Norway is building the Rogfast tunnel, the longest and deepest underwater road tunnel in the world, stretching 26.7 kilometers and reaching depths of nearly 400 meters below sea level. This $2+ ...

Norway’s geography presents persistent transportation challenges. The country’s complex network of fjords, islands and mountainous terrain forces travelers to rely heavily on ferry systems and ...

Explore Norway's ambitious project, Rogfast, which aims to create the world's longest underwater road tunnel. This engineering marvel promises to transform travel across the region. Scientists sound ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. An aerial view of the Aquaduct Veluwemeer in the Netherlands, showing a highway running through a tunnel underneath the water.