The vast majority of rapid transit systems use . Some of the largest and oldest subway systems in the world use standard gauge in agreement with the country wide dominant usage for track gauge, e.g. London Underground (1863), Chicago "L" (1892), Vienna Metro (1898), Paris Métro (1900), Berlin U-Bahn (1902), New York City Subway (1904), Stockholm Metro (1950), Milan Metro (1964), Mexico City Metro (1969), Beijing Subway (1971), Seoul Metropolitan Subway (1974), Shanghai Metro (1993), Guangzhou Metro (1997), Shenzhen Metro (2004). Many rapid transit systems in countries where the main lines do not use standard gauges are built in standard gauge, including the Barcelona Metro, Santiago Metro, Taipei Metro, and many systems in India.
There are also systems that use (some systems in Japan and Jakarta MRT), (the standard in former Soviet Union), (the standard in Brazil) and few others.
Some systems use rubber tires, with some ones adding them to the normal steel wheels (e.g. Paris Metro, Mexico City Metro, Montreal Metro) and some others with only tires (e.g. Lille Metro, Sapporo Municipal Subway).
Some systems use monorail, the largest ones are in Chongqing Rail Transit and in São Paulo Metro.
For references for the figures, see each system's page and List of metro systems.
__TOC__
| Country | Network | Route length | Gauge | Comment | ||
|---|---|---|---|---|---|---|
 Algeria | Algiers Metro | 18.5km (11.5miles) | data-sort-value="1435" | |||
 Argentina | Buenos Aires Underground | 56.7km (35.2miles) | data-sort-value="1435" | |||
 Armenia | Yerevan Metro | 13.4km (08.3miles) | data-sort-value="1524" | |||
 Australia | Sydney Metro | 36km (22miles) | data-sort-value="1435" | |||
 Austria | Vienna U-Bahn | 83.3km (51.8miles) | data-sort-value="1435" | |||
 Azerbaijan | Baku Metro | 40.7km (25.3miles) | data-sort-value="1524" | |||
 Bangladesh | Dhaka Metro Rail | 20.1km (12.5miles) | data-sort-value="1435" | |||
 Belarus | Minsk Metro | 40.8km (25.4miles) | data-sort-value="1524" | |||
 Belgium | Brussels Metro | 39.9km (24.8miles) | data-sort-value="1435" | |||
 Brazil | Belo Horizonte Metro | 28.1km (17.5miles) | data-sort-value="1600" | |||
| Brazil | Federal District Metro | 42.4km (26.3miles) | data-sort-value="1600" | |||
| Brazil | Porto Alegre Metro | 43.8km (27.2miles) | data-sort-value="1600" | |||
| Brazil | Recife Metro | 39.5km (24.5miles) | data-sort-value="1600" | Includes rapid transit lines only: Linha Centro (Center Line) and Linha Sul (South Line) | ||
| Brazil | Rio de Janeiro Metro | 58km (36miles) | data-sort-value="1600" | |||
| Brazil | Salvador Metro | 34km (21miles) | data-sort-value="1435" | |||
| Brazil | Fortaleza Metro | 43.6km (27.1miles) | ||||
| Brazil | São Paulo Metro | 56.9km (35.4miles) | data-sort-value="1600" | Line 1, Line 2 and Line 3 | ||
| 31.4km (19.5miles) | data-sort-value="1435" | Line 4 and Line 5 | ||||
| 14.6km (09.1miles) | Monorail | Line 15 | ||||
 Bulgaria | Sofia Metro | 52km (32miles) | data-sort-value="1435" | |||
 Canada | Montreal Metro | 69.2km (43miles) | data-sort-value="1436" | between guide bars and rubber tires | Michelin rubber-tyred metro system has both rubber tires and steel wheels | |
| Canada | REM Montreal | 16.6km (10.3miles) | ||||
| Canada | Toronto subway | 70.5km (43.8miles) | data-sort-value="1495" | Line 1, Line 2 and Line 4 | ||
| 6.4km (04miles) | data-sort-value="1435" | Line 3 | ||||
| Canada | SkyTrain | 79.6km (49.5miles) | data-sort-value="1435" | Expo Line (SkyTrain), Millennium Line, and Canada Line | ||
 Chile | Santiago Metro | 73.5km (45.7miles) | data-sort-value="1435" | Line 3, Line 4, Line 4A and Line 6 | ||
| 76km (47miles) | data-sort-value="1436" | and rubber tires | Line 1, Line 2 and Line 5. Michelin rubber-tyred metro system has both rubber tires and steel wheels | |||
 China | Beijing Subway | 804km (500miles) | data-sort-value="1435" | All lines except S1 line (Maglev), Yizhuang T1 line and Xijiao line (light rail) | ||
| 9.1km (05.7miles) | Maglev | S1 line | ||||
| China | Changchun Rail Transit | 71.6km (44.5miles) | data-sort-value="1435" | Line 1, Line 2 and Line 6 | ||
| China | Changsha Metro | 207.9km (129.2miles) | data-sort-value="1435" | |||
| China | Changzhou Metro | 54.03km (33.57miles) | data-sort-value="1435" | |||
| China | Chengdu Metro | 558.11km (346.79miles) | data-sort-value="1435" | |||
| China | Chongqing Rail Transit | 420.22km (261.11miles) | data-sort-value="1435" | Loop line, Line 1, Line 4, Line 5, Line 6, Line 9, Line 10 and Jiangtiao line | ||
| 98.5km (61.2miles) | Monorail | Line 2 and Line 3 | ||||
| China | Dalian Metro | 237.7km (147.7miles) | data-sort-value="1435" | |||
| China | Dongguan Rail Transit | 37.8km (23.5miles) | data-sort-value="1435" | |||
| China | Foshan Metro | 112.7km (70miles) | data-sort-value="1435" | |||
| China | Fuzhou Metro | 143.5km (89.2miles) | data-sort-value="1435" | |||
| China | Guangzhou Metro | 651.75km (404.98miles) | data-sort-value="1435" | All lines except Zhujiang New Town APM | ||
| 3.9km (02.4miles) | rubber tires | Zhujiang New Town APM | ||||
| China | Guiyang Metro | 118.7km (73.8miles) | data-sort-value="1435" | |||
| China | Hangzhou Metro | 516km (321miles) | data-sort-value="1435" | |||
| China | Harbin Metro | 83.78km (52.06miles) | data-sort-value="1435" | |||
| China | Hefei Metro | 201.95km (125.49miles) | data-sort-value="1435" | |||
| China | Hohhot Metro | 49km (30miles) | data-sort-value="1435" | |||
| China | Jinan Metro | 84.3km (52.4miles) | data-sort-value="1435" | |||
| China | Jinhua Rail Transit | 107km (66miles) | data-sort-value="1435" | |||
| China | Kunming Rail Transit | 164.3km (102.1miles) | data-sort-value="1435" | |||
| China | Lanzhou Metro | 34.96km (21.72miles) | data-sort-value="1435" | |||
| China | Luoyang Subway | 43.6km (27.1miles) | data-sort-value="1435" | |||
| China | Nanchang Metro | 128.6km (79.9miles) | data-sort-value="1435" | |||
| China | Nanjing Metro | 521km (324miles) | data-sort-value="1435" | |||
| China | Nanning Rail Transit | 127.9km (79.5miles) | data-sort-value="1435" | |||
| China | Nantong Rail Transit | 60km (40miles) | data-sort-value="1435" | |||
| China | Ningbo Rail Transit | 182.5km (113.4miles) | data-sort-value="1435" | |||
| China | Qingdao Metro | 342.4km (212.8miles) | data-sort-value="1435" | |||
| China | Shanghai Metro | 795.2km (494.1miles) | data-sort-value="1435" | All lines except Pujiang line. This figure excludes Maglev line and Jinshan Railway, both often included in Shanghai Metro maps but not considered part of the system. | ||
| 6.7km (04.2miles) | rubber tires | Pujiang line | ||||
| China | Shaoxing Metro | 57.8km (35.9miles) | data-sort-value="1435" | |||
| China | Shenyang Metro | 163.7km (101.7miles) | data-sort-value="1435" | |||
| China | Shenzhen Metro | 555.43km (345.13miles) | data-sort-value="1435" | |||
| China | Shijiazhuang Metro | 76.5km (47.5miles) | data-sort-value="1435" | |||
| China | Suzhou Rail Transit | 249.5km (155miles) | data-sort-value="1435" | |||
| China | Taiyuan Metro | 23.65km (14.7miles) | data-sort-value="1435" | |||
| China | Taizhou Rail Transit | 52.4km (32.6miles) | data-sort-value="1435" | |||
| China | Tianjin Metro | 300.5km (186.7miles) | data-sort-value="1435" | |||
| China | Ürümqi Metro | 27.6km (17.1miles) | data-sort-value="1435" | |||
| China | Wenzhou Metro | 116.4km (72.3miles) | data-sort-value="1435" | |||
| China | Wuhan Metro | 479.65km (298.04miles) | data-sort-value="1435" | |||
| China | Wuhu Rail Transit | 46.25km (28.74miles) | Monorail | |||
| China | Wuxi Metro | 114.81NaN1 | data-sort-value="1435" | |||
| China | Xiamen Metro | 98.4km (61.1miles) | data-sort-value="1435" | |||
| China | Xi'an Metro | 311km (193miles) | data-sort-value="1435" | |||
| China | Xuzhou Metro | 64.35km (39.99miles) | data-sort-value="1435" | |||
| China | Zhengzhou Metro | 344.2km (213.9miles) | data-sort-value="1435" | |||
 Hong Kong | Mass Transit Railway | 102.1km (63.4miles) | data-sort-value="1435" | East Rail line, Tuen Ma line and South Island line | ||
| 79.4km (49.3miles) | data-sort-value="1432" | Kwun Tong line, Tsuen Wan line, Island line, Tung Chung line, Airport Express, Tseung Kwan O line, Disneyland Resort line | ||||
| Macau Light Rapid Transit | 12.5km (07.8miles) | rubber tires | ||||
 Colombia | Medellín Metro | 31.3km (19.4miles) | data-sort-value="1435" | |||
 Czech Republic | Prague Metro | 65.2km (40.5miles) | data-sort-value="1435" | |||
 Denmark | Copenhagen Metro | 43.3km (26.9miles) | data-sort-value="1435" | |||
 Dominican Republic | Santo Domingo Metro | 28.4km (17.6miles) | data-sort-value="1435" | |||
 Ecuador | Quito Metro | 22km (14miles) | ||||
 Egypt | Cairo Metro | 107.1km (66.5miles) | data-sort-value="1435" | |||
 Finland | Helsinki Metro | 43km (27miles) | data-sort-value="1524" | |||
 France | Lille Metro | 45km (28miles) | rubber tires | VAL technology | ||
| France | Lyon Metro | 2.5km (01.6miles) | data-sort-value="1435" | Line C rack railway | ||
| 31.9km (19.8miles) | data-sort-value="1436" | and rubber tires | Line A, Line B and Line D. Michelin rubber-tyred metro system has both rubber tires and steel wheels | |||
| France | Marseille Metro | 21.9km (13.6miles) | data-sort-value="1436" | and rubber tires | Michelin rubber-tyred metro system has both rubber tires and steel wheels | |
| France | Paris Métro | 158.8km (98.7miles) | data-sort-value="1435" | Line 2, Line 3, Line 5, Line 7, Line 8, Line 9, Line 10, Line 12 and Line 13 | ||
| 83.7km (52miles) | data-sort-value="1436" | and rubber tires | Line 1, Line 4, Line 6, Line 11 and Line 14. Michelin rubber-tyred metro system has both rubber tires and steel wheels | |||
| France | Rennes Metro | 23km (14miles) | rubber tires | VAL technology | ||
| France | Toulouse Metro | 28.2km (17.5miles) | rubber tires | VAL technology | ||
 Georgia | Tbilisi Metro | 27.1km (16.8miles) | data-sort-value="1524" | |||
 Germany | Berlin U-Bahn | 156.1km (97miles) | data-sort-value="1435" | |||
| Germany | Frankfurt U-Bahn | 64.9km (40.3miles) | data-sort-value="1435" | |||
| Germany | Hamburg U-Bahn | 106.1km (65.9miles) | data-sort-value="1435" | |||
| Germany | Hanover Stadtbahn | 121km (75miles) | data-sort-value="1435" | |||
| Germany | Munich U-Bahn | 95km (59miles) | data-sort-value="1435" | |||
| Germany | Nuremberg U-Bahn | 38.2km (23.7miles) | data-sort-value="1435" | |||
 Greece | Athens Metro | 91.7km (57miles) | data-sort-value="1435" | |||
 Hungary | Budapest Metro | 38.2km (23.7miles) | data-sort-value="1435" | |||
 India | Ahmedabad Metro | 38.63km (24miles) | data-sort-value="1435" | |||
| India | Bengalaru Metro | 73.75km (45.83miles) | data-sort-value="1435" | |||
| India | Chennai Metro | 54.15km (33.65miles) | data-sort-value="1435" | |||
| India | Delhi Metro | 148.2km (92.1miles) | data-sort-value="1676" | Red Line, Yellow Line and Blue Line (1-4 lines) | ||
| 199.9km (124.2miles) | data-sort-value="1435" | Green Line, Violet Line, Magenta Line, Pink Line, Grey Line (5-9 lines) and Airport Metro Express | ||||
| India | Rapid Metro Gurgaon | 11.7km (07.3miles) | data-sort-value="1435" | |||
| India | Hyderabad Metro | 67km (42miles) | data-sort-value="1435" | |||
| India | Jaipur Metro | 12.1km (07.5miles) | data-sort-value="1435" | |||
| India | Kanpur Metro | 9km (06miles) | data-sort-value="1435" | |||
| India | Kochi Metro | 27.4km (17miles) | data-sort-value="1435" | |||
| India | Kolkata Metro | 37.86km (23.53miles) | data-sort-value="1676" | Line 1 and Line 3 | ||
| 9.1km (05.7miles) | data-sort-value="1435" | Line 2 | ||||
| India | Lucknow Metro | 23km (14miles) | data-sort-value="1435" | |||
| India | Mumbai Metro | 46.4km (28.8miles) | data-sort-value="1435" | |||
| India | Nagpur Metro | 38.21km (23.74miles) | data-sort-value="1435" | |||
| India | Navi Mumbai Metro | 11.1km (06.9miles) | ||||
| India | Noida Metro | 29.7km (18.5miles) | data-sort-value="1435" | |||
| India | Pune Metro | 33.2km (20.6miles) | data-sort-value="1435" | |||
 Indonesia | Jakarta MRT | 15.7km (09.8miles) | data-sort-value="1067" | |||
| Indonesia | Jakarta LRT | 5.8km (03.6miles) | data-sort-value="1435" | |||
| Indonesia | Jabodebek LRT | 44.5km (27.7miles) | data-sort-value="1435" | |||
| Indonesia | Palembang LRT | 23.4km (14.5miles) | data-sort-value="1067" | |||
| Isfahan Metro | 16.2km (10.1miles) | data-sort-value="1435" | ||||
| Karaj metro | 49.5km (30.8miles) | |||||
| Mashhad Urban Railway | 37.5km (23.3miles) | data-sort-value="1435" | ||||
| Shiraz Metro | 32.5km (20.2miles) | data-sort-value="1435" | ||||
| Tabriz Metro | 7km (04miles) | data-sort-value="1435" | ||||
| Tehran Metro | 224.6km (139.6miles) | data-sort-value="1435" | All lines except Line 5 | |||
 Italy | Brescia Metro | 13.7km (08.5miles) | data-sort-value="1435" | |||
| Italy | Catania Metro | 8.8km (05.5miles) | data-sort-value="1435" | |||
| Italy | Genoa Metro | 7.1km (04.4miles) | data-sort-value="1435" | |||
| Italy | Milan Metro | 103.2km (64.1miles) | data-sort-value="1435" | |||
| Italy | Naples Metro | 20.5km (12.7miles) | data-sort-value="1435" | |||
| Italy | Rome Metro | 60km (40miles) | data-sort-value="1435" | |||
| Italy | Turin Metro | 15.1km (09.4miles) | rubber tires | VAL technology | ||
 Japan | Astram Line | 18.4km (11.4miles) | rubber tires | |||
| Japan | Fukuoka City Subway | 17.8km (11.1miles) | data-sort-value="1067" | Kūkō Line and Hakozaki Line | ||
| 13.6km (08.5miles) | data-sort-value="1435" | Nanakuma Line | ||||
| Japan | Kobe Municipal Subway | 38.1km (23.7miles) | data-sort-value="1435" | |||
| Japan | Kyoto Municipal Subway | 31.2km (19.4miles) | data-sort-value="1435" | |||
| Japan | Nagoya Municipal Subway | 53.3km (33.1miles) | data-sort-value="1435" | Higashiyama Line, Meijō Line and Meikō Line | ||
| 40km (30miles) | data-sort-value="1067" | Tsurumai Line, Sakura-dōri Line and Kamiiida Line | ||||
| Japan | Osaka Metro | 129.9km (80.7miles) | data-sort-value="1435" | |||
| Japan | Sapporo Municipal Subway | 48km (30miles) | rubber tires | |||
| Japan | Sendai Subway | 14.8km (09.2miles) | data-sort-value="1067" | Namboku Line | ||
| 13.9km (08.6miles) | data-sort-value="1435" | Tōzai Line | ||||
| Japan | Toei Subway (Tokyo) | 59km (37miles) | data-sort-value="1435" | Asakusa Line and Ōedo Line | ||
| 26.5km (16.5miles) | data-sort-value="1067" | Mita Line | ||||
| 23.5km (14.6miles) | data-sort-value="1372" | Shinjuku Line | ||||
| Japan | Tokyo Metro | 41.7km (25.9miles) | data-sort-value="1435" | Ginza Line and Marunouchi Line | ||
| 153.4km (95.3miles) | data-sort-value="1067" | All lines except Ginza Line and Marunouchi Line | ||||
| Japan | Tokyo Monorail | 17.8km (11.1miles) | Monorail | |||
| Japan | Rinkai Line (Tokyo) | 12.2km (07.6miles) | data-sort-value="1067" | |||
| Japan | Yokohama Municipal Subway | 53.4km (33.2miles) | data-sort-value="1435" | |||
| Japan | Minatomirai Line (Yokohama) | 4.1km (02.5miles) | data-sort-value="1067" | |||
 Kazakhstan | Almaty Metro | 13.4km (08.3miles) | data-sort-value="1524" | |||
| Pyongyang Metro | 22.5km (14miles) | data-sort-value="1435" | ||||
| Busan Metro | 103.8km (64.5miles) | data-sort-value="1435" | Includes rapid transit lines only: lines 1-3 | |||
| 12.7km (07.9miles) | rubber tires | Line 4 | ||||
| Daegu Metro | 59.8km (37.2miles) | data-sort-value="1435" | Line 1 and Line 2 | |||
| 23.9km (14.9miles) | Monorail | Line 3 | ||||
| Daejeon Metro | 22.7km (14.1miles) | data-sort-value="1435" | ||||
| Gimpo Goldline | 23.7km (14.7miles) | data-sort-value="1435" | ||||
| Gwangju Metro | 20.1km (12.5miles) | data-sort-value="1435" | ||||
| Incheon Subway | 59.4km (36.9miles) | data-sort-value="1435" | ||||
| Seoul Subway | 367.5km (228.4miles) | data-sort-value="1435" | Lines 1-9 | |||
| Ui LRT | 11.4km (07.1miles) | data-sort-value="1435" | ||||
| Sillim Line | 7.8km (04.8miles) | rubber tires | ||||
| Korail metro lines | 133km (83miles) | data-sort-value="1435" | Includes the Bundang Line, Korail portions of Seoul Subway Line 3 (Ilsan Line) and Seoul Subway Line 4 (Gwacheon Line and Ansan Line), and the Suin Line | |||
| Shinbundang Line | 33.4km (20.8miles) | data-sort-value="1435" | ||||
| Uijeongbu U Line | 11.2km (07miles) | rubber tires | VAL technology | |||
 Malaysia | Rapid KL | 219.8km (136.6miles) | data-sort-value="1435" | All lines except KL Monorail | ||
| 8.6km (05.3miles) | Monorail | KL Monorail | ||||
 Mexico | Guadalajara Metro | 21km (13miles) | data-sort-value="1435" | Line 3 | ||
| Mexico | Mexico City Metro | 165.7km (103miles) | data-sort-value="1436" | and rubber tires | All lines except Line 12 and Line A. Michelin rubber-tyred metro system has both rubber tires and steel wheels | |
| 35.2km (21.9miles) | data-sort-value="1435" | Line 12 and Line A | ||||
| Mexico | Monterrey Metro | 40km (30miles) | data-sort-value="1435" | For all 3 lines. The 5 train models (MM-90X, MM-93, MM-05, MM-20 and Duewag/Talbot MM-80) share the same rail gauge, and can be swapped to serve any of the 3 lines (they are all connected by 2 interchanges). | ||
 Netherlands | Amsterdam Metro | 44.3km (27.5miles) | data-sort-value="1435" | |||
 Nigeria | Lagos Rail Mass Transit | 27km (17miles) | data-sort-value="1435" | Blue Line only (Red Line is a commuter rail) | ||
| Netherlands | Rotterdam Metro | 103.1km (64.1miles) | data-sort-value="1435" | Some sections of the Lines A and B have some level crossings (with priority) and so could therefore be considered "light rail" instead of "metro" | ||
 Norway | Oslo Metro | 86km (53miles) | data-sort-value="1435" | This system has similarities to light rail systems, because of existence of road level crossings, but is listed since there are almost entirely separated from roads | ||
 Pakistan | Lahore Metro | 27.1km (16.8miles) | data-sort-value="1435" | |||
 Panama | Panama Metro | 39.8km (24.7miles) | data-sort-value="1435" | |||
 Peru | Lima Metro | 39.6km (24.6miles) | data-sort-value="1435" | |||
 Philippines | Manila Light Rail Transit System | 37.3km (23.2miles) | data-sort-value="1435" | |||
| Philippines | Manila Metro Rail Transit System | 16.9km (10.5miles) | data-sort-value="1435" | |||
 Poland | Warsaw Metro | 41.3km (25.7miles) | data-sort-value="1435" | |||
 Portugal | Lisbon Metro | 44.2km (27.5miles) | data-sort-value="1435" | |||
 Qatar | Doha Metro | 76km (47miles) | data-sort-value="1435" | |||
 Romania | Bucharest Metro | 80.1km (49.8miles) | data-sort-value="1432" | Gauge is nominally 1432, but the tolerances (+10, -3) are centered around Standard gauge[1] | ||
| Kazan Metro | 16.8km (10.4miles) | data-sort-value="1524" | ||||
| Moscow Metro | 461.5km (286.8miles) | data-sort-value="1524" | All lines except Moscow Central Diameters, Moscow Central Circle (a conventional railway numbered as Line 14) and Moscow Monorail (Line 13) | |||
| 4.7km (02.9miles) | Monorail | Moscow Monorail (Line 13) | ||||
| Nizhny Novgorod Metro | 21.6km (13.4miles) | data-sort-value="1524" | ||||
| Novosibirsk Metro | 15.9km (09.9miles) | data-sort-value="1524" | ||||
| Saint Petersburg Metro | 124.8km (77.5miles) | data-sort-value="1524" | ||||
| Samara Metro | 11.6km (07.2miles) | data-sort-value="1524" | ||||
| Yekaterinburg Metro | 12.7km (07.9miles) | data-sort-value="1524" | ||||
 Saudi Arabia | Mecca Metro | 18.1km (11.2miles) | data-sort-value="1435" | Al Mashaaer Al Mugaddassah Metro Southern Line (Line S) | ||
 Singapore | Light Rail Transit | 28.6km (17.8miles) | rubber tires | |||
| Singapore | Mass Rapid Transit | 231km (144miles) | data-sort-value="1435" | |||
 Spain | Barcelona Metro | 20.7km (12.9miles) | data-sort-value="1672" | Line 1 | ||
| 119.2km (74.1miles) | data-sort-value="1435" | All lines except Line 1 and Line 8 | ||||
| 11.3km (07miles) | data-sort-value="1000" | Line 8 | ||||
| Spain | Bilbao metro | 45.1km (28miles) | data-sort-value="1000" | |||
| Spain | Madrid Metro | 293km (182miles) | data-sort-value="1445" | Including lines 1-12 and Ramal. Not including the three Light Rail lines | ||
 Sweden | Stockholm Metro | 105.7km (65.7miles) | data-sort-value="1435" | |||
 Switzerland | Lausanne Metro | 5.9km (03.7miles) | data-sort-value="1436" | and rubber tires | Only Line M2 (Michelin rubber-tyred metro system has both rubber tires and steel wheels). Line M1 is light rail | |
| Kaohsiung Rapid Transit | 42.7km (26.5miles) | data-sort-value="1435" | Red Line and Orange Line | |||
| Taipei Metro | 127.8km (79.4miles) | data-sort-value="1435" | All lines except Wenhu line | |||
| 25.1km (15.6miles) | rubber tires | Wenhu line. VAL technology | ||||
| Taichung Metro | 16.7km (10.4miles) | data-sort-value="1435" | ||||
| Taoyuan Metro | 53.1km (33miles) | data-sort-value="1435" | ||||
 Thailand | BTS Skytrain(Bangkok) | 68.2km (42.4miles) | data-sort-value="1435" | |||
| Thailand | MRT (Bangkok) | 70.6km (43.9miles) | data-sort-value="1435" | Blue Line and Purple Line | ||
| 64.9km (40.3miles) | Monorail | Yellow Line and Pink Line | ||||
 Turkey | Adana Metro | 13.5km (08.4miles) | data-sort-value="1435" | |||
| Turkey | Ankara Metro | 67.4km (41.9miles) | data-sort-value="1435" | |||
| Turkey | Bursaray | 39km (24miles) | data-sort-value="1435" | |||
| Turkey | Istanbul Metro | 202.8km (126miles) | data-sort-value="1435" | M1-M11 lines | ||
| Turkey | İzmir Metro | 20km (10miles) | data-sort-value="1435" | |||
 Ukraine | Dnipro Metro | 7.1km (04.4miles) | data-sort-value="1524" | |||
| Ukraine | Kharkiv Metro | 38.1km (23.7miles) | data-sort-value="1524" | |||
| Ukraine | Kyiv Metro | 67.6km (42miles) | data-sort-value="1524" | |||
 United Arab Emirates | Dubai Metro | 89.6km (55.7miles) | data-sort-value="1435" | |||
 United Kingdom | Glasgow Subway | 10.4km (06.5miles) | data-sort-value="1219" | |||
| United Kingdom | London Underground | 405.2km (251.8miles) | data-sort-value="1435" | |||
| United Kingdom | Docklands Light Railway | 38km (24miles) | data-sort-value="1435" | |||
| United Kingdom | Tyne and Wear Metro | 77.5km (48.2miles) | data-sort-value="1435" | |||
 United States | MARTA (Atlanta) | 76.6km (47.6miles) | data-sort-value="1435" | |||
| United States | Baltimore Metro Subway | 24.9km (15.5miles) | data-sort-value="1435" | |||
| United States | MBTA subway (Boston) | 61km (38miles) | data-sort-value="1435" | Red Line, Orange Line and Blue Line | ||
| United States | Chicago "L" | 165.4km (102.8miles) | data-sort-value="1435" | |||
| United States | RTA Rapid Transit: Red Line (Cleveland) | 31km (19miles) | data-sort-value="1435" | |||
| United States | Honolulu Skyline | 17.4km (10.8miles) | ||||
| United States | Los Angeles Metro Rail | 28km (17miles) | data-sort-value="1435" | B Line and D Line | ||
| United States | Metrorail (Miami) | 39.3km (24.4miles) | data-sort-value="1435" | |||
| United States | New York City Subway | 380.2km (236.2miles) | data-sort-value="1435" | |||
| United States | Staten Island Railway | 22.5km (14miles) | data-sort-value="1435" | |||
| United States | PATH | 22.2km (13.8miles) | data-sort-value="1435" | |||
| United States | SEPTA (Philadelphia) | 48.1km (29.9miles) | data-sort-value="1435" | Broad Street Line and Norristown High Speed Line (latter one a combination of a rapid transit, a commuter rail and a light rail systems) | ||
| 20.8km (12.9miles) | data-sort-value="1588" | Market–Frankford Line | ||||
| United States | PATCO Speedline | 22.9km (14.2miles) | data-sort-value="1435" | |||
| United States | BART (San Francisco) | 186.8km (116.1miles) | data-sort-value="1676" | |||
| United States | Washington Metro | 208km (129miles) | data-sort-value="1429" | |||
 Puerto Rico | Tren Urbano | 17.2km (10.7miles) | data-sort-value="1435" | |||
 Uzbekistan | Tashkent Metro | 66.7km (41.4miles) | data-sort-value="1524" | |||
| Caracas Metro | 63.6km (39.5miles) | data-sort-value="1435" | Include Los Teques Metro | |||
| Hanoi Metro | 25.6km (15.9miles) | data-sort-value="1435" |