& shy; The reporter learned yesterday that China Railway Corporation adjusted and optimized the National Railway train operation map in 15th day of next month, adding more than 300 pairs of passenger trains. Today, Nanchang Railway Bureau held a news briefing, and the relevant content can be reported tomorrow. & shy; It is understood that this map adjustment will give full play to the advantages of high-speed rail, taking the Beijing-Shanghai and Beijing-Guangzhou high-speed rail as the main framework, re-compile the high-speed rail operation map, increase the number of bullet trains, and the total number of EMU trains will reach more than 2100 pairs; breaking through the general-speed train operation mode with municipalities directly under the central government and provincial capital cities as the main nodes, a large number of additional ground-level cities will start and end with general-speed trains, focusing on arranging third-line and fourth-line city stations, further improve the traffic conditions between small and medium-sized cities; Give full play to the comparative advantages of railway in medium and long distance transportation, and arrange to add 100 pairs of passenger trains in central and western regions. & shy; Today, Nanchang Railway Bureau will announce the operation plan inside the pipe, involving specific train times, routes, time, etc. Passengers can log on to the website of China Railway Customer Service Center 12306 and the official microblog and WeChat of the railway. (Reporter Li Hui)