On May 13, the Xikang High Speed Rail Qinling Jiutianshan Tunnel, built by Xicheng Passenger Special Shaanxi Company and constructed by China Railway Seventh Bureau, was successfully completed. This marks the completion of all 20 tunnels on the Xikang High Speed Rail Line. The Xikang High Speed Rail, which crosses the Qinling Mountains, has a total length of 171 kilometers and a design speed of 350 kilometers per hour. After completion and opening to traffic, the spatial and temporal distance between the Guanzhong urban agglomeration and the Qinba Mountains in southern Shaanxi will be greatly shortened, making it easier for residents to travel along the route, which is of great significance for rural revitalization in the Qinba Mountains of southern Shaanxi.

On May 13, the Xikang High Speed Rail Qinling Jiutianshan Tunnel, built by Xicheng Passenger Special Shaanxi Company and constructed by China Railway Seventh Bureau, was successfully completed. This marks the completion of all 20 tunnels on the Xikang High Speed Rail Line. The Xikang High Speed Rail, which crosses the Qinling Mountains, has a total length of 171 kilometers and a design speed of 350 kilometers per hour. After completion and opening to traffic, the spatial and temporal distance between the Guanzhong urban agglomeration and the Qinba Mountains in southern Shaanxi will be greatly shortened, making it easier for residents to travel along the route, which is of great significance for rural revitalization in the Qinba Mountains of southern Shaanxi.