Craig Harlan Hullinger
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.
Solbakk (uc) – Stavanger, Norway = 46,904 feet
Harbour (prop) – Copenhagen, Denmark = 30-40,000 feet
Tokyo Bay (1997) – Tokyo, Japan = 31,498 feet
Xiamen West (uc, 2017) – Xiamen, China = 29,627 feet
Click to read the article and see the list of long underwater tunnels.
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