我国“八纵八横”铁路网越织越密

Group 1: Beijing-Hong Kong High-Speed Railway (京港高铁) - The completion of the track laying for the Xiongshan section of the Beijing-Hong Kong High-Speed Railway marks a significant milestone, connecting various regions and forming a new north-south high-speed rail corridor in China [2][3] - The Xiongshan section, which spans 552 kilometers and is designed for a speed of 350 km/h, employs an innovative "dual-machine collaboration" construction model, improving track laying efficiency by 40% to 50% [2] - Advanced welding technology and a smart engineering scheduling platform have been implemented to ensure high precision and safety in the construction process, enhancing the overall operational reliability of the railway [2] Group 2: Baoyin High-Speed Railway (包银高铁) - The Baoyin High-Speed Railway, which connects Baotou and Yinchuan, has achieved full-line operation with the opening of the Baotou to Huinong section, covering a total length of 519 kilometers and designed for a speed of 250 km/h [4][5] - The newly opened section includes 10 stations, with travel times significantly reduced; for instance, the journey from Baotou to Huinong takes approximately 2 hours and 7 minutes, cutting down travel time by over 2 hours compared to conventional trains [4] - The Baoyin High-Speed Railway plays a crucial role in the national "eight vertical and eight horizontal" high-speed rail network, enhancing connectivity in Inner Mongolia and facilitating regional economic development [5] Group 3: Guangzhou-Zhanjiang High-Speed Railway (广湛高铁) - The Guangzhou-Zhanjiang High-Speed Railway is set to open, connecting major cities and significantly reducing travel time, with the fastest journey from Guangzhou to Zhanjiang taking just 1 hour and 32 minutes [7] - The railway spans 401 kilometers and is designed for a speed of 350 km/h, with an initial operation plan of up to 64 train services daily [7] - The implementation of a flexible pricing mechanism aims to support regional economic growth and improve accessibility within the Guangdong-Hong Kong-Macau Greater Bay Area [7]