First Tunnel of Huozhou-Yongheguan Expressway Phase II Project
Duanshi Ridge Tunnel (left part) of Huozhou-Yonghuguan Expressway executed by China Railway No.3 Engineering Group Co., Ltd. Has been completed on April 29, 2016. Total length of left part is 458m and the right part is 732m. l This is the key point of the Project for the poor transportation condition resulted from long and precipitous construction detour. Duanshi Ridge Tunnel is also the first one completed on the Yonghe-Yongheguan Road of Huozhou-Yongheguan Expressway.