Newshot Chongqing's first fully automated urban rail express line opens with a maximum design operating speed of 140 km/h
IT Home, November 12: According to "Chongqing Release," the Jinkou–Liangjiang Movie City section of Chongqing Rail Transit Line 15 officially opened for operation today (the 12th).
This is Chongqing's first fully automated urban rail express line. Chongqing Rail Transit Line 15 has a total length of 72 kilometers, running from Zengjia Station in the west to Liangjiang Movie City Station in the east, with 25 stations in total. It crosses three major valleys and will further improve the efficiency of long-distance, cross-regional commuting.
The Jinkou–Liangjiang Movie City section is the first section of Rail Transit Line 15 to be put into operation, with a total length of about 48 kilometers and 18 stations. The line starts at Jinkou Station in Shapingba District and passes through Lixue Road Station, Jinshan Temple Station, Happy Valley Station, Chongguang Interchange Station, Chongguang Station, Jinfu Road Station, Jintong Road Station, Guotang Road Station, Southwest University of Political Science and Law Station, Baosheng Lake Station, Shuanglong Lake Station, Jiangbei Airport T3 Terminal Station, Tianbao Station, Longgang Avenue Station, Fusheng Station, and Fuhui Avenue Station, ending at Liangjiang Movie City Station in Liangjiang New Area.
The trains use six-car urban rail express vehicles, with a maximum design operating speed of 140 km/h, making this the fastest rail transit line currently operating in Chongqing's central urban area.
The line is the first to adopt a GoA4-grade fully automated operation system. Five core professional areas—vehicles, communications, signaling, integrated supervision, and platform screen doors—work in coordination around more than 170 operational scenarios, achieving fully automated operation across multiple disciplines, multiple links, and multiple scenarios.
The urban rail express control center in Liangjiang New Area coordinates data such as train operations, equipment status, and passenger flow monitoring, enabling precise management and control of the entire process from train departure from the depot to return. The trains are equipped with a fault prediction and health management system that monitors equipment conditions in real time and automatically warns of hidden risks, driving a shift in the maintenance model from "scheduled maintenance" to "condition-based maintenance."
IT Home note: According to the International Association of Public Transport (UITP), Grades of Automation (GoA) are divided into five levels, GoA0 to GoA4. Among them, the fourth grade (GoA4) represents unattended operation, in which train operation, stopping, door opening and closing for boarding and alighting, and handling of emergencies are all fully automated, with no staff on board. Typically, such trains have no barrier between the traditional driver's cab area and the passenger compartment.
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