Line 6 (Chongqing Rail Transit)
CRT Line 6 is the second heavy rail subway line in Chongqing, as well as being the longest rapid transit line in China, at long. It opened with provisional revenue service on September 28, 2012, and connects Nan'an, Yuzhong, and Jiangbei districts in central Chongqing.
The eastern extension of line 6 convers a distance of 6.79 km, this extension starts from Liujiaping and branches off towards Chongqingdong Railway Station, with 2 stations in between. The project began on 28 March 2022. It is opened in 27 June 2025.