The line, which runs from Chongqing West to Kunming South, will be part of the Beijing–Kunming corridor.

[1] Journey times from Kunming to Chengdu and Chongqing are expected to be around two hours.

[1] Part of the line is the Yiliang tunnel, on the border of Yiliang County and Yanjin County, which would become the longest high-speed railway tunnel built for to a 350 km/h (217 mph) standard.

[4] Construction on the Yunnan section began on 20 December 2019.

[1] This People's Republic of China rail-related article is a stub.