is one way tunnel towards Niigata on JR's Joetsu Line located between Yuzawa town in Niigata Prefecture and Minakami town in Gunma Prefecture in parallel to other one-way Shimizu Tunnel (towards Tokyo) with total length of . It was built and completed in 1967 under Mount Tanigawa that has 3 railway-tunnels: single-track Shin-shimizu & Shimizu tunnels for Joetsu Line, and double-track Daishimizu Tunnel for Joetsu Shinkansen line. A distinctive station known as Doai Station features a platform situated within an underground tunnel, specifically positioned within the middle of the Shin-Shimizu Tunnel.
See also List of tunnels in Japan Seikan Tunnel undersea tunnel between Honshu-Hokkaido islands Kanmon Railway Tunnel undersea tunnel between Honshu-Kyushu islands Sakhalin–Hokkaido Tunnel proposed undersea tunnel between Russia and Japan Bohai Strait tunnel proposed undersea tunnel in Yellow Sea, China
References
External links Gov. maps.gsi.go.jp Mapion maps Shin-shimizu tunnel 新清水トンネル Doai station and Shin-shimizu tunnel's video