Kanmon Tunnel
Kanmon Tunnel may refer to: • Kanmon Railway Tunnel, undersea rail tunnel connecting the islands of Honshu and Kyushu • Kanmon Roadway Tunnel, undersea road tunnel connecting Shimonoseki, Yamaguchi and Moji-ku, Kitakyūshū • Shin-Kanmon Tunnel, undersea rail tunnel connecting Shin-Shimonoseki Station and Kokura Station