Chongqing, in southwestern China, opened the Jinkou-Liangjiang Film and Television City section of Rail Transit Line 15, the city's first urban express rail line Thursday, pushing its total urban rail network length beyond 600 kilometers.

Line 15 stretches 72 kilometers and has 25 stations. The newly opened section covers about 48 kilometers and includes 18 stations, connecting Jinkou Station in Shapingba District with Liangjiang Film and Television City Station in Liangjiang New Area.

The interior of a train on Chongqing Rail Transit Line 15. (Photo provided to China News Service)

The line is served by six-car urban express trains designed to operate at speeds of up to 140 kph (87 mph), making it the fastest urban rail transit line in downtown Chongqing.

During the initial operating period, the first train departs at 7:30 a.m. and the last at 8:30 p.m. Fares start at 2 yuan (about 30 cents), the same as on other lines already operating in the city.