| | | |
| Baotou | 2022 | New line, 14.3 km, 11 stations | Line 2. |
| | | |
| Bangkok | 2021 | New line, 30.4 km, | Elevated monorail Yellow Line |
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| Bangkok | 2021 | New line, 34.5 km, | Elevated monorail Pink Line |
| | | |
| Baotou | 2021 | New line, 27.8 km, 22 stations | New metro system, Line 1. |
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| Nagpur | 2020 | 2 new lines, 38 km, 37 stations | New metro system. |
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| Sao Paulo | 2020 | New line, 15.9 km, 15 stations | Line 6 (orange). |
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| Shijiazhuang | 2020 | New line, 16.2 km, 17 stations | Line 2. |
| | | |
| Stockholm | 2020 | 19 km, | Blue Line extension southeast to Nacka Forum and southwest to Hagsätra via Gullmarsplan. |
| | | |
| Toronto | 2020 | New line, 19 km, 25 stations | Crosstown LRT with a 10 km, 12 stations underground portion. |
| | | |
| Berlin | 2019 | 2.2 km, 3 stations | Line U5 extension westwards from Alexanderplatz to Brandenburger Tor, absorbing line U55 to Hauptbahnhof. |
| | | |
| Boston | 2019 | 3 stations | Green Line extension to Gilman Square, Lowell Street, Ball Square, and College Avenue |
| | | |
| Copenhagen | 2019 | 2 stations | Line M4 from Østerport to Nordhavn. |
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| Dongguan | 2019 | New line, | New line R1 planned to connect to Guangzhou's Pearl River metro line. |
| | | |
| Frankfurt | 2019 | New line, 2.7 km, 4 stations | Line U5 western extension from Hauptbahnhof to Wohnpark. |
| | | |
| Honolulu | 2019 | 16 km, 11 stations | Extension from Aloha Stadium to Ala Moana Center via downtown Honolulu. |
| | | |
| Lille | 2019 | 5 km, 4 stations | Southern Line B extension to Labège-Innopole. |
| | | |
| Macau | 2019 | New line, 21 stations | New driverless, rubber-tyred LRT system. Line 1 to Taipa. |
| | | |
| Paris | 2019 | 6.3 km, 6 stations | Line 11 extension eastwards from Mairie des Lilas to Rosny-Bois-Perrier (link to RER E). |
| | | |
| Paris | 2019 | 2 km, 2 stations | Line 4 extension southwards from Montrouge to Bagneux. |
| | | |
| Quito | 2019 | New line, 22 km, 15 stations | New metro system. |
| | | |
| San Francisco | 2019 | 2.7 km, 4 stations | LRT line T extension from 4th and King/Berry to Chinatown with 3 underground stations. |
| | | |
| Sydney | 2019 | New line, 12 km, 20 stations | CBD and South East Light Rail. |
| | | |
| Urumqi | 2019 | New line, 26.5 km, 20 stations | Line 1. |
| | | |
| Urumqi | 2019 | New line, 21.4 km, 16 stations | Line 2. |
| | | |
| Doha | Dec 2019 | New line, 13.8 km, 6 stations | New metro system, first phase of the Red Line from Msheireb to New Doha International Airport. |
| | | |
| Cairo | Oct 2019 | | Line 4 from 6th District to Makram Ebeid. |
| | | |
| Bogota | 2018 | New line, 24 km, 29 stations | New metro system. |
| | | |
| Copenhagen | 2018 | New line, 15.5 km, 17 stations | Circle line M3. |
| | | |
| Hong Kong | 2018 | 11 km, 6 stations | Ma On Shan Line extension from Tai Wai and Hung Hom to be merged with the West Rail Line, to form the new East-West Line. |
| | | |
| Karlsruhe | 2018 | 3.4 km, 6 stations | Stadtbahn tunnel project putting existing tram lines underground |
| | | |
| Lima | 2018 | New line, 35 km, 27 stations | Line 2. |
| | | |
| London | 2018 | New line, 2 stations | Crossrail with a new tunnel from Liverpool St to Whitechapel, linking to the main line from Stratford to Shenfield. |
| | | |
| London | 2018 | 4 stations | Crossrail extension from Liverpool St with tunnel stations at Farringdon, Tottenham Court Rd, Bond St, and Paddington, linking to main lines to Heathrow and Maidenhead. |
| | | |
| Omsk | 2018 | New line, 6.1 km, 4 stations | New metro system, under construction since 1992. |
| | | |
| Pune | 2018 | New line, 16.6 km, 15 stations | New metro system, Line 1. |
| | | |
| Santiago | 2018 | New line, 22 km, 18 stations | New Line 3. |
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| Shijiazhuang | 2018 | New line, 19.5 km, 15 stations | Line 3. |
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| Sofia | 2018 | New line, 16 km, 19 stations | Line M3. |
| | | |
| Taiyuan | 2018 | New line, 23.7 km, 21 stations | New metro system, Line 2. |
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| Thessaloniki | 2018 | New line, 9.6 km, 13 stations | New metro system. |
| | | |
| Wenzhou | 2018 | New line, | New metro system. |
| | | |
| Hamburg | Dec 2018 | 1.1 km, 1 station | Line U4 extension from Hafencity-Universitaet to Elbbruecken (transfer to line S3). |
| | | |
| Jinan | Dec 2018 | New line, 26.4 km, 14 stations | New line R1. |
| | | |
| Cairo | Oct 2018 | | Line 4 from El-Malek El-Saleh to 6th District. |
| | | |
| Amsterdam | 2017 | New line, 9.5 km, 8 stations | New North-South Line (52). |
| | | |
| Boston | 2017 | 3 stations | Green Line extension via Lechmere and Union Square to Washington St. |
| | | |
| Hangzhou | 2017 | 12 km, 11 stations | Line 2 extension. |
| | | |
| Honolulu | 2017 | New line, 16 km, 9 stations | Driverless LRT line from East Kapolei to Aloha Stadium |
| | | |
| Lanzhou | 2017 | New line, 26.8 km, 20 stations | New metro system, Line 1. |
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| Lucknow | 2017 | 2 new lines, 34 km, 34 stations | |
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| Minsk | 2017 | New line, 4 stations | Line 3. |
| | | |
| Navi Mumbai | 2017 | New line, 11.1 km, 11 stations | Line 1. Navi Mumbai is a suburb of Mumbai. Their metro systems are planned to be connected in the future. |
| | | |
| Paris | 2017 | 5.8 km, 4 stations | Line 14 extension northwards from Saint Lazare to Mairie de Saint Ouen. |
| | | |
| Paris | 2017 | 2 stations | Line 12 extension northwards from Front Populaire to Mairie d’Aubervilliers. |
| | | |
| Riyadh | 2017 | New line, | New monorail system. |
| | | |
| Singapore | 2017 | 21 km, 16 stations | Downtown Line from Chinatown to Expo. |
| | | |
| Tel Aviv | 2017 | New line, 23 km, 33 stations | New LRT system. Red Line with ten underground stations. |
| | | |
| Vienna | 2017 | 4.6 km, 5 stations | Line U1 extension from Reumannplatz to Oberlaa. |
| | | |
| Nice | Dec 2017 | New line, | LRT line with four underground stations in the city centre. |
| | | |
| Santiago | Dec 2017 | New line, 15.3 km, 10 stations | New Line 6. |
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| Hyderabad | 28 Nov 2017 | 2 new lines, 29.8 km, 25 stations | Line 1: 12.2 km, 11 stations; line 2: 17.6 km, 14 stations. |
| | | |
| Lucknow | 5 Sep 2017 | New line, 22.8 km, 22 stations | |
| | | |
| Mecca | Jul 2017 | New line, 11 km, 7 stations | New line from Jamrat to Makkah-Jeddah Expressway |
| | | |
| Nuremberg | Jun 2017 | 2 stations | U3 line northern extension to Nordwestring via Klinikum Nord. |
| | | |
| Kochi | 1 Apr 2017 | New line, 27 km, 22 stations | |
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| Granada | Mar 2017 | New line, 16 km, 26 stations | Light metro with three underground stations. |
| | | |
| Barcelona | 2016 | 18 stations | L9 branch from Zona Universitària to Airport. |
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| Barcelona | 2016 | 16 stations | L9 from Zona Universitaria to Airport. |
| | | |
| Barcelona | 2016 | 8 stations | L10 from Gornal to Zona Franca ZAL. |
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| Fuzhou | 2016 | 16.6 km, 13 stations | Line 2 extension. |
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| Lagos | 2016 | New line, 27.5 km, 13 stations | Marina to Okokomaiko. Subway trains to be acquired from Toronto. |
| | | |
| Rio de Janeiro | 2016 | New line, 6 km, | Line 4 from Nossa Senhora da Paz to Jardim Oceânico. |
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| Sao Paulo | 2016 | 7 stations | Line 5 extension from Brooklin to Chácara Klabin. |
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| Shenzhen | 2016 | New line, 30.3 km, 28 stations | Line 7. |
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| Shijiazhuang | 2016 | New line, 23.0 km, 21 stations | New line 1. |
| | | |
| New York | 31 Dec 2016 | New line, 3 stations | The Second Avenue Subway will connect the Q Line northwards from Lexington Avenue/63rd St station to 96th St with intermediate stations at 72nd St and 86th St. |
| | | |
| Hefei | 26 Dec 2016 | New line, 29 km, 25 stations | New metro system. |
| | | |
| Catania | 20 Dec 2016 | 2 stations | Branch from Galatea to Stesicoro stations. |
| | | |
| Qingdao | 18 Dec 2016 | 12.8 km, 12 stations | Line 3 extension from Qingdao Railway Station to Shungshan. |
| | | |
| Cairo | Oct 2016 | New line, 17 km, | Line 4 from El-Malek El-Saleh to October-Oasis Highway. |
| | | |
| Moscow | 1 Sep 2016 | New line, 54 km, 31 stations | Moscow Ring Railway (Line 14) reopens for passenger use. |
| | | |
| Cologne | Jul 2016 | 4 stations | A section of the new North-South line: Line 17 from Severinstrasse via Kartäuserhof and Chlodwigplatz to Bonner Wall and onwards. |
| | | |
| Nanning | 28 Jun 2016 | New line, 32.1 km, 25 stations | New metro system. |
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| Dongguan | 27 May 2016 | New line, 38.8 km, 15 stations | Line R2. |
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| Fuzhou | 18 May 2016 | New line, 9.7 km, 9 stations | Line 2. |
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| Duesseldorf | 20 Feb 2016 | New line, 3.4 km, 6 stations | The new tunnel through the city centre replaces existing tram lines and links to them at both ends. |
| | | |
| London | Jan 2016 | | Croxley Rail Link, involving a re-routing of Metropolitan Line. |
| | | |
| Hong Kong | 2015 | 3 km, 2 stations | Kwun Tong Line extension from Yau Ma Tei to Whampoa. |
| | | |
| Hong Kong | 2015 | New line, 7 km, 5 stations | South Island Line from Admiralty to South Horizons. |
| | | |
| Kiev | 2015 | New line, | First stretch of Line 4. |
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| Kozhikode | 2015 | New line, 14.0 km, 15 stations | New monorail from MC Hostel to Meenchanda. |
| | | |
| Lima | 2015 | 12.4 km, 10 stations | Line 1 extension from Miguel Grau to Bayovar. |
| | | |
| Nanchang | 2015 | New line, 23.3 km, 21 stations | Line 1. |
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| Nanjing | 2015 | New line, 33.8 km, 18 stations | Line 4. |
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| Sao Paulo | 2015 | 3 stations | Line 5 extenson from Adolfo Pinheiro to Brooklin. |
| | | |
| Shanghai | 2015 | 2 km, | Line 2 will extend eastward, from Xujingdong to Panlong Road. |
| | | |
| Shanghai | 2015 | 9.2 km, | Metro Line 11 will be extended from its Luoshan Road to Disneyland. |
| | | |
| Shanghai | 2015 | 2.6 km, | Line 3 and Line 4, which currently share part of their route, will go their separate ways in a rerouting project. |
| | | |
| Shanghai | 2015 | 6.6 km, | Metro Line 8 will go beyond its Shanghai Aerospace Museum stop to Huizhen Road. |
| | | |
| Shanghai | 2015 | 10 km, | Line 10 extension from New Jiangwan City to Gangchen Road. |
| | | |
| Taichung | 2015 | New line, 16.7 km, 18 stations | New metro system, Green Line. |
| | | |
| Taipei | 2015 | New line, 4 km, 2 stations | Taoyuan Airport MRT line. |
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| Zhengzhou | 2015 | New line, 19.1 km, 16 stations | Line 2. |
| | | |
| Singapore | 27 Dec 2015 | 16.6 km, 12 stations | Downtown Line from Bugis to Bukit Panjang. |
| | | |
| Delhi | Dec 2015 | | Gurgaon Line extension. |
| | | |
| Helsinki | Dec 2015 | 13.5 km, 8 stations | Western extension from Ruoholahti to Matinkylä, completely underground. |
| | | |
| Qingdao | Dec 2015 | New line, 25.1 km, 22 stations | New metro system, Line 3. |
| | | |
| Shenzhen | Dec 2015 | New line, 51.6 km, 18 stations | Line 11. |
| | | |
| Esfahan | 15 Oct 2015 | New line, 11.2 km, 10 stations | New metro. |
| | | |
| Jaipur | 3 Jun 2015 | New line, 12.1 km, 11 stations | New metro system. |
| | | |
| Mexico City | Mar 2015 | | Line 12 extension to Observatorio (connecting to line 1). |
| | | |
| Mumbai | Mar 2015 | 11.2 km, 10 stations | Monorail from Wadala to Jacob Circle (stage 2). |
| | | |
| Ankara | Dec 2014 | New line, | Kizilay-Çayyolu line. |
| | | |
| Ankara | Dec 2014 | New line, 11.5 km, | Tandogan-Keçiören line. |
| | | |
| Chicago | Dec 2014 | 1 station | Cermak-McCormick Place infill station on the Green Line. |
| | | |
| Hanover | Dec 2014 | 1.8 km, 3 stations | At-grade extension of Line 7 from Schierholzstrasse to Misburg. |
| | | |
| Hong Kong | Dec 2014 | 3.2 km, 3 stations | Island Line western extension to Kennedy Town. |
| | | |
| Moscow | Nov 2014 | 2 km, 1 station | Line 7 extension from Zhulebino to Kotelniki. |
| | | |
| Kharkiv | Aug 2014 | 1 station | Northern Line 3 extension to Peremoha/Pobeda. |
| | | |
| Malaga | 30 Jul 2014 | 2 new lines, 12 km, 17 stations | New metro system. Lines 1 and 2. |
| | | |
| Wuxi | 1 Jul 2014 | New line, 30.5 km, 24 stations | New metro system, Line 1. |
| | | |
| Kunming | Jun 2014 | New line, 13 stations | Line 2. |
| | | |
| Salvador | 11 Jun 2014 | New line, 5.6 km, 4 stations | New metro system, Line 1. |
| | | |
| Mumbai | 8 Jun 2014 | New line, 11.4 km, 12 stations | Mumbai's first real metro line: Versova-Andheri-Ghatkopar east-west corridor. |
| | | |
| Ningbo | 30 May 2014 | New line, | New metro system, Line 1. |
| | | |
| Minsk | May 2014 | 2 km, 1 station | Extension in the south-west. |
| | | |
| Moscow | May 2014 | 1 station | Line 7 Spartak intermediate station. |
| | | |
| Changsha | 29 Apr 2014 | New line, 22.3 km, 19 stations | Line 2. |
| | | |
| Panama City | 5 Apr 2014 | New line, 13.7 km, 13 stations | New metro system. |
| | | |
| Budapest | Mar 2014 | New line, 7.4 km, 10 stations | M4 line from Kelenföldi Railway Station to Eastern Railway Station. |
| | | |
| Kunming | Mar 2014 | 6 stations | Line 1 extension to the north. |
| | | |
| Sydney | Mar 2014 | 5.6 km, 9 stations | Light Rail extension from Lilyfield to Dulwich Hill. |
| | | |
| Mumbai | 2 Feb 2014 | New line, 8.8 km, 7 stations | Monorail from Chembur to Wadala (stage 1). |
| | | |
| Sao Paulo | 25 Jan 2014 | 1 station | Line 5 extension from Largo Treze to Adolfo Pinheiro. |
| | | |
| Barcelona | 2014 | 1 station | L5: insertion of Ernest Lluch station, transfer to L3. |
| | | |
| Beijing | 2014 | New line, 23.9 km, 21 stations | Line 7. |
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| Beijing | 2014 | 35.7 km, 24 stations | Line 14 extension. |
| | | |
| Beijing | 2014 | New line, 15.2 km, 9 stations | Yanfang line. Through service to line 16. |
| | | |
| Beijing | 2014 | 10.2 km, 7 stations | Line 15 westward extension. |
| | | |
| Beijing | 2014 | 12.4 km, 7 stations | Line 6 eastward extension. |
| | | |
| Marseille | 2014 | 0.9 km, 1 station | Line 2 extension from Bougainville to Capitaine Gèze. |
| | | |
| Moscow | 2014 | | Line 10: Maryina Rotscha-Petrovsko-Razumovskaya. |
| | | |
| Moscow | 2014 | 4.5 km, | Line 1: Yugo-Zapadnaya-Salarevo. |
| | | |
| Moscow | 2014 | | Line 2: Tekhnopark station. |
| | | |
| Prague | 2014 | | Western Line A extension from Dejvická to Motol. |
| | | |
| Rio de Janeiro | 2014 | 1 km, 1 station | Line 1 extension from Saens Peña to Uruguai station. |
| | | |
| Sao Paulo | 2014 | New line, 23.8 km, 17 stations | Line 15 monorail. |
| | | |
| Ankara | 31 Dec 2013 | 15 km, 11 stations | Kizilay-Batikent line extension from Batikent to Sincan. |
| | | |
| Shenyang | 30 Dec 2013 | 5.5 km, 3 stations | Line 2 northern extension. |
| | | |
| Beijing | 28 Dec 2013 | 13.2 km, 9 stations | Line 8 extensions north and south. |
| | | |
| Chongqing | 28 Dec 2013 | 25.6 km, 6 stations | Line 6 northern extension. |
| | | |
| Guangzhou | 28 Dec 2013 | New line, 23.4 km, 22 stations | New Line 6. |
| | | |
| Hangzhou | 28 Dec 2013 | New line, 18 km, 13 stations | Metro Line 2 will go into operation in Xiaoshan District. |
| | | |
| Shanghai | 28 Dec 2013 | New line, 45 km, 11 stations | Line 16 from Luoshan Road (transfer to Line 11) to Lingang/Nanhui New City. |
| | | |
| Suzhou | 28 Dec 2013 | New line, 26.6 km, 22 stations | Line 2. |
| | | |
| Wuhan | 28 Dec 2013 | New line, 16.5 km, 15 stations | Line 4. |
| | | |
| Moscow | 27 Dec 2013 | 5 km, 2 stations | Line 12 (L1) extension to Lesoparkovaya and Bitsevskiy Park. |
| | | |
| Moscow | 27 Dec 2013 | 2.4 km, 2 stations | Western part of Line 8 from Park Pobedy (transfer to Line 3) to Delovoy Tsentr (transfer to Line 4 at Vystavochnaya). The gap between both parts of Line 8 will be filled later. |
| | | |
| Zhengzhou | 26 Dec 2013 | New line, 26.2 km, 20 stations | New metro system, opening of Line 1. |
| | | |
| Singapore | 22 Dec 2013 | New line, 4.3 km, 6 stations | Downtown Line (driverless) from Bugis to Chinatown. |
| | | |
| Beijing | 21 Dec 2013 | 1 station | Line 9, new intermediate station Military Museum provides transfer to Line 1. |
| | | |
| Cologne | 15 Dec 2013 | 1 station | A section of the new North-South line: Line 5 extends from Rathaus to Heumarkt. |
| | | |
| Leipzig | 15 Dec 2013 | 3.6 km, 4 stations | S-Bahn city tunnel. |
| | | |
| Athens | 12 Dec 2013 | 1 station | Line 3 (blue) extension from Egaleo to Aghia Marina. |
| | | |
| Naples | 3 Dec 2013 | 1 station | Line 1 extension from Universita to Garibaldi (main station). Intermediate stations Municipio and Duomo are still under construction. |
| | | |
| Taipei | 24 Nov 2013 | New line, 6.5 km, 7 stations | Xinyi Line |
| | | |
| Delhi | 14 Nov 2013 | New line, 5.1 km, 6 stations | New metro line in Gurgaon. |
| | | |
| Gurgaon | 14 Nov 2013 | New line, 5.1 km, 6 stations | New metro line in Gurgaon, see Delhi. |
| | | |
| Moscow | 9 Nov 2013 | 2 stations | Line 7 extension to Zhulebino via Lermontovsky Prospekt. |
| | | |
| Kiev | 6 Nov 2013 | 1.4 km, 1 station | Line 2 extension from Ipodrom to Teremky. |
| | | |
| Cairo | Oct 2013 | | Line 3 extension to Haroun. |
| | | |
| Istanbul | 29 Oct 2013 | New line, 3 stations | Marmaray line connects the European and Asian part of the city. |
| | | |
| Vienna | 5 Oct 2013 | 3 stations | Line U2 from Aspernstraße to Seestadt Aspern. |
| | | |
| Harbin | 26 Sep 2013 | New line, 17.5 km, 18 stations | New metro system, completely underground. |
| | | |
| Kazan | May 2013 | 3 stations | Extension. |
| | | |
| Beijing | 5 May 2013 | New line, 12.0 km, 6 stations | Line 14. |
| | | |
| Beijing | 5 May 2013 | 2.1 km, 2 stations | Line 10 extension. |
| | | |
| Paris | 31 Mar 2013 | 1.1 km, 1 station | Line 4 extension southwards from Porte d'Orléans to Montrouge. |
| | | |
| Manchester | 28 Feb 2013 | 7.4 km, 5 stations | Metrolink extension to Rochdale. |
| | | |
| Milan | 10 Feb 2013 | New line, 7 stations | New driverless line M5 from Zara to Bugnami. |
| | | |
| Brescia | 22 Dec 2012 | New line, 13.1 km, 17 stations | New Metro system. |
| | | |
| Cologne | 9 Dec 2012 | 1 station | A section of the new North-South line: Line 5 extends from Dom/Hauptbahnhof to Rathaus. |
| | | |
| Hamburg | 9 Dec 2012 | New line, 4.0 km, 2 stations | New line U4 from Billstedt to Hafencity-Universität. |