决胜“十四五” 打好收官战 | 加速掘进，为了延安早日通上高铁

Core Points - The construction of the Xi-Yan High-Speed Railway is a key project during China's 14th Five-Year Plan, with a total length of 299.8 kilometers and a design speed of 350 km/h, significantly reducing travel time between Xi'an and Yan'an to about one hour [1][2] - The project faces significant challenges, including over 9,000 landslides and complex geological conditions, leading to a high bridge-tunnel ratio of 92% [1] - Innovative technologies such as 3D remote sensing and new foundation treatment methods have been employed to enhance construction efficiency and reduce costs by approximately 30% [1] - The construction progress has improved from 150 meters to 200 meters per day, ensuring timely completion of the project [2] - The high-speed railway is expected to serve as an "accelerator" for the revitalization of revolutionary old areas, facilitating better access for local farmers to markets [2] Industry Insights - The Xi-Yan High-Speed Railway is part of the national high-speed railway network, enhancing connectivity and integration of the Guanzhong Plain urban agglomeration and the Hohhot-Baotou-Erdos-Yulin urban cluster [2] - The project is expected to stimulate economic growth in the region, with local farmers anticipating increased business opportunities due to improved transportation [2][3] - The use of advanced construction techniques and materials reflects a trend towards smarter and more efficient infrastructure development in the railway sector [1][2]