YuWu Expressway Zhongliang Mountain Tunnel Project is an important part of the highway network of Chongqing Municipality, with a total length of about 10 kilometers, of which the tunnel is about 7 kilometers long, which is the longest highway tunnel in Chongqing Municipality.


HC high-speed hydraulic tamping machine tamps the roadbed in the Yuwu Expressway Zhongliang Mountain Tunnel Project constructed by CCCC First Public Bureau Group.
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