近日,西成高铁进入秦岭的第一条隧道——清凉山隧道顺利贯通,标志着西成客专2标标段内所有隧道已全部贯通,为西成客专按期开通奠定了坚实基础。陕西省总工会、中交集团、西成公司、铁一院设计院、二航局、户县国土资源局、监理公司、二航局五分公司等单位领导和施工人员代表近200人见证了清凉山贯通。西安至成都客运专线西安至江油段是国家中长期铁路网规划中的重点项目。线路设计长度643公里,北起 Recently, the first high-speed rail into the Qinling Qinling the first tunnel - Qingliangshan tunnel smoothly through, marking the West into a passenger dedicated 2 standard section of all tunnels have been through, for the West opened on schedule opened up a solid foundation. Shaanxi Province Federation of Trade Unions, China Communications Group, West into the company, the Iron Institute Design Institute, Erhosu Bureau, Huxian Land and Resources Bureau, supervision companies, Erhualu five branches and other units of the leadership and construction personnel representatives nearly 200 people witnessed the cool Mountain through. Xi’an to Chengdu Passenger Dedicated Line Xi’an to Jiangyuan is the national long-term railway network planning key projects. Line design length of 643 kilometers, north