Core Insights - The Spring Festival travel rush in 2026 will officially begin on February 2, with the completion of the digital screening construction of the eastern section of the Hainan Ring Island High-speed Railway [1] - The project utilized digital technology to address maintenance challenges posed by the tropical marine climate, ensuring safe operation and convenient travel for passengers during the Spring Festival [1] Group 1: Project Overview - The Hainan Ring Island High-speed Railway serves as a core transportation line connecting major cities on the island, operating in a high-temperature, high-humidity, and high-salinity environment [1] - The construction focused on the 51-kilometer core section from Qionghai to Wenchang, marking the first large-scale application of digital technology for screening operations [1] - Over two years, the project completed 60 construction windows and successfully screened and rehabilitated 81.5 kilometers of track, meeting all operational standards [1] Group 2: Technological Innovations - The construction team employed a combination of static and dynamic measurement methods to accurately determine key parameters such as screening depth, operation speed, and compaction frequency [1] - Advanced self-developed tools were utilized, including an inertial navigation vehicle integrated with gyroscopes and satellite positioning systems, achieving a measurement efficiency 20 times greater than traditional instruments [2] - Real-time monitoring devices, such as 2D laser rangefinders and intelligent track control systems, enabled millimeter-level precision in monitoring track elevation and alignment [2] Group 3: Operational Impact - The optimized state of the rehabilitated track will enhance the stability and safety of the Hainan Ring Island High-speed Railway, allowing it to effectively handle the peak passenger flow during the Spring Festival [2] - The improvements will provide robust transportation support for the construction of the Hainan Free Trade Port [2]