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7月24日,位于韶关市新丰县丰城街道龙江村、大广高速公路粤境韶关新丰段最长的隧道——风门凹隧道全线贯通。全长3074米,其中左线长1595米,右线长1478.959米,属大庆至广州高速公路粤境S13合同段,由中铁十一局集团有限公司承建。门凹隧道是大广高速公路粤境新丰段的控制性工程,工程于2012年9月进场,2013年2月开挖施工。经过一年多的艰苦该隧道
July 24, located in Shaoguan City Xinfeng County Fengcheng streets Longjiang Village, Daguang Highway Shaoguan Guangdong Fogang Xinfeng section of the longest tunnel - Dam door tunnel across the board. The total length is 3074 meters, of which the left line is 1595 meters long and the right line is 1478.959 meters long. It belongs to S13 contract section of Guangdong border from Daqing to Guangzhou Expressway and is under construction by China Railway 11 Bureau Group Co., Ltd. The Gate Tunnel is a controlled project of the Xinfeng section of the Guangzhou-Guangzhou Expressway. The project entered the project in September 2012 and was excavated in February 2013. After more than a year of hardship the tunnel