Chengdu-Guiyang high-speed railway is a major trunk high-speed railway between the provincial capitals of Chengdu, Sichuan and Guiyang, Guizhou via a small section traversing north east Yunnan province.

It was selected for construction under the 11th Five Year Plan set by the Chinese Government.

[citation needed] The northern section of this line between Chengdu and Leshan forms the southern part of the operational Chengdu–Mianyang–Leshan intercity railway.

The 648 km (403 mi) route commences at Chengdu East, the line proceed south to Leshan and Yibin with in Sichuan before crossing the border into north east Yunnan at Zhaotong, Yiliang County, Zhenxiong County.

There is a 31 km (19 mi) branch from this route at Leshan to serve the large tourist demands at Emei Shan.