There are Chongqing Library Station, Shapingba Station, Zheng Sha Street Station, Yudaishan Station, Nanqiaosi Station, Sports Park Station, Ranjiaba Station, Moving Park Station, Tushan Station, Renji Station, Shangxinjie Station, Shanghao Station, Haitangxi Station, Luojiaba Station, 4km Station, Nanhu Station, Xiahai Road Station, Xiejiawan Station, Olympic Sports Center Station and Chen Jiaping Station. Chongqing rail transit loop is Chongqing rail transit. The Northeast Half Ring Road (Chongqing Library-Strait Road) was put into trial operation at 2065438+2008+ 14: 00; Southwest Half Ring Road (Strait Road-Erlang) 19, 12, 30, 14: 00 for trial operation; The remaining sections (Erlang-Chongqing West Railway Station-Chongqing Library) were put into trial operation on1October 20th, 202 1+65438.