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If the longest tunnel in in the world is the seikan tunnel where is it how long is it?

In: Travel & Places, Japan, Civil Engineering [Edit categories]

Answer:

It is located beneath the Tsugaru Strait in Japan, and is 53.85 KM (33.46 MI) long. 23.3 KM (14.5 MI) is located under the seabed. It opened on March 13, 1988. It not only is the longest tunnel, it also is the deepest train tunnel in the wold. However, watch for the completion of the Gotthard Base Tunnel in Europe to take over the record sometime around 2018.

First answer by Dynotech. Last edit by Dynotech. Contributor trust: 242 [recommend contributor ]. Question popularity: 2 [recommend question].

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