新渝万高铁正线56座隧道全部贯通
4月12日，新建重庆至万州高速铁路全线控制性工程——长岭岗隧道顺利贯通，至此，新渝万高铁正线56座隧道全部贯通，为全线按期通车奠定了坚实基础。此次贯通的长岭岗隧道地处重庆市涪陵区与巴南区交界，是全线最长的Ⅰ级高风险隧道，设计为单洞双线隧道，全长13325米。新渝万高铁是我国“八纵
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