Underwater Tunnels

Underwater tunnels are an interesting piece of infrastructure.

The list provides the name of the tunnel, the year of completion in parenthesis, the city/nation Those tunnels where the length is not known are listed at the end.

1. Solbakk (uc) – Stavanger, Norway = 46,904 feet
2. Harbour (prop) – Copenhagen, Denmark = 30-40,000 feet
3. Tokyo Bay (1997) – Tokyo, Japan = 31,498 feet
4. Xiamen West (uc, 2017) – Xiamen, China = 29,627 feet

Click to read the article and see the list of long underwater tunnels.

http://panethos.wordpress.com/2014/11/28/longest-underwater-highway-tunnels/