List of longest tunnels - Wikipedia
Japan’s Seikan Tunnel is the longest underwater tunnel in the world, and is located beneath the Tsugaru Strait. The tunnel connects Hokkaido Island with the Aomori Prefecture. The tunnel was constructed as the government’s response to the unfortunate sinking of five ferry ships due to a typhoon back in 1954, which resulted in public outrage.
The 10 Longest Underwater Tunnels in the World | TheRichest
Top 5 Longest Tunnels in the U.S. By Andrew Lisa November 5, 2018 View all posts (31) ... Baltimore Harbor Tunnel, the Brooklyn-Battery Tunnel was regarded as an ambitious project, and it was named the single longest underwater tunnel the world has ever seen in the 1950s at 1.7 miles long.
Undersea tunnel - Wikipedia
Above: A cross section of the tunnel showing its maximum depth (image courtesy of Statens vegvesen). With a length of 26.7km and a maximum depth of 392 metres below the sea level, the Rogfast road tunnel will be the longest, and deepest, undersea road tunnel in the world.
World Top 10 Longest Underwater Tunnels - YouTube
List of Road Tunnels in USA, edited by Eugenio A. Merzagora
Top 5 Longest Tunnels in the U.S. - Top5
It’s 1 tube, and is the longest road tunnel in the world. Yamate Tunnel. Built in 2010-2015, the tunnel is located in Japan (Tokyo). It’s part of the C2, Shuto Expressway. It’s 18,200 km (11.5 mi) long. It’s 2 tubes, and is the longest in-city road tunnel in the world.
Construction Begins on Longest Undersea Road Tunnel
The Top 5 Longest Underwater Tunnels Tunnel Location Length (meters) Length (feet) Year Completed; 1: The Seikan Tunnel: Japan: 53,850 m: 176,673 ft: ... 39 km of the "Chunnel", as it is known, is underwater. As of 2006 the toll for the Aqualine expressway was 3,700 yen (about $31 US dollars).