Line 1 (Changsha Metro)
Line 1 of the Changsha Metro () is a line of the Changsha Metro that runs across Changsha, from Kaifu District Government in the north to Shangshuangtang in the south. It serves 20 stations over 23.55 km, and is coloured red on the system map. It first began operations on June 28, 2016. History. The first phase of the line, spanning from Kaifu District Government to Shangshuangtang, commenced construction work on December 26, 2010. Excavation work was completed on October 2015, and the section was opened on June 28, 2016. Rolling stock. Services on the line are  provided by a fleet of 23 Type B train sets manufactured by CRRC Zhuzhou. These train sets run in a six-car formation and have a top speed of , and have double-layered flooring installed for noise reduction and improved passenger comfort. Future plans. A 5-station, 9.93 km long extension north to Caixia Road from Kaifu District Government began construction on October 16, 2020.