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List of longest tunnels - Wikipedia

The world's longest and deepest rail tunnel has officially opened in Switzerland, after almost two decades of construction work. The 57km (35-mile) twin-bore Gotthard base tunnel will provide a ...

List of long tunnels by type - Wikipedia

Seikan submarine tunnel in Japan is the world's longest railway tunnel. Image courtesy of Ariake. The Channel Tunnel is the longest undersea railway tunnel in the world. Lötschberg base tunnel in Switzerland is the world's longest land tunnel. Image courtesy of Cooper.ch.

World's Longest Tunnel - How It Was Built - Full Documentary

The World's subaqueous road tunnels, rock, shield and immersed tubes. Norwegian fjord crossings. All the World's longest, widest and deepest road tunnel projects ...

Gotthard tunnel: World's longest and deepest rail tunnel ...

This tunnel is not only the world’s longest, 24.5 km ( 15.2 miles), but also the world’s most uniquely constructed tunnel with exceptional security features. (The world’s second longest, the St. Gottard Tunnel in Switzerland, is only 16.92 km, or 10 miles).

The world's longest railway tunnels - Railway Technology

Measuring 57 km in length, situated 2.3km deep under the Alps and having cost €11bn to complete, Switzerland’s Gotthard base tunnel is more than just the world’s longest and most expensive ...

The World's longest Tunnel Page, edited by Gunnar Lotsberg

It’s 1 tube. It was the World's longest tunnel between 1980 – 2000. Arlberg. Built in 1978, the tunnel is located in Austria (Vorarlberg -Tyrol). It’s part of the S16/E60. It’s 13,972 km (8.7mi) long. It’s 1 tube. It was the World's longest tunnel between 1979-1980.