Shin-shimizu Tunnel (新清水トンネル, Shin-shimizu tonneru) 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 13.500 km.

It was built and completed in 1967 under Mount Tanigawa that has 3 railway-tunnels: single-tract Shin-shimizu & Shimizu tunnels for Joetsu Line, and double-tracts Daishimizu Tunnel for Joetsu Shinkansen line.

[1][2][3][4] 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.

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