In 2018, Enbridge proposed the tunnel as a form of secondary containment. To extend Line 5's life, the 3.6-mile tunnel would be bored into rock as much as 250 feet below the lakebed.

In 2018, Enbridge proposed the tunnel as a form of secondary containment. To extend Line 5's life, the 3.6-mile tunnel would be bored into rock as much as 250 feet below the lakebed.

Built in 1953, Enbridge's Line 5 moves 23 million gallons of oil and natural gas liquids per day east through the Upper Peninsula, splitting into twin underwater pipelines on the Straits of ...

The 50- to 60-year-old steel cable probably “weakened until the point where it came down” after decades in a damp, subterranean tunnel, said Phillip Eng, the MBTA general manager.

Approximately 500 passengers were evacuated off a Blue Line train after the train lost power Tuesday afternoon, the Boston Fire Department said. Passengers said they heard a "snap" or "pop" before ...

The massive construction project has been the subject of controversy from advocates concerned about a potential environmental disaster should the infrastructure be damaged.

Cumbrian Coast Line passengers are being advised the railway between Whitehaven and Corkicle will remain closed after recent surveys.

Line 5 tunnel project reaches key step; public input open on draft environmental impact statement. Enbridge's proposed Line 5 tunnel recently hit a permitting milestone.

The Enbridge Energy pipeline has been in use since 1953 beneath the Straits of Mackinac. A project to build a protective tunnel around part of it first gathered steam in 2018 under then-Gov. Rick ...

Beth LeBlanc, Tribune News Service The U.S. Army Corps of Engineers is considering giving the Line 5 tunnel project under the Straits of Mackinac emergency status after President Donald Trump last ...