The Ryfylke Tunnel is the longest undersea road tunnel in the world at present and stretches some 8.98 miles between ...

The Fehmarn Belt Fixed Link will soon connect Denmark and Germany through the world’s longest immersed tunnel — 18 kilometers beneath the Baltic Sea. Learn how this massive engineering feat is being ...

America's Longest Tunnels Engineering in the US has made incredibly strides in the past. As late as the mid 1900s, the idea ...

SAN DIEGO — U.S. Border Patrol agents have uncovered a sophisticated drug tunnel running between the United States and Mexico near the Otay Mesa Point of Entry. The half-mile-long tunnel, which was ...

The Ministry added that the successful implementation of tunnel projects depends upon proper geo-technical investigation.