Stretching 18km between Denmark and Germany, this €7bn immersed tunnel is the world’s longest road and rail link. By 2029, it ...

The Fehmarn Belt Fixed Link is an immersed tunnel set to link the Danish island of Lolland with Germany's Fehmarn island.

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

China is planning the longest underwater tunnel ever built, a 76 mile link beneath the Bohai Sea that would cut travel times, boost regional GDP, and push engineering limits. This video explores why ...

Travellers venturing to the Faroe Islands might be taken aback to discover the world's first underwater roundabout during ...

The Fehmarn Belt Fixed Link is an immersed tunnel that will connect the island of Lolland, in Denmark, with the island of ...

India is set to build its first-ever twin-tube underwater tunnel designed to carry both road traffic and trains, marking 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 ...

India’s tunnel infrastructure boom from the Atal Tunnel to Kolkata’s underwater metro is transforming connectivity, catalyzing regional development, and reinforcing strategic access, using advanced ...

The tunnel spurred politicians to advocate for underwater bridges in other southern cities and beyond. Palmer and Baker eventually designed tunnels for Harvey and Belle Chasse. Later, it was ...