西十高铁全线隧道贯通！通车后，武汉至西安3小时可达

Core Viewpoint - The successful completion of the Hujia Yuan Tunnel marks a significant milestone in the construction of the Xitian High-speed Railway, indicating that all 42 tunnels along the line have been completed, thus accelerating the overall construction progress [1][3]. Group 1: Project Overview - The Xitian High-speed Railway has a total length of 255.7 kilometers, with the Shaanxi section measuring 169.4 kilometers and the Hubei section measuring 86.3 kilometers [3]. - The Hubei section includes 26.5 tunnels, with the Hujia Yuan Tunnel being the last to be completed [5]. Group 2: Construction Challenges - The project faces significant challenges due to poor surrounding rock conditions, shallow burial, and high construction risks, which require strict adherence to safety and quality standards [3][7]. - The construction team has implemented advanced support measures and utilized GIS visualization platforms to enhance process control and ensure safety during the construction [7]. Group 3: Economic and Connectivity Impact - The Xitian High-speed Railway is a crucial part of the national high-speed rail network, designed for a speed of 350 kilometers per hour, which will enhance connectivity between the Guanzhong urban agglomeration and the Yangtze River middle reaches [7]. - The railway is expected to open in June 2026, reducing travel time significantly between major cities, such as Wuhan to Xi'an in under 3 hours [10].