[The Gaosheng No. 2 Tunnel of the Xi'an-Chongqing High-speed Railway was completed today, and the construction of the entire line has entered a critical stage] October 11th, according to the Beijing-Kunming High-speed Railway Xikun Company, on October 11, with the successful completion of the last blasting operation, the Gaosheng No. 2 Tunnel of the Xi'an to Chongqing High-speed Railway was completed, laying a solid foundation for the entire line to be completed and opened to traffic on schedule. It is understood that the main line of the Kangyu section of the West-Chongqing High-speed Railway is 478 kilometers long. The line starts from Ankang West Station, passes through Ankang City in Shaanxi Province, Chengkou County in Chongqing City, Dazhou City and Guang'an City in Sichuan Province, Hechuan District and Beibei District in Chongqing City, and finally connects to the Chongqing West Railway Station hub. Currently, the construction of the Kangyu Section of the Xi-Chongqing High-Speed ​​Railway is advancing at full speed, with 66 tunnels running through the entire line. The project as a whole has entered the key stages of ballastless track construction, station building construction and the installation of four power projects.