Tunnels in Japan

Links Honshu and Hokkaido beneath the Tsugaru Strait, with 23.3 km under the seabed and 240 m of rock cover at its deepest. Planne...

Built for the Tohoku Shinkansen extension from Morioka to Hachinohe in northern Japan. It was the longest land based railway tunne...

Undersea rail tunnel between Shimonoseki and Moji through the Kanmon Strait, the first submarine railway tunnel in Asia. It let th...

The centerpiece of the C2 ring in Tokyo on the Shuto Expressway and the longest road tunnel in Japan, second longest road tunnel o...

Longest road tunnel in Japan when it opened, on the Kan-Etsu Expressway through the mountains between Tokyo and Niigata. Twin bore...

Bridge and tunnel crossing of Tokyo Bay between Kawasaki and Kisarazu: 9.6 km of tunnel under the bay plus bridge spans, meeting a...

A double track tunnel under the Hakkoda Mountains in Aomori Prefecture, opened in 2010 with the extension of the Tohoku Shinkansen...

The Joetsu Shinkansen tunnel beneath the Tanigawa range between Gunma and Niigata, opened in 1982 and for a time the longest mount...