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 ...

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. The ...

It'll only be a matter of time before Norway is home to the world's deepest and longest undersea road tunnel. The tunnel is billed as "Rogfast," which is short for "Rogaland fastforbindelse" — named ...