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flag China's high-speed rail expands with new cold-weather, intelligent trains and a 453 km/h CR450 prototype, targeting 50,000 km by end-2025.

flag China's high-speed rail network is expanding rapidly, with the new Shenyang-Baihe line launching the CR400BF-GS train for extreme cold and intelligent operations. flag Track slabs are now produced in 10 minutes with hair-thin precision. flag The CR450 train reached 453 km/h and a relative passing speed of 896 km/h, surpassing 400 km/h—unprecedented globally. flag It features a lighter, aerodynamic design reducing drag by 22%. flag Safety and automation are enhanced by China’s CTCS-3 ATP and ATO systems, while a BeiDou-integrated control system improves accuracy in remote areas. flag By end-2025, the network is expected to exceed 50,000 kilometers.

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