Taiyuan southwest ring line

Construction of the line was discussed as early as 2008.^[2] The line opened on 11 December 2019.^[3]

The line is 55.5 kilometres (34.5 mi) long and has three tunnels with a combined length of over 20 kilometres (12 mi).^[3] The line allows freight services to bypass Taiyuan and Taiyuan South stations and avoid central Taiyuan. It also connects freight stations including Zhongdingwuliuyuan railway station.