Kitakyushu Tunnel

Kitakyushu Tunnel (北九州トンネル) is a railway tunnel on JR's Sanyo Shinkansen line located between Midorigaoka, Kokura-kita Ward and Kamitsuyaku-higashi,  Yahata Nishi Ward, Kitakyushu city in Fukuoka Prefecture with total length of 11.747 km. It was built and completed in 1975.