Changchun Rail Transit is a rapid transit and light rail system in the city of Changchun, Jilin Province, China. Its first line, Line 3, is the first true light rail line in Mainland China. The system consists of three light rail lines and two rapid transit lines. Currently the total length of the network is 111.2 kilometers (69.1 mi) with 100 stations. Changchun Railway Station is an underground station with one platform and two side tracks per line. Line 1 runs through the station in a north-south direction, and Line 3 runs in a west-east direction.