Introduction of Yanmen Pass Tunnel

Yanmen Pass Tunnel is divided into two, one is the North Tongpu Railway to take the straight line of Yanmen Pass Tunnel, has been on April 30, 2013 at 10:00 a.m., after five years and five months of hard construction victory through. Yanmen Pass Tunnel is the control project of the North Tongpu Railway to take the straight line, with a total length of 14.085 kilometers, started construction in February 2007, designed as a single-hole, two-lane tunnel. Another for Datong to Yuncheng highway throat, for the Inner Mongolia Erlianhot to Guangzhou, Guangdong national highway G55 key control engineering.