The world’s longest and deepest undersea road tunnel is being built in Norway, intended to cut travel time between major cities and become part of a ferry-free highway along its western coast.

Driving into an underwater tunnel can catch you off guard. One moment you’re in open daylight, and then the road dips and you ...

A new 17-mile underwater tunnel could link Europe’s high-speed rail network to North Africa by 2030 – if a €6bn proposal goes ahead. The tunnel would introduce a high-speed train service by connecting ...

This video explores the construction of the Fehmarnbelt Tunnel, an 18 km long underwater tunnel in the Baltic Sea that has ...

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 ...

Construction for an underground system, which features an underwater tunnel, for India's ambitious Mumbai-Ahmedabad High-Speed Rail Corridor has passed a key milestone, according to local reports. The ...

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 ...

NEW YORK (AP) — An underwater tunnel that passes beneath New York City’s East River sprung a leak Wednesday after a city contractor mistakenly drilled a hole through it, sending streams of water into ...

NEW YORK (AP) — An underwater tunnel that passes beneath New York City’s East River was punctured when a construction contractor accidentally drilled a hole through it. Social media video Wednesday ...