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 11 operating lines and 233 stations spanning 326.5 km (202.9 mi).
Wuhan Metro is a rapid transit system serving the city of Wuhan, Hubei, China. Owned and operated by Wuhan Metro Group Co., Ltd., the network now includes 12 lines, 312 stations, and 518 kilometres of track length. With 1.35 billion annual passengers in 2023, Wuhan Metro is the sixth-busiest rapid transit system in mainland China. There are a number of lines or sections under construction.
Line 5 is a north–south rapid transit line of the Shanghai Metro network, running from Xinzhuang station in Minhang District in the north to Fengxian Xincheng in Fengxian District was originally planned as the Minhang and Fengxian sections of line 1 extending south to Minhang. Despite its numeric designation, it was the fourth Shanghai Metro line to enter passenger service, opening on 25 November 2003. The line is colored violet on system maps.
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 has fifteen 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 3rd 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.
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 third-longest single-line subway line in China, after Line 6 in Chongqing, which is 85.6 km (53.2 mi) long and Line 7 in Wuhan with a length of 83.6 km (51.9 mi). The line is colored brown on system maps.
Line 7 of the Beijing Subway is a rapid transit line in Beijing. It runs parallel and to the south of Line 1 and Batong line, from the Beijing West railway station in Fengtai District to Universal Resort in Tongzhou District. Like Line 6, Line 7 provides additional relief to the overcapacity Line 1 adding another east–west trunk line to the Beijing Subway network. The line uses 8-car Type B trains. Line 7's color is light orange.
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.
Ningbo Rail Transit, also known as the Ningbo Metro, is a rapid transit system serving the city of Ningbo, Zhejiang and its suburbs. Five metro lines are in operation and one more is 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.
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 Foshan Metro is the rapid transit system of the city of Foshan in Guangdong, China. Guangfo line is operated by Guangzhou Metro Corporation, and all other lines are operated by the state-owned Foshan Metro Group. It is the tenth metro system to be built in mainland China. Construction began in 2002 and the first line opened on 3 November 2010. The metro system has one new line and one extension under construction.
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.
Line 18 of the Guangzhou Metro is a rapid transit express line in Guangzhou with trains operating up to 160 km/h (99 mph). It runs in a south-north direction, connecting Wanqingsha in Nansha District, Panyu Square in Panyu District, Modiesha in Haizhu District, Zhujiang New Town and Guangzhou East Railway Station in Tianhe District. The line commenced service on 28 September 2021.
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.
