Line 13 of the Beijing Subway is a metro line that serves the northern suburbs of Beijing. On a map, Line 13's route is shaped like an inverted U that arcs north of the city and connects residential suburbs in Haidian, Changping, and Chaoyang Districts with the 2nd Ring Road and Line 2 at Xizhimen and Dongzhimen. With the exception of Dongzhimen and a tunnel between Xi'erqi and Longze, all of Line 13's tracks and stations are located on the surface or elevated above ground. The line is 40.85 km (25.38 mi) and 16 of its 17 stations are on the surface. Line 13's color is yellow. During rush hour, the section between Xizhimen and Wudaokou Stations was reported in 2013 to be the second most congested section in the Beijing subway network, operating at 130% capacity.
The Chengdu Metro is the rapid transit system of Chengdu, the capital of Sichuan, China. With the opening of Line 1 on 27 September 2010, the system had thirteen subway lines and one light rail line. It has subsequently undergone rapid expansion. Since the opening of Lines 6, 8, 9, and 17 on 18 December 2020, the Chengdu Metro is the 4th longest metro system in the world.
Urban rail transit in China encompasses a broad range of urban and suburban electric passenger rail mass transit systems including subway, light rail, tram and maglev. Some classifications also include non-rail bus rapid transport.
The Xi'an Metro, also known as the Xi'an Rail Transit, is a rapid transit system in the city of Xi'an and the neighbouring city of Xianyang, in Shaanxi province, China.
Zhengzhou Metro is a rapid transit rail network serving urban and suburban districts of Zhengzhou, the capital city of Henan province. It is operated by the state owned Zhengzhou Metro Group. As of December 2023, the network has 11 operational lines, with a network length of 344 km (213.8 mi) and 217 stations. Opened on 28 December 2013, it is the first metro system in Henan province, and 18th in mainland China.
Line 15 of the Shanghai Metro is a north-south metro line in the city of Shanghai that opened on 23 January 2021. The line begins at Gucun Park in Baoshan District at its northern end, and terminates at Zizhu Hi-tech Park in Minhang District at its southern end, via Shanghai West Railway Station and Shanghai South Railway Station. It will be 42.3 kilometres (26.3 mi) in length and have 30 stations. The line is one of Shanghai Metro's new batch of high capacity fully automated and driverless lines along with Lines 14 and 18. The line is colored ivory on system maps.
Line 18 is a north–south Shanghai Metro line running from South Changjiang Road station in the city's Baoshan District to Hangtou station in Pudong, with a length of 36.13 km (22.45 mi). The line was originally scheduled to open by the end of 2020. However, officials announced that only the initial segment of eight stations in Pudong started test runs in September 2020. The 14.5 km (9.0 mi) southern section opened for passenger operations on December 26, 2020. The remainder of the line was opened on 30 December 2021. The line is 36.5 km (22.7 mi) long with 26 stations. The line is one of Shanghai Metro's new batch of high capacity fully automated and driverless lines along with Lines 14 and 15. The line is colored earth yellow on system maps.
The Harbin Metro is the rapid transit system of Harbin, the provincial capital of Heilongjiang Province in northeastern China.́ The system began operation on 26 September 2013 with the opening of Line 1. The system has a total of three lines as of November 2021.
Line 21 will be a future subway line on the Shanghai Metro. It will run in a north–south direction through Pudong, connecting Gaohang in Waigaoqiao to the Disney Resort. The first phase will be about 28 km (17 mi) long with 10 stations. Stations will have passing loops to allow for express and local stopping patterns.
The Guiyang Metro is a rapid transit system in the city of Guiyang, Guizhou province, China. It is operated and branded as Guiyang Urban Rail Transit (GYURT).
Wuxi Metro is the rapid transit system of Wuxi, Jiangsu province, China. Line 1 began operations on 1 July 2014, and Line 2 on 28 December 2014. Line 3 opened on 28 October 2020. Line 4 opened on 17 December 2021.
Line 19 of the Beijing Subway is a rapid transit line in Beijing. It is 20.9 km (13.0 mi) in length and has 10 stations. It is fully underground. Line 19's color is lavender.
Line 18 of the Chengdu Metro is a rapid transit line in Chengdu. It starts at Wangcong Temple and ends at Lanjiagou. The total length is 68.223 km (42.4 mi) with 56 stations.
Line 9 of CRT is a rapid transit line in Chongqing, China.
Shaoxing Metro, also known as Shaoxing Rail Transit, is the metro system in Shaoxing, Zhejiang province, China.
Line 30 of the Chengdu Metro is a metro line currently under construction in Chengdu. Line 30's color is Light Pink. Phase 1 runs tangentially on the south side of the Chengdu from Terminal 2 of Shuangliu International Airport East to Longquan Railway Station. Phase 1 is 27.74 km long with 24 stations, all underground. Line 30 will use 6-car Type-B rolling stock operating up to 80 km/h. Line 30 will be served by two depots at Gaobeiba and Hongjiaqiao.
Line 15 of the Xi'an Metro is a rapid transit line currently under construction in Xi'an, Shaanxi Province, China, running from west to east. Phase 1 of Line 15 will be 19.46 km (12.09 mi) long with 13 stations. It is expected to open in 2025.
Line 5 is a rapid transit line of the Kunming Metro, serving the city of Kunming, Yunnan Province, China. The line has a total length of 26.45 km (16.4 mi) and 22 stations. Phase 1 of the line was opened on 29 June 2022.
Pingshanwei station is an interchange station for Line 14 and Line 16 of the Shenzhen Metro. It is located in Pingshan District. Line 14 platforms is opened on 28 October 2022 and Line 16 platforms opened on 28 December 2022.
Dongbabei station is an interchange station under construction between Lines 3 and 12 of Beijing Subway. The station will serve as the eastern terminus of both lines.
Rapid transit 
Shanghai Metro 
