The Shanghai–Kunming Railway or Hukun Railway (simplified Chinese: 沪昆铁路; traditional Chinese: 滬昆鐵路; pinyin: hùkūn tiělù), also known as the Hukun Line, is a major arterial railroad across eastern, south central and southwest China. It connects Shanghai, whose shorthand name is Hu, and Kunming. The line has a total length of 2,690 km (1,670 mi) and passes through Shanghai Municipality, Zhejiang, Jiangxi, Hunan, Guizhou and Yunnan Province. Major cities along route include Shanghai, Jiaxing, Hangzhou, Yiwu, Jinhua, Shangrao, Yingtan, Pingxiang, Zhuzhou, Huaihua, Kaili, Guiyang, Anshun, Qujing, and Kunming.

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Shanghai–Kunming railway 沪昆铁路
The Erdaoyan Station on the Guikun Section of the Shanghai-Kunming Railway in Guizhou
Overview
Status	Active
Termini	Shanghai Shanghai South Kunming
Service
Type	Heavy rail
Operator(s)	China Railway
Technical
Line length	2,690 km (1,670 mi)
Track gauge	1,435 mm (4 ft 8+1⁄2 in) standard gauge
Electrification	25 kV 50 Hz AC
Route map Legend km elev Shanghai North Shanghai Outer ring line former Inner ring line Shanghai West Shanghai–Nanjing ICR to Nanjing Beijing–Shanghai railway to Beijing Nanxiang marshalling yard Beijing South, Nanjing, Nanjing South Shanghai–Nanjing ICR Beijing–Shanghai HSR Shanghai Hongqiao Fengbang Qibao Lijiatang 0 Shanghai South Xinzhuang Chunshen (goods yard in the middle, passenger platforms outside) Xinqiao Jinshan railway to Jinshanwei 26 Songjiang Shihudang Fengjing Jiashan Jiaxing East 80 Jiaxing Shanghai–Kunming HSR from Shanghai Hongqiao Mawangtang 108 Haining Xieqiao Chang'anzhen Shanghai–Kunming HSR from Shanghai Hongqiao Nanjing–Hangzhou HSR from Nanjing South Linping Xuancheng–Hangzhou railway from Xuancheng Qiaosi marshalling yard Jianqiao (bypass line on left, main line on right) Genshanmen 167 Hangzhou East Hangzhou Nanxingqiao Qiantang River Bridge New Qianjiang Railway Bridge (centre) Second Qianjiang Bridge (right) Qiantangjiang Xiaoshan West Yingning Hangzhou South Xiaoshan–Ningbo railway to Ningbo Hangzhou–Fuzhou–Shenzhen railway to Shenzhen North Xiaoshan Hangzhou–Huangshan ICR to Huangshan North Meichi Zhuji East Zhuji Shanghai–Kunming HSR Paitou Pujiang 312 Yiwu Yiwu West Tangya Jinhua South Jinhua–Wenzhou railway Jinhua–Wenzhou HSR to Wenzhou Dongxiao Jinhua East marshalling yard 360 Jinhua Jinhua line to Jinhua West Jinhua–Qiandaohu railway to Qiandaohu South Jinhua river Bailongqiao Jiangtang Tangxi Longyou East Longyou Quzhou East 446 Quzhou Shanghai–Kunming HSR Quzhou–Jiujiang railway to Jiujiang Houxijie Jiangshan Shangpu Hecun Xintangbian Shanghai Group Nanchang Group Huyan Yushan Guangfeng Hefei South Hefei–Fuzhou HSR Fuzhou 557 Shangrao Shanghai–Kunming HSR Shangrao–Qianshan railway to Qianshan West Fenglingtou Kengkou Hengfeng–Fuzhou railway from Fuzhou Hengfeng Yiyang Hetanbu Anhui–Jiangxi railway from Huolonggang Guixi Tongjia Yingtan marshalling yard Yingtan–Xiamen railway to Xiamen 673 Yingtan Yujiang Dongxiang Yaqian Yaqian Shanghai–Kunming HSR to Nanchang West Wenjiazhen Fu River bridge Liangjiadu Beijing–Kowloon railway to Beijing West Xiangtang West marshalling yard Liangjiadu–Tangang grand bridge Jiangjia Beijing–Kowloon railway to Changping Nanchang West Xiangtang–Putian railway Fuzhou Tangang Fengcheng Fengcheng–Luoshi railway to Luoshi from Meilin Tuochuanbu Zhangshu Gan River Zhangjiashan Zhangjiashan–Shangtang railway to Shangtang Linjiangzhen Huangtugang Luofang Xinyu Hexia Fenyi–Wenzhu railway from Wenzhu Fenyi Binjiang Shanghai–Kunming HSR from Nanchang West Yichun Yichun West Xicun Shanghai–Kunming HSR to Changsha South Luxi Gaokeng railway from Gaokeng Quanjiang Baiyuan Pingxiang Yaojiazhou Dengxinqiao Nanchang Group Guangzhou Group Liling–Chaling railway to Qinglu Liling Dongchongpu Wulidun Changsha–Zhuzhou–Xiangtan ICR from Zhuzhou South Beijing–Guangzhou railway Guangzhou 1,125 Zhuzhou Changsha–Zhuzhou–Xiangtan ICR to Changsha West Tianxin Zhuzhou North marshalling yard Beijing–Guangzhou railway to Fengtai Beijing West Beijing–Guangzhou HSR Guangzhou South Shilichong Xiangtan East Changsha–Zhuzhou–Xiangtan ICR from Changsha West Xiang River 1,151 Xiangtan Jiangshe Yunhuqiao Xiangshao Shaoshan railway to Shaoshan Xiangxiang Shuangjiang Pu'antang Qiziqiao Shaoyang North Shanghai–Kunming HSR Changsha South Shengxiqiao Yiyong railway from Yiyang East Loudi East 1,250 Loudi Yiyong railway to Yongzhou Baimujing Yangshi Lianyuan Shiquan Jinzhu Shan Lengshuijiang East Lengshuijiang West Xinhua Jintan Xihe Hengyang Shan Tuanjie Shan Anhua Qujiang Yanxi Xinshengli Dizhuang Chuanshui Xupu Simeng Dajiangkou Chenxi Xiaolongmen Huaqiaozhen Luyang Huaihua East Yueshan Jiaozuo–Liuzhou railway Liuzhou 1,565 Huaihua Chongqing–Huaihua railway to Tuanjiecun Gongping Kunming South Shanghai–Kunming HSR Shaoyang North Zhijiang West Lengshuipu Bozhou Xinhuang Guangzhou Group Chengdu Group Dalong Yuping 1,746 Zhenyuan 1,834 Kaili Guiding Gaopingpu Guiyang–Guangzhou HSR from Guangzhou South Mazhipu Guizhou–Guangxi railway from Liuzhou Longli link from Longli North on Guiyang–Guangzhou HSR Laoluobao Datu Guiyang–Guangzhou HSR from Guiyang North from Dagaimao freight yard Guiyang South 2,022 Guiyang Sichuan–Guizhou railway to Chongqing Sichuan–Guizhou railway to Qianlingshan Guiyang West Huapo to Huaxi Shibanshao Guiyang ring railway from Longdongbao Guiyang ring railway to Guiyang North Huchao Hulin new line Machang Shanghai–Kunming HSR from Guiyang North Gaofeng Pingba Xinpingba Tianlong Liangsuotun 2,119 Anshun Yaopu Shanghai–Kunming HSR to Kunming South Huangtong Huachu Yaodayong 2,175 Liuzhi Nayu Xinyao Guanqin Erdaoyan Cichong Lanba Shuangshui Anshun–Liupanshui ICR from Anshun West 2,271 Liupanshui Liupanshui South marshalling yard Shuangshui–Dawan railway Liupanshui–Baiguo railway to Hongguo Caojiawan Maga Putaojing Meihuashan Neijiang–Kunming railway to Neijiang Wumengshan No. 2 tunnel (12,260 m) Banuokuai Beikaizhu Sanlian tunnel (12,214 m) Qiewu Chengdu Group Kunming Group 2,402 Xuanwei Panxi railway to Hongguo Zhanyi 2,503 Qujing Nanning–Kunming railway from Nanning Kunming East marshalling yard 2,660 Kunming Chengdu–Kunming railway to Chengdu km This diagram: view talk edit

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The Hukun Line is double track from Shanghai's South Station to Liupanshui and single-track railway for about 400 kilometres (250 mi) from Liupanshui to Kunming. The speed limit for the line is 200 kilometres per hour (120 mph) from Shanghai to Zhuzhou and 120 kilometres per hour (75 mph) from Zhuzhou to Huaihua. The entire line is electrified.

The Shanghai–Kunming high-speed railway runs parallel to the Shanghai–Kunming Railway.

The Shanghai–Kunming Railway has four major segments, which were built over a span of 70 years. In 2006, after the Ministry of Railways rebuilt sections along route and increased train travel speed, the four lines were collectively referred to as one.

• Shanghai–Hangzhou Railway (Huhang Line 沪杭铁路; 滬杭鐵路; Hùháng Tiělù), 189 km (117 mi) in length, was built between 1906 and 1909 and connects Shanghai and Hangzhou.
• Zhejiang–Jiangxi Railway (Zhegan Line 浙赣铁路; 浙贛鐵路; Zhègàn Tiělù), 946 km (588 mi) in length, was built between 1899 and 1937 and connected Hangzhou, the capital of Zhejiang Province, with Zhuzhou, in northern Hunan province.
• Hunan–Guizhou Railway (Xiangqian Line 湘黔铁路; 湘黔鐵路; Xiāngqián Tiělù), 905 km (562 mi) in length, was begun in 1937, halted in 1939 by World War II, restarted in 1953 and completed in 1975. It runs from Zhuzhou to Guiyang, capital of Guizhou Province.
• Guiyang–Kunming Railway (Guikun Line 贵昆铁路; 貴昆鐵路; Guìkūn Tiělù), 639 km (397 mi) in length, was built between 1958 and 1970, and connects Guiyang and Kunming. It was electrified in 1980.

On May 23, 2010 (UTC+8), a passenger train derailed after heavy rains caused mudslides on the Hukun Line in Jiangxi Province, killing 19 passengers and injuring 71.^{[citation needed]}

• Documentary about the Guikun line.

• List of railways in China