摘要
Railway building in W China sped up China would extend railways to more than 50,000 kilometers in its vast western regions by 2020,a senior railway official said on November 24, 2009. More investment will be made in railway construction in the western regions in the coming several years to serve local economic and social de-
The Wuhan-Guangzhou high speed railway, three, will start a trial operation on December 20.