Core Viewpoint - The Chengyu Middle Line High-Speed Railway in Sichuan has completed all bridge construction, marking a significant milestone as it enters the final stages of construction, including track laying and station works [1] Group 1: Construction Progress - The Chengyu Middle Line High-Speed Railway Sichuan section has six beam-laying bases responsible for the prefabrication and erection of 3,330 box girders [1] - All bridge construction has been completed, and 26 out of 27 mainline tunnels have been connected, with the key Shuan Tunnel shield section nearing completion [1] - The project is now entering the final phases of ballastless track, "four electrical" engineering, and station construction [1] Group 2: Project Importance and Timeline - The Chengyu Middle Line High-Speed Railway is a crucial part of the national "eight vertical and eight horizontal" high-speed rail network along the Yangtze River [1] - The main line is approximately 292 kilometers long, designed for a speed of 350 kilometers per hour, with a maximum operational speed expected to reach 400 kilometers per hour [1] - The railway is anticipated to be completed and operational by 2027, reducing travel time from Chengdu to Chongqing to 50 minutes [1]
成渝中线高铁四川段桥梁建设全部完成 建设进入全面冲刺阶段
Si Chuan Ri Bao·2026-02-11 00:29