PROFILPELAJAR.COM

Chongqing–Kunming
high-speed railway
渝昆高速铁路
Chongqing–Kunming; high-speed railway; 渝昆高速铁路
Overview
Status	Under construction
Termini	Chongqing West; Kunming South;
Service
Operator(s)	China Railway High-speed
Technical
Line length	699 km (434 mi)
Number of tracks	2
Track gauge	1,435 mm (4 ft 8+1⁄2 in)
Minimum radius	Normal: 7,000 m (4.3 mi); difficult: 5,500 m (3.4 mi)
Electrification	25 kV 50 Hz AC (Overhead line)
Operating speed	350 km/h (217 mph)
Maximum incline	Normal: 2%; difficult: 3%
Route map
Route map
	Legend
	link to Chongqing–Wanzhou HSR
	to Chongqing East
	Chengdu–Guiyang HSR
	Chengdu East ↔ Guiyang East
	This diagram: view; talk; edit;

The Chongqing–Kunming high-speed railway (Chinese: 渝昆高速铁路) 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 699 kilometres (434 mi) long and have a maximum speed of 350 kilometres per hour (220 mph).^[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.^[2]^[3]

History

Construction on the Sichuan section began on 29 September 2019.^[4] Construction on the Yunnan section began on 20 December 2019.^[1]

Notes

^ A new Songming station will be built on the Chongqing–Kunming HSR to the southwest of Songming station on the current Shanghai–Kunming HSR and the Shanghai–Kunming HSR will be rebuilt to run through the new station

References

^ ^a ^b ^c "渝昆高铁云南段开工" [Construction starts on the Yunnan section of the Chongqing–Kunming high-speed railway] (in Chinese). gov.cn. 20 December 2019. Retrieved 20 April 2021.
^ "世界最长高铁隧道进入主体施工_渝昆_彝良_建设". www.sohu.com. Retrieved 2022-09-23.
^ "世界最长高铁隧道进入主体施工 | 每经网". www.nbd.com.cn. Retrieved 2022-09-23.
^ "渝昆高铁四川段项目建设正式启动" [Construction starts on the Sichuan section of the Chongqing–Kunming high-speed railway] (in Chinese). 29 September 2019. Retrieved 20 April 2021.