Hunan–Guangxi railway
The Hunan–Guangxi railway or Xianggui railway (), is a mostly electrified railroad in southern China that connects Hunan province and the Guangxi Zhuang Autonomous Region. The shortform name of the line, Xianggui, is named after the Chinese short names of Hunan, "Xiang" and Guangxi, "Gui". The line runs from Hengyang in Hunan to Friendship Pass on Guangxi's border with Vietnam. Major cities along route include Hengyang, Yongzhou, Guilin, Liuzhou, Nanning, Pingxiang, and Friendship Pass. History. The original single-track Xianggui Line was built in sections from 1937 to 1939 and 1950–1955. In December 2008, construction began  on a capacity-expansion project to a new pair of electrified tracks from Hengyang to Nanning, which would create a three-track line of between Hengyang and Liuzhou and a four-track line of between Liuzhou and Nanning. The expansion project was completed in December 2013. The new double-track from Hengyang to Liuzhou is called the Hengyang–Liuzhou intercity railway and the new double-track from Liuzhou to Nanning is called the Liuzhou–Nanning intercity railway. , the southernmost section of the Xianggui Line, from Nanning to Pingxiang on the Vietnamese border, is undergoing capacity expansion to accommodate high-speed  trains. Passenger service. The Hunan–Guangxi railway is used by most trains traveling from Beijing, Shanghai, and other points in eastern China to Guangxi (Guilin, Nanning) and to the Vietnamese border. This includes the Beijing–Nanning–Hanoi through train. At the end of 2013, high-speed passenger service was introduced on the Hunan–Guangxi railway as well. A direct G-series trains from Beijing makes it to Guilin in about 10.5 hours. D-series trains continue from Guilin to Nanning, taking less than 3 hours for the trip.