Chongqing–Kunming high-speed railway

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).

Chongqing–Kunming
high-speed railway
渝昆高速铁路
Overview
StatusUnder construction
Termini
Service
Operator(s)China Railway High-speed
Technical
Line length699 km (434 mi)
Number of tracks2
Track gauge1,435 mm (4 ft 8+12 in)
Minimum radiusNormal: 7,000 m (4.3 mi); difficult: 5,500 m (3.4 mi)
Electrification25 kV 50 Hz AC (Overhead line)
Operating speed350 km/h (217 mph)
Maximum inclineNormal: 2%; difficult: 3%
Route map

km
Chongqing–Xi'an HSR to Xi'an East
link to Chongqing North, Shapingba
Chongqing West
Chongqing–Guiyang HSR to Guiyang North
Chongqing West EMU depot
Jiulongpo
Jiangjin North
Yongchuan South
Luzhou East
Luzhou–Zunyi HSR to Zunyi
Luzhou
Mianyang–Luzhou HSR to Neijiang North
Nanxi
Zigong–Yibin HSR to Zigong
Lingang
Xinyibin
Yibin West
Yibin EMU depot
Gaoxian
Yunlian
Yanjin South
Yiliang North
Zhaotong East
Zhaotong–Weining ICR to Liupanshui
Yiche
Huize
Tianba
Xundian
Shanghai–Kunming HSR to Shanghai Hongqiao
Songming
Songming
Changshui Airport
link to Kunming West, Kunming
Kunming South
Nanning–Kunming HSR to Nanning
km

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 350 km/h (217 mph) standard.

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