From November 7 to November 10, 2012, the initial design appraisal meeting on Chengdu-Guiyang Railway was held in Beijing. It is said, this passenger-delicated line will be invested with 78 billion RMB. It will connect Chengdu-Mianyang-Leshan Passenger-delicated Line in the west, then pass Jianwei County, Yibin City, Changning County, Xingwen County, Weixin County of Yunnan through Leshan in the east, reach to Guiyang City.