CR450动车组已完成30万公里测试 预计2026年完成运用考核

Core Insights - The CR450 high-speed train prototype has completed nearly 300,000 kilometers of operational testing, with a target of 600,000 kilometers before mass production and operation [1][2] - The China Railway Science Research Institute (CRSRI) announced that comprehensive testing under near-operational conditions will begin on the Chengdu-Chongqing line in 2026 [1] - The CR450 train has achieved a single-unit speed record of 453 kilometers per hour and a relative meeting speed of 896 kilometers per hour during tests [2] Group 1: Testing and Development - The CR450 prototype has undergone a year-long operational assessment, with various tests conducted at multiple high-speed rail segments [2] - Key technological advancements include improvements in drag reduction, energy consumption, vibration reduction, noise reduction, and lightweight system integration [2] - The Chengdu station engineering for the Chengdu-Chongqing high-speed rail line has made significant progress, completing critical construction work by January 16, 2026 [2] Group 2: Strategic Importance - The Chengdu-Chongqing high-speed rail line is a crucial part of China's "eight vertical and eight horizontal" high-speed rail network, enhancing connectivity in the region [4] - The project aims to optimize technologies for high-speed operations at 400 kilometers per hour, which is significant for the development of the CR450 train [3] - The completion of the Chengdu-Chongqing line will further compress travel times between the two cities and support the economic development of the Chengdu-Chongqing area [4]