9778818威尼斯官网-vnsc3775威尼斯城官网

Datong-Yuncheng Expressway Yanmenguan Tunnel

 
It is the first expressway tunnel constructed in China. The maximum bury depth is 600m, 10.5m in width, 5m in height. Total length of left and right tunnel is 10395m. It started in Oct. 2001, and completed in 2004.
 

 

9778818威尼斯官网|vnsc3775威尼斯城官网

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