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 ...

A groundbreaking $8.3bn billion project, set to debut in 2029, is poised to become the world's longest underwater rail and road tunnel. The ambitious plan aims to dramatically slash travel time ...

A groundbreaking $8.3 billion project, slated for completion in 2029, is poised to become the world's longest subaqueous rail and road tunnel. The ambitious plan aims to significantly slash travel ...

Germany and Denmark are separated by a strait of just 20 km, but getting from one country to the other by land involves a 160 ...

The tunnel will stretch 17 miles at a maximum depth of 392 metres below sea level, which, compared to the Channel Tunnel, ...

Tunnels are used to carry traffic through some of the most extreme terrain on the planet and they help ease journeys with reduced travel time. While most tunnels offer a short underground burst of ...

Spain has begun investigating the possibility of connecting Europe to Africa via an underwater tunnel to Morocco. On Saturday, the Spanish government allocated €1.6 million (roughly $1.7 million) to a ...