The world’s longest and deepest undersea road tunnel is being built in Norway, intended to cut travel time between major ...

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

Construction of the world's longest undersea high-speed railway tunnel has reached a significant milestone, as the "Dinghai" ...

On November 28, a significant milestone was reached in the construction of the Yongzhou Railway's Jintang Undersea Tunnel, with the Dinghai shield machine successfully breaking through the 5000-meter ...

On the shores of the Baltic Sea, in the south of Denmark, a vast engineering marvel is taking shape — piece by giant concrete piece — that, when finished, will drastically redraw the road and rail ...

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

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 ...

Underwater cameras and bespoke positioning equipment will guide the element into place with a precision of up to 12 millimeters. Giant rubber gaskets and secondary seals engineered to last 120 years ...