Great Lakes Tunnel Project and our Line 5 pipeline, which has been energizing Michigan since 1953.

Straits of Mackinac maritime operations center now fully operational

Enbridge’s suite of marine traffic safety systems further protects Michigan waters

Safety. First.

Safety is not just a core value at Enbridge—it’s the foundation of everything we do. Proactively advancing the safety of communities, and protecting the environment, will always be our top priority.

Voices of support: Line 5 Straits tunnel

Public support for our Line 5 tunnel plan has come from elected officials, policy experts, business leaders and media columnists—from Michigan and elsewhere.

The regional impact

The economies of Michigan, Ohio and elsewhere would face immediate and severe consequences if we did not have Line 5.

Fact sheet: Line 5 Straits of Mackinac tunnel

A Line 5 Straits of Mackinac tunnel would be state of the art, with enhanced safety features that reflect our commitment to protecting Michigan’s natural resources.

Interactive webpage: Bolstering safety at the Straits

Find out how Enbridge safeguards the Great Lakes at our Line 5 Straits of Mackinac crossing, through a series of overlapping safety precautions.

Line 5: A vital piece of Michigan's energy infrastructure

Line 5 moves products that heat homes and businesses, fuel vehicles, and power industry throughout the state.

Did you know? Line 5 remains crucial to Michigan manufacturing

Helps create more than 6,000 everyday products for consumers across America

Line 5 monitoring

Keeping a watchful eye with human and automated resources.

Line 5 was built to last

Exceptional engineering.

Extraordinary standards.

Extensive testing.

Michigan fact sheets and brochures

Learn more about our energy infrastructure assets in Michigan, our commitment to pipeline safety, the economic benefits we bring, and more.

Safeguarding the Great Lakes

We take special precautions to protect the Great Lakes.

Line 5 innovation and technology

Harnessing, adapting and advancing technology for safety.

Line 5 fact sheets and brochures

Read more about Line 5, the multiple safety precautions we take in the Straits of Mackinac, and the line's benefits to the Michigan economy.