Currently, the world's longest undersea section of a tunnel belongs to the Channel Tunnel, which has a 23.5-mile (37.9 kilometers) underwater section connecting England and France. Construction on the ...

The world's deepest tunnel you can drive through was set to be completed in 2025, but it looks like plans have changed. Here's what you need to know.

Did you know that there’s a tunnel under Ocean Boulevard? The tunnel in Myrtle Beach hasn’t been the topic of any hit songs, ...

The tunnel in Norway, which is expected to be completed in 2033, is to descend nearly 1,300 feet below sea level.

Sepulveda Boulevard passes through the tunnel, and it wasn’t paved until 1935. By the time the Sepulveda Tunnel was opened, it was already inadequate, and in 1960, the state began construction ...

Still two years away from scheduled completion, the Project Director for the Hampton Roads Bridge Tunnel Expansion says 2025 will be the "most meaningful" year for the people driving it.

The U.S. Army Corps of Engineers has released a long-awaited draft of its environmental review for Enbridge's Line 5 Tunnel project through the Straits of Mackinac.