List of longest tunnels - Wikipedia
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. Zhongnanshan Tunnel. Built in 2007, the tunnel is located in China ...
The 10 Longest Underwater Tunnels in the World | TheRichest
The total cost of the project is estimated at US$1 billion. Once completed the Ryfast tunnels, at 23,900m long, will surpass the 18,680m-long Shin-Karmon tunnel in Japan, completed in 1975, as the longest underwater road tunnel in the world.
World Top 10 Longest Underwater Tunnels - YouTube
List of Road Tunnels in USA, edited by Eugenio A. Merzagora
Undersea tunnel - Wikipedia
6/10/2014 · longest underwater tunnel in the world One of the greatest indoor aquarium in the world. The facility is not new and impressed, but kids had lots of fun in the tunnel.
The World's Longest Underwater Tunnel - YouTube
At 37.9 kilometres (23.5 mi), the tunnel has the longest undersea portion of any tunnel in the world, although the Seikan Tunnel in Japan is both longer overall at 53.85 kilometres (33.46 mi) and ...