The Tianjin Metro or Tianjin Rail Transit is the rapid transit system in the city of Tianjin, which was the second city in mainland China after Beijing to operate a subway system. First opened in 1984, the system currently has 10 operating lines and 218 stations spanning 301 km (187.0 mi).
The Nanjing Metro is a rapid transit system serving the urban and suburban districts of Nanjing, the capital city of Jiangsu Province in the People's Republic of China.
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 Shenyang Metro is a rapid transit system serving the city of Shenyang, Liaoning, China. It's the seventh operational subway system in Mainland China and the first in Northeast China.
Line 11 is a northwest–southeast line of the Shanghai Metro network. Since October 2013, Line 11 serves Kunshan city, making it is the second intercity metro in China after the Guangfo Metro and the first that crosses a provincial boundary. With a single-line mileage of 82.386 kilometres (51.192 mi), it is the second-longest single-line subway line in China, after Line 6 in Chongqing, which is 85.6 km (53.2 mi) long. The line is colored brown on system maps.
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.
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.
Qingdao Metro is a rapid transit system in Qingdao, Shandong province, China. The first line, Line 3 began operation on December 16, 2015.
Ningbo Rail Transit, also known as the Ningbo Metro, is a rapid transit system serving the city of Ningbo, Zhejiang and its suburbs. Six metro lines are being built inside the urban area of Ningbo, serving Haishu, Jiangbei, Zhenhai, Beilun and Yinzhou. The first phase of Line 1 started construction in June 2009 and began to service the public on May 30, 2014. Line 2 began service on September 26, 2015.
Kunming Metro, or Kunming Rail Transit, is a rapid transit system in Kunming, the capital of China's Yunnan Province. The system currently consists of 6 lines with 2 extensions to existing lines under construction and 3 more lines planned, with a total track length of 164.3 kilometers.
Line 16 of the Beijing Subway is a rapid transit line in Beijing. It is 48.9 km (30.4 mi) in length with 30 stations. The line is fully underground.
The Changsha Metro is a rapid transit system in Changsha, the capital city of Hunan province in China. The first operational line, Line 2, commenced service on April 29, 2014, making Changsha the 18th city in mainland China to open a rapid transit system.
Line 18 of the Chengdu Metro is an express rapid transit line that connects the urban area of Chengdu with Chengdu Tianfu International Airport. Line 18's color is teal. The Phase 1 & 2 of Line 18 is in total 69.39 km in length. It is also the biggest PPP project in China. The section from South Railway Station to Tianfu International Airport North Station started operation on 18 December 2020.
Passenger rail ridership plummeted worldwide amid the COVID-19 pandemic; many services were reduced in frequency or discontinued outright.
Jin'anqiao station is an interchange station on Line 6, Line 11 and Line S1 of the Beijing Subway.
January 4– The Island Line, Isle of Wight temporarily closes for renovations and Class 483 units are withdrawn from service. [1] The cars originally operated on the London Underground starting in 1938.
January 22– Opening of the full Beijing–Shenyang high-speed railway. [2] 
January 28– Opening of Porte de Clichy station on Paris Métro Line 14. [3] 
February 7– Transport for Wales Rail takes over the Wales & Borders franchise from KeolisAmey Wales. [4] 
February 27– Metrorrey Line 3 commences operation in Monterrey, Mexico. [5] 
March 4– Opening of 172 km (107 mi) stretch of North-South Railway. [6] 
March 26– Sohag train collision 
March 27– Line 5 of the Seoul Subway is extended to Hanam Geomdansan. [7] 
April 1– The Moscow Metro Bolshaya Koltsevaya line is extended to Mnyovniki. [8] 
April 1– Formal closure of the Hidaka Main Line in Hokkaido 
April 2– Hualien train derailment 
April 6– The Te Huia passenger service between Hamilton and Papakuri begins, [9] including the opening of a new transit hub in Hamilton. [10] [11] 
April 24– Line 3 of the Sofia Metro is extended from Krasno Selo to Gorna Banya 
May 6– Flixtrain begins operating long-distance passenger services from Stockholm to Gothenburg. [14] 
May 10– SNCF open-access operator Ouigo España begins low-cost high-speed rail passenger services over the Madrid–Barcelona high-speed rail line. [15] 
May 24– Kelana Jaya LRT collision 
June 7– 2021 Ghotki train collision: The Millat Express from Karachi derails near Daharki in Sindh province and the Sir Syed Express coming in the opposite direction collides with it and overturns, killing at least 50. [16] 
June 27– The Tuen Ma Line fully opens, with a new section between Hung Hom and Kai Tak. [17] 
June 30– Metro Express (Mauritius) extended by 2 stations (Phase 2A). [21] 
July 5– Manila LRT Line 2 East Extension opens. [22] 
August 2– SRT Dark Red Line of Bangkok suburban railway system begins operation. [24] 
August 4– Milavče train crash 
August 6– The final section of the Delhi Metro Pink Line between Trilokpuri Sanjay Lake and Mayur Vihar Pocket I opens after being previously delayed due to land acquisition and rehabilitation issues.[ citation needed ]
August 9– The Tampere light rail system begins operation with Lines 1 and 3. [25] [26] [27] 
August 28– Thomson–East Coast MRT line Stage 2 opens. [30] 
August 30– Opening of the Center City Corridor expansion of LYNX streetcar service in Charlotte, North Carolina. [32] 
October 25– Opening of the T3 line of AntRay tram in Antalya between Varsak and Müze stations. [35] 
October 31– Salisbury rail crash 
November 6– Opening of Hanoi Metro. The first line 2A (Cat Linh Line) started to operate. [38] 
– Boten–Vientiane railway opens. [43] 
December 27– TER Dakar phase 1 opening.
