Baoji to Chengdou railway(宝成铁路) is first railway between northwest and southwest of China ,about 669 km long,
construction began in July 1952, completed in 1958,and in 1975,it become the first electrified railway of China.
Chengdou to Kunming railway(成昆铁路)is the most difficult railway after liberation, about 1100 km long,lasted 12 years.Because of natural and construction conditions,a lot of people laid down their lives for this railway.
In 2008, China bulit the first more than 300 km an hour of highspeed railway-the Beijing-Tianjin inter-city railway. In 2009, the longest, the highest high-speed railway was inoperationWuhan-Guangzhou passenger special line.
October 12, 2003,Qin-Shen railway which is regarded as the China’s first passenger special line is in operation. Special line railway designed speed of 200 km an hour, with the top speed of 300 km.