Chongqing–Kunming high-speed railway

4 ft 8+1⁄2 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

Legend km Chongqing–Xi'an HSR to Xi'an East Lanzhou–Chongqing railway to Lanzhou link to Chongqing North, Shapingba Chongqing West Chongqing–Guiyang HSR to Guiyang North Chongqing–Guiyang railway to Guiyang North Chongqing West EMU depot link to Chongqing–Wanzhou HSR to Chongqing East 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 Chengdu–Guiyang HSR Chengdu East ↔ Guiyang East 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[a] Changshui Airport link to Kunming West, Kunming Kunming South Nanning–Kunming HSR to Nanning Kunming–Yuxi–Hekou railway to Yuxi km 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

References