Chongqing Rail Transit Loop is the backbone of Chongqing Rail Transit Network and the only closed loop, and its identification color is lemon yellow. The Northeast Half Ring Road (Chongqing Library-Strait Road) 01812.2814 was put into trial operation. Trial operation of the Southwest Half Ring Road (Strait Road-Erlang) 201Feb. 30, 9 14; The remaining sections (Erlang-Chongqing West Railway Station-Chongqing Library) were put into trial operation on 20021+654381October 20th.
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Chongqing rail transit loop is 50.88km long, of which the underground line is about 42km long, the overhead line is about 8km long, and the transition section is about 1km. The line starts from Chongqing West Railway Station, passes underground to the north side of Chongqing University Station, turns into elevated, and crosses Jialing River by using Gaojia Garden Track Bridge.
After crossing the river, cross the Yangtze River at the underground 15km in the north of Jiangbei, use the special rail transit passage at the lower level of Chaotianmen Bridge, then go underground, pass through Marble Station and Shanghao Station, then go overhead, pass through Haitangxi Station, Luojiaba Station and Shikong Station, then go underground again, climb out of the ground at the east bridge head of Egongyan Bridge after passing through Zhaojiaba Interchange, and use Egongyan Railway Bridge to cross the Yangtze River and cross the river.