is a tunnel on JR East-Joetsu Shinkansen line in Japan that runs from Jomo Kogen, Takasaki city to Onoko, Shibukawa city, in Gunma prefecture with approximate length of 14.857 km. It was completed and opened in 1982.Fusashi Fujimori, “Fighting Volcanic Lahar and Turbulence - Joetsu Shinkansen Nakayama Tunnel (Special feature on Joetsu Shinkansen opening),” Transport, Vol. 32, No. 11, Minister's Secretariat, Ministry of Transport, November 1982, 44-51 page.
See also List of tunnels in Japan Seikan Tunnel Tappi Shakō Line Sakhalin–Hokkaido Tunnel Bohai Strait tunnel
References
External links Gov. maps.gsi.go.jp Government railway story Nakayama Tunnel from jrtt.go.jp Nakayama Tunnel (in Japanese)