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 ...

Norway is building the world’s longest and deepest underwater tunnel, one of Europe’s most ambitious engineering projects which is hoped will boost the country’s transport links and infrastructure.

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 ...

What's the longest underwater tunnel you've ever driven through? The Holland Tunnel into Manhattan, or maybe the Battery Tunnel into Brooklyn? Well, Norway laughs at your pitiful American underwater ...