独家｜全国高铁线路按时速350公里运营区段达20个

Core Points - The Shanghai-Kunming high-speed railway segment from Hangzhou East to Changsha South will operate at a standard speed of 350 km/h starting July 1, further reducing travel time between cities in the Yangtze River Delta and central-western regions [1][2] - The total number of high-speed rail lines operating at 350 km/h in China has reached 20, with the addition of the Hangzhou-Changsha segment [2][3] Group 1: High-Speed Rail Operations - The Shanghai-Kunming high-speed railway segment has implemented safety standard demonstration line construction, including upgrades to various systems such as tracks and signaling [1] - The number of benchmark trains operating on the Hangzhou-Changsha segment has increased significantly, with 46 benchmark trains scheduled, an increase of 36 trains compared to before [1][2] - The new CR400BF-AS model trains have been added to the fleet, bringing the total number of types of CR trains in the Shanghai Railway Bureau to 11, with a total of 283 trains [2] Group 2: Travel Time Reductions - Travel times have been significantly reduced, with the fastest journey from Hangzhou to Nanchang taking 1 hour and 58 minutes (a reduction of 15 minutes) and to Changsha taking 3 hours and 12 minutes (a reduction of 23 minutes) [2] - The fastest journey from Shanghai to Nanchang and Changsha is now 2 hours and 46 minutes and 4 hours, respectively, with reductions of 14 minutes and 22 minutes [2] - Travel times from Shanghai to Guiyang and Kunming have also been reduced to 6 hours and 54 minutes and 9 hours and 35 minutes, respectively, with reductions of 1 hour and 18 minutes and 2 hours and 3 minutes [2] Group 3: High-Speed Rail Network Overview - The 20 high-speed rail lines operating at 350 km/h include major routes such as the Beijing-Shanghai and Beijing-Guangzhou high-speed railways, with varying lengths and operational segments [3][4] - The Beijing-Shanghai high-speed railway has the highest proportion of 350 km/h operational segments, while the Hangzhou-Wenzhou high-speed railway has the lowest proportion at only 10% [3] - Eight railway bureau groups currently do not have any operational segments at 350 km/h, but there are plans for future expansions and upgrades to include more high-speed rail lines [4]