K546 train has 43 stations from Chengdu to Jiamusi, with a total mileage of 3973km.
The K257 train is an air-conditioned express train with a running time of 37 hours and 28 minutes and a total distance of 2,458 kilometers.
High-speed EMU train (prefix G), intercity EMU train (prefix C), ordinary EMU train (prefix D), direct express passenger train (prefix Z), express passenger train (prefix T), express passenger train (prefix K), inter-bureau ordinary passenger express train (100 1-2998)
Express passenger train (prefix K), the maximum speed is 120km/h, and the standard pronunciation of railway system is "express * * times". The whole journey stops at Zhong Da Station in prefecture-level cities, and there are also a few direct flights. More than 95% of these trains are air-conditioned trains. Among them, K 1-K2000 is an inter-bureau train, and K700 1-K9850 is an in-pipe train.
Except Harbin Bureau, more than 90% of such trains in other bureaus are air-conditioned trains (only half of the express trains in Harbin Bureau are air-conditioned trains). Among them, Harbin Bureau K 700 1 ~ K 7300, Shenyang Bureau K 730 1 ~ K 7600, Beijing Bureau K 770 1 ~ K 7800, Taiyuan Bureau K 780 1 ~ K 7900 and Hohhot Bureau K 790/KLOC-.
Wuhan bureau k8051~ k8701~ k9000, Xi 'an bureau K8 15 1 ~ K8250, Jinan bureau K825 1~K8350 ~ K8350, Shanghai bureau k8350. Nanning Bureau K930 1~K9350 ~ K9350, Chengdu Bureau K935 1~K9600 ~ K9600, Kunming Bureau K960 1~K9660 ~ K9660, Lanzhou Bureau K96/KLOC-0.