Stretching 18 km between Denmark and Germany, this €7bn immersed tunnel is the world’s longest road and rail link. By 2029, it will replace a 45-minute ferry trip with a 10-minute drive or a 7-minute ...

They say space is the final frontier, but for my money, we don’t have to look any further than the bottom of the oceans right here on Earth. So, I’m not sure how ...

A project nearing completion in the Detroit area utilized a custom-built, diver-operated vehicle that can operate underwater and that replaced concrete liners for two raw water tunnels, eliminating ...

Traveling Norway's E39 highway is often an unforgettable, but arduous adventure. The route, which spans nearly 1,100 kilometers (683 miles), is an engineering marvel, and has been constructed in a ...

Every day, long-haul truckers and commuters pass through the George Wallace Tunnel, briefly slipping away from daylight and 40 feet underwater, until reemerging into downtown Mobile, Alabama. Since ...

Travellers venturing to the Faroe Islands might be taken aback to discover the world's first underwater roundabout during their visit. The roundabout sits within the Eysturoy Tunnel, which was ...

From the column: "I can imagine how happy local walkers and bicyclists would be to have a tunnel like this to walk and ...

A MAJOR £7.4 billion underwater tunnel that will connect two continents has taken a step closer to creation. Experts have ...

Femern outlined that an immersed tunnel represents a "safe, tested and efficient way of building an underwater tunnel". "The ...

The remarkable tunnel beneath the Baltic Sea, expected to become one of the world's longest underwater structures, is due for completion by 2029 ...