Chongqing–Kunming high-speed railway explained

The Chongqing–Kunming high-speed railway is a high-speed railway line currently under construction in China. The line, which runs from Chongqing West to Kunming South, will be part of the Beijing–Kunming corridor. The line will be 699km (434miles) long and have a maximum speed of 350km/h.^[1]

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

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 standard.^{[2] [3]}

History

Construction on the Sichuan section began on 29 September 2019.^[4] Construction on the Yunnan section began on 20 December 2019.

Notes and References

1. Web site: 渝昆高铁云南段开工 . gov.cn . 20 April 2021 . zh . 20 December 2019. Construction starts on the Yunnan section of the Chongqing–Kunming high-speed railway.
2. Web site: 世界最长高铁隧道进入主体施工_渝昆_彝良_建设 . 2022-09-23 . www.sohu.com . en.
3. Web site: 世界最长高铁隧道进入主体施工 每经网 . 2022-09-23 . www.nbd.com.cn.
4. Web site: 渝昆高铁四川段项目建设正式启动 . 20 April 2021 . zh . 29 September 2019. Construction starts on the Sichuan section of the Chongqing–Kunming high-speed railway.