As of 2024, the longest tunnel in the world is the Gotthard Base Tunnel in ... differences deep below the surface. The tunnel was bored using massive tunnel boring machines and required extreme ...

I’m sweating as I get a rare look at the newest wonder of the world—the 35.4-mile Gotthard Base Tunnel, the longest tunnel on earth, a $12 billion marvel that took 17 years to dig and will ...

Let’s take a closer look at five of the world’s longest road tunnels– each a remarkable achievement in engineering and planning. Note: This list is based on information from We Build Value ...

China is currently planning to build the world's longest underwater motorway tunnel beneath its longest river. China has just launched a huge self-developed tunnel boring machine (TBM) to build ...

Brenner Base Tunnel - The Webuild-led consortium building the Italian side of the Brenner Base Tunnel has bored through to ...

The Zoji La Tunnel, which is set to be the longest in Asia, will pass under the Zoji La pass in the Himalayas, the world's highest mountain range. The aim of the tunnel is to provide year-round ...

In the 1930s, workers bored a 13-mile tunnel beneath Mt. San Jacinto. Here's a look inside the engineering feat that carries ...

which is the longest tunnel in the world with a double track. The Simplon tunnel is slightly longer, but this consists of two parallel tunnels each with a single track. The Apennine tunnel is a ...

In the south of Denmark a mega project is underway to build a tunnel under the Baltic and providing a link to Germany. It's currently Europe's biggest construction site and the world’s longest ...