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 ...

Plans to link Europe and Africa by an underwater tunnel under the Strait of Gibraltar—a dream circulating for decades—have ...

Asked at a community meeting if the state is considering replacing the Tobin Bridge with a tunnel, the project manager leading planning studies responded Wednesday that it wasn’t out of the ...

Workers in China have set a new record by completing the task of building the world's largest-diameter underwater shield tunnel. The two mile section of the underwater shield segments is completed ...

The Detroit Windsor Tunnel is nearly 100 years old and was the first and only underwater tunnel for vehicles connecting two countries. But, there is much more to that tunnel than what people see ...

Looking at The Chunnel, a real life underwater tunnel connecting London to Paris, that cost $21 billion to build the 31-mile tunnel in 1994. That comes out to $677 million per mile of the tunnel.

Trump Makes Major Announcement on Mail-In Voting Anthony Michael Hall recalls “National Lampoon's Vacation” dad Chevy Chase mocking him for going through puberty while filming Towering wall of dust ...

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.

From another BART tube, similar to the Transbay Tube, or an underwater tunnel through the bay -- these ideas could change the landscape of Bay Area traffic for the better. As for the price tag for ...

Tunnel Shield Under River You've got it! The first underwater tunnel was built with a tunnel shield. You could build a mile-long tunnel here in a couple of months with this reliable method.

Underwater tunnels around the world, including Hong Kong's metro tunnel system and San Francisco's Bay Area Rapid Transit tunnel, were put together like this.