What is the total length of Lanping Sepang Mountain Tunnel?

Lanping Xuebangshan Tunnel is an extra-long tunnel with a total length of 10535m, which belongs to the construction of Yunling Xuebangshan Tunnel on Hejianlan Expressway.

Hejian Lan expressway is a expressway from Heqing County to Jianchuan County in Dali Prefecture to Lanping County in Nujiang Prefecture, starting from Shilong Village in Heqing County and ending in Jinding Town in Lanping County. The Jianchuan-Lanping section is 57.59 kilometers long, with four lanes in both directions, and the designed driving speed is 80 kilometers per hour, of which Lanping County is responsible for 25 kilometers, with an estimated investment of 4.2 billion yuan. The whole line is planned to be completed and put into use in 2025.

The xuebangshan tunnel in Yunling is a separated two-way four-lane tunnel, with the left line starting and ending pile numbers zk44+255 ~ zk54+790 and the total length of10535m; The right line K44+260 ~ K54+795, with a total length of 10535m, is an extra-long tunnel, which is one of the key control projects of Hejianlan expressway.