西安至十堰高铁全线隧道顺利贯通

Core Viewpoint - The successful completion of the Hujiayuan Tunnel on July 30 marks a significant milestone for the Xi'an to Shiyan high-speed railway, with all 42 tunnels now completed, laying a solid foundation for the construction of ballastless track and the eventual operation of the railway [1] Group 1 - The Hujiayuan Tunnel is a key control project for the Xi'an to Shiyan high-speed railway [1] - The completion of all 42 tunnels is crucial for the overall progress of the railway project [1] - The successful tunneling supports the future construction and operation of the Xi'an to Shiyan high-speed railway [1]