-
Tunnel ****an (Hokkaido) 16.980 km (10.6 mi) 2031
Hokkaido Shinkansen Xingdongshan Tunnel China (Hubei) 16.883 km (10.5 mi) 2025 Yichang–Xingshan HSR Baoyun...
-
Guizhou 17.012 km (10.6 mi) 1x2 2023 Guiyang–Nanning high-speed
railway Xingdongshan Tunnel (兴山东隧道)
Hubei 16.883 km (10.5 mi) 1x2 u/c Zhengzhou-Wanzhou HSR...