No.1 Zhongnan Mountain Highway Tunnel Qinling Mountain Zhongnan Mountain Highway Tunnel is the main project from Baotou to Maoming in the national expressway network. It is also an important part of the crisscross highway network of "three vertical, four horizontal and five radial" from Xi'an to the Ankang highway. The Single tunnel is 18.02 kilometers … Continue reading Best Bridges, Tunnels and Roads In China.
You must be logged in to post a comment.