7月28日上午,重庆首条地铁1号线一期工程正式开通试运营。重庆轨道交通正式进入换乘时代。此次开通的地铁线路于2007年动工修建,共设13个车站,全长15.7 km,是贯穿主城区东西方向的轨道交通主干线。地铁1号线一期工程的列车车辆为6节编组,最大载客量可以达到1 880人,全程运行时间约22 min, On the morning of July 28, the first phase of Chongqing’s first Metro Line 1 officially opened for trial operation. Chongqing Rail Transit officially entered the era of transfer. The subway line opened in 2007 to start construction, a total of 13 stations, a total length of 15.7 km, is the main urban area east-west direction of the main rail transit. Metro Line 1 a project of the train for the 6 groups of marshals, the maximum capacity of up to 1,880 people, the entire run time of about 22 min,