List of longest subway tunnel sections
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This page presents a list of the longest continuous underground rapid transit tunnel sections of the world, excluding branches from the longest tunnel (branch lines that used to transport passengers should be included).
Note: This article only lists tunnels that are 15 km (6.2 miles) or longer.
World's longest subway tunnel sections in use[]
| Name | System | Country | Stations | Length in km (mi) | Year of completion |
|---|---|---|---|---|---|
| Line 6 | Chengdu Metro |  China
|
Wangcong Temple – Lanjiagou | 68.223 km (42.4 mi)[1] | 2020 |
| Line 3 | Guangzhou Metro | China
|
Airport North – Panyu Square | 57.93 (36) | 2005-2018 |
| Line 10 | Beijing Subway | China
|
Circle route | 57.1 (35.5) | 2013 |
| Line 6 | Beijing Subway | China
|
Jin'an Qiao – Lucheng | 53.4 (33.2) | 2018 |
| Seoul Subway Line 5 | Seoul Metropolitan Rapid Transit Corporation |  South Korea
|
Banghwa–Hanam Geomdansan | 51.7 km (32.1 mi) (longest branch) |
2021 |
| Line 2 | Wuhan Metro | China
|
Jinyintan – Fozuling | 44.347 (27.556) | 2019 |
| Downtown MRT Line | Mass Rapid Transit (Singapore) |  Singapore
|
Bukit Panjang – Expo | 44.2 (27.5)[2] | 2017 |
| Line 15 | Shanghai Metro | China
|
Gucun Park – Zizhu Hi-tech Park | 42.3 (26.3) | 2021 |
| Line 5 | Chengdu Metro | China
|
Jiudaoyan – Huilong | 42.3 (26.3) | 2019 |
| Line 3 | Nanjing Metro | China
|
Xinghuolu – Mozhoudonglu | 41.5 (25.8) | 2015 |
| Line 4 | Suzhou Rail Transit | China
|
Longdaobang — Tongli | 41.5 (25.8) | 2017 |
| Serpukhovsko-Timiryazevskaya Line | Moscow Metro |  Russia
|
Altufyevo – Bulvar Dmitriya Donskogo | 41.5 (25.7) | 2002 |
| Metro Madrid L-12: (Metro Sur) | Madrid Metro |  Spain
|
Circle route | 40.96 (25.5) | 2003 |
| Toei Oedo Line[citation needed] | TMBT Subway |  Japan
|
Hikarigaoka – Shiodome – Tocho-mae | 40.7 (25.3) | 2000 |
| Seoul Subway Line 9 | Seoul Metro Line 9 Corporation | South Korea
|
Gimpo Airport – VHS Medical Center | 40.6 (25.2) | 2018 |
| Line 12 | Shanghai Metro | China
|
Qixin Road – Jinhai Road | 40.4 (25.1) | 2015 |
| Line 7 | Beijing Subway | China
|
Beijing West railway station - Universal Resort | 40.3 (25.0) | 2021 |
| Line 4 | Chengdu Metro | China
|
Wansheng – Chengdu University | 39.3 (24.4) | 2017 |
| Line 7 | Chengdu Metro | China
|
Circle route | 38.6 (24.0) | 2017 |
| Lyublinsko-Dmitrovskaya Line | Moscow Metro | Russia
|
Zyablikovo – Seligerskaya | 38.3 (23.8) | 2018 |
| Line 3 | Chengdu Metro | China
|
Chengdu Junqu General Hospital – Shuangliu West Station | 38.1 (23.7) | 2018 |
| Kaluzhsko-Rizhskaya Line | Moscow Metro | Russia
|
Medvedkovo – Novoyasenevskaya | 37.8 (23.5) | 1990 |
| Line 1 | Chengdu Metro | China
|
Weijianian – Science City | 37.47 (23.3) | 2018 |
| Line 2 | Shenzhen Metro | China
|
Chiwan – Xinxiu | 35.78 (22.23) | 2011 |
| Busan Subway Line 2 | Busan Transportation Corporation | South Korea
|
Jangsan–Dongwon | 35.5 (22.06) | 1999 |
| Seoul Subway Line 6 | Seoul Metropolitan Rapid Transit Corporation | South Korea
|
Eungam Loop – Bonghwasan | 35.1 (21.81) | 2001 |
| Seoul Subway Line 7 (longest branch) |
Seoul Metropolitan Rapid Transit Corporation | South Korea
|
Cheongdam – Bupyeong-gu Office | 35.1 (21.7) | 2012 |
| Line 7 | Shanghai Metro | China
|
Panguang Road – Huamu Road | 34.4 (21.38) | 2010 |
| Line 8 | Guangzhou Metro | China
|
Wanshengwei—Jiaoxin | 33.9 | 2020 |
| Circle MRT Line | Mass Rapid Transit (Singapore) | Singapore
|
Dhoby Ghaut – HarbourFront | 33.3 (20.69)[3] | 2011 |
| Metro Madrid L-7 | Madrid Metro | Spain
|
Hospital del Henares – Pitis | 32.9 (20.5) | 2007 |
| U7 | Berlin U-Bahn |  Germany
|
Rathaus Spandau-Rudow | 31.8 (19.7)[4] | 1984 |
| IND Eighth Avenue Line and IND Fulton Street Line[5] | New York City Subway |  United States
|
Inwood – 207th Street – Grant Avenue | 30.8 (19.14) | 1956 |
| Line 2 Orange | Montreal Metro |  Canada
|
Côte-Vertu – Montmorency | 30.8 (19.14) | 2007 |
| Line 2 | Shanghai Metro | China
|
East Xujing – Longyang Road | 30.2 (18.77) | 2010 |
| Moskovsko-Petrogradskaya Line | Saint Petersburg Metro | Russia
|
Parnas–Kupchino | 29.7 (18.54) | 2006 |
| Line 8, Shanghai Metro | Shanghai Metro | China
|
Shiguang Road – Luheng Road | 29.7 (18.45) | 2009 |
| Kirovsko-Vyborgskaya Line | Saint Petersburg Metro | Russia
|
Devyatkino – Prospekt Veteranov | 29.4 (18.35) | 1978 |
| Line 2 | Chengdu Metro | China
|
Tianhe Road – Chengdu Institute of Public Administration | 29.0 (18.0) | 2012–2013 |
| Sydney Metro Northwest | Sydney Metro |  Australia
|
Kellyville – Chatswood section | 28.5 km (17.71 mi) | 2009–2019 |
| Bannan Line (Taipei Metro Blue Line) | Taipei Metro |  Taiwan
|
Dingpu – Taipei Nangang Exhibition Center | 28.2 (17.6) |
1999–2015 |
| Incheon Subway Line 1 | Incheon Subway | South Korea
|
Bakchon – International Business District | 27.9 (17.42) | 1999–2009 |
| Northern line | London Underground |  United Kingdom
|
Morden – East Finchley | 27.8 (17.2) | 1890–1940 |
| Line 3 | Saint Petersburg Metro | Russia
|
Begovaya–Rybatskoye | 27.5 (17.1) | 1967–2018 |
| Tanimachi Line | Osaka Metro | Japan
|
Dainichi–Nagahara | 27.1 (16.7) | 1967–1983 |
| M4 (Istanbul Metro) | Istanbul Metro |  Turkey
|
Kadıköy–Tavşantepe | 26.5 (16.4) | 2012–2016 |
| Meijo Line[citation needed] | Nagoya Municipal Subway | Japan
|
Kanayama–Nagoya Dome-mae Yada-Kanayama | 26.4 (16.4) | 1965–2004 |
| B Line (Red) | Los Angeles Metro | United States
|
North Hollywood - Union Station | 26.4 (16.4) | 1993–2000 |
| Line 5 (Saint Petersburg Metro) | Saint Petersburg Metro | Russia
|
Komendantsky Prospekt – Shushary | 26.0 (16.2) | 1997–2019 |
| Line 1 | Suzhou Metro | China
|
Mudu – Zhongnan Jie | 25.7 (16.0) | 2012 |
| Zhonghe-Xinlu Line (Taipei Metro Orange Line) | Taipei Metro | Taiwan
|
Huilong–Nanshijiao | 25.1 (15.6) (longest branch) |
1998–2013 |
| Yurakucho Line | Tokyo Metro | Japan
|
Chikatetsu Narimasu – Tatsumi | 24.6 (15.3) | 1974–1988 |
| Munich U-Bahn U2 | Munich U-Bahn | Germany
|
Feldmoching – Messestadt Ost | 24.4 (15.2) | 1980–2001 |
| Yellow Line | Delhi Metro |  India
|
GTB Nagar – Saket | 24 (14.9)[6][7] | 2009-2010 |
| L-1 | Madrid Metro | Spain
|
Valdecarros – Pinar de Chamartín | 23.88 (14.84) | 1919–2007 |
| L-6 | Madrid Metro | Spain
|
Circle route | 23.47 (14.58) | 1979–2007 |
| Line 9 | Shanghai Metro | China
|
Jiuting – Middle Yanggao Road | 23.3 (14.48) | 2007–2010 |
| Line 1 Green | Montreal Metro | Canada
|
Angrignon – Honoré-Beaugrand | 23.26 (14.45) | 1966–1978 |
| Warsaw Metro M1 | Warsaw Metro |  Poland
|
Kabaty–Młociny | 23.1 (14.35) | 1995–2008 |
| Line 2 | Beijing Subway | China
|
Circle route | 23.1 (14.35) | 1984–1987 |
| Line 9 | Chengdu Metro | China
|
Phase 1 of the second loop line in Chengdu, all underground | 22.18 km (13.78 mi) | 2020 |
| Songshan-Xindian Line (Taipei Metro Green Line) | Taipei Metro | Taiwan
|
Songshan-Xindian | 21.3 (13.2) | 1998–2014 |
| Line 4 | Shanghai Metro | China
|
Hailun Road – Yishan Road | 21.1 (13.11) | 2005–2007 |
| Toei Mita Line | Toei Subway | Japan
|
Meguro – Shimura-Sakaue | 21.1 (13.11) | 1968–2000 |
| Victoria line | London Underground | United Kingdom
|
Walthamstow Central – Brixton | 21.0 (13.05) | 1968–1971 |
| Line 6, Shanghai Metro | Shanghai Metro | China
|
Boxing Road – Oriental Sports Center | 20.34 (12.64) | 2007–2011 |
| Barcelona metro line 1 | Barcelona Metro | Spain
|
Fondo – | 20.20 (12.56) | 1926-1989 |
| Tozai Line[citation needed] | Sapporo Municipal Subway[citation needed] | Japan
|
Miyanosawa – Shin-Sapporo[citation needed] | 20.1 (12.4) | 1976–1999 |
| Metro Madrid L-5 | Madrid Metro | Spain
|
Alameda de Osuna – Empalme | 20.005 (12.5) | 1968–2006 |
| Barcelona metro line 9 | Barcelona Metro | Spain
|
Zona Universitaria – Aeroport T1 | 20.00 (12.5) | 2004–2016 |
| North East MRT Line | Mass Rapid Transit (Singapore) | Singapore
|
HarbourFront–Punggol | 20.0 (12.43)[8] | 2003–2011 |
| Bucharest Metro Line M3 | Bucharest Metro |  Romania
|
Preciziei – Anghel Saligny | 20.0 (12.43) | 1983–2008 |
| Paris Métro Line 9 | Paris Métro |  France
|
Pont de Sèvres – Mairie de Montreuil | 19.6 (12.18) | 1922–1937 |
| Red, Yellow, Blue, and Green Lines | Bay Area Rapid Transit, San Francisco | United States
|
Balboa Park – West Oakland | 19.5 (12.12) | 1973 |
| Kol'tsevaya Line | Moscow Metro | Russia
|
Circle route | 19.4 (12.2) | 1950–1954 |
| Munich U-Bahn U3 | Munich U-Bahn | Germany
|
Moosach – Fürstenried West | 19.4 (12.05) | 1972–2009 |
| Midosuji Line | Osaka Metro | Japan
|
Nakatsu – Nakamozu | 19.1 (11.87) | 1933–1987 |
| Barcelona metro line 5 | Barcelona Metro | Spain
|
Vall d'Hebron – | 19.00 (11.80) | 1955-2010 |
| Mexico City Metro Line 3 | Mexico City Metro |  Mexico
|
La Raza – Universidad | 18.7 (11.62) | 1970–1983 |
| Paris Métro Line 7 | Paris Métro | France
|
La Courneuve – 8 Mai 1945 – Villejuif – Louis Aragon | 18.6 (11.6) | 1910–1987 |
| Line 3 | Barcelona Metro | Spain
|
Zona Universitària – Trinitat Nova | 18.4 (11.44) | 1925-2008 |
| Line 1 | Shanghai Metro | China
|
Shanghai South Railway – Shanghai Circus World | 18.1 (11.25) | 1993–2004 |
| Avtozavodskaya Line | Minsk Metro |  Belarus
|
Kamennaya Gorka – Mogilevskaya | 18.1 (11.25) | 1990–2005 |
| Line B | Prague Metro |  Czechia
|
Rajská zahrada – Hůrka | 18.0 (11.2) | 1998 |
| Helsinki Metro | Helsinki Metro |  Finland
|
Kalasatama – Matinkylä | 17.9 (11.12) | 1982–2017 |
| Line 2 (Athens Metro)[9] | Athens Metro |  Greece
|
Anthoupoli – Elliniko | 17.9 (11.12) | 2013 |
| Line 3 (Athens Metro)[9] | Athens Metro | Greece
|
Agia Marina – Doukissis Plakentias | 17.8 (11.06) | 2013 |
| Washington, DC Metro Red Line | Washington Metro | United States
|
Union Station – Medical Center | 17.8 (11.05) | 1984 |
| Tozai Line | Kyoto Municipal Subway | Japan
|
Uzumasa Tenjingawa-Yamashina-Rokujizo | 17.5 (10.92) | 2008[page needed] |
| Maskoŭskaja line | Minsk Metro | Belarus
|
Pyatrowshchyna–Uruchcha | 17.4 (10.81) | 2012 |
| Line 4 | Barcelona Metro | Spain
|
Trinitat Nova – La Pau | 17.3 (10.76) | 1908-1999 |
| Tōzai Line | Tokyo Metro | Japan
|
Nakano–Minami-Sunamachi | 17.0 (10.56) | 1969 |
| Mexico City Metro Line 1 | Mexico City Metro | Mexico
|
Observatorio – Metro Pantitlán | 16.7 (10.38) | 1984 |
| Blue Line | Chennai Metro | India
|
Saidapet - Tondiarpet | 16.6 (10.32) | 2018-2021 |
| Metro Madrid L-3 | Madrid Metro | Spain
|
Villaverde Alto – Moncloa | 16.424 (10.2) | 2007 |
| Line 1 | Chongqing Rail Transit | China
|
– | 16.4 (10.2) | 2011 |
| Metro Madrid L-4 | Madrid Metro | Spain
|
Argüelles – Pinar de Chamartín | 16.0 (9.9) | 2007 |
| Sviatoshynsko-Brovarska Line | Kyiv Metro |  Ukraine
|
Akademmistechko–Dnipro | 16.0 (9.9) | 2003 |
| Seoul Subway Line 7 (shorter section) |
Seoul Metropolitan Rapid Transit Corporation | South Korea
|
Suraksan – Konkuk University | 16.0 (9.9) | 1996 |
| M3 Line | Copenhagen Metro |  Denmark
|
Circle Route | 15.5 km (9.6 mi) | 2019 |
| Line 3[10] | Budapest Metro |  Hungary
|
Határ út–Újpest-központ Line is 17.39 km long, but only 15.5 km of it is underground. |
15.5 km (9.6 mi) | 1990 |
| Paris Métro Line 12 | Paris Métro | France
|
Front Populaire – Mairie d'Issy | 15.3 (9.5) | 1910–2012 |
| Syretsko-Pecherska Line | Kyiv Metro | Ukraine
|
Syrets – Pivdennyi Bridge | 15.2 (9.4) | 2004 |
| Line 1 (Kolkata Metro) | Kolkata Metro | India
|
Mahanayak Uttam Kumar -Dum Dum | 15.17 (9.38) | 1984-1995 |
| Line 10 | Chengdu Metro | China
|
Taipingyuan – Shuangliu West Station | 15.0 (9.32) | 2019 |
World's longest subway tunnel sections under construction[]
| Name | System | Country | Stations | Length | Expected completion |
|---|---|---|---|---|---|
| Ligne 15 | Paris Métro | France
|
(Circle route, all underground) | 75 km (47 mi) | 2022–2030 |
| Bolshaya Koltsevaya line | Moscow Metro | Russia
|
(Circle route, all underground) | 69 km (43 mi)[11] | 2018 partially; other sections up to 2023 |
| M11 | Istanbul Metro | Turkey
|
(Airport express line, All underground) | 69 km (43 mi) | 2021 partially; other sections up to 2022 |
| Cross Island line | Mass Rapid Transit (Singapore) | Singapore
|
(Linear route with branch section, all underground) (Excludes potential extension from Punggol to Seletar Airport under planning) |
65.5 km (40.7 mi) |
2029-2031 |
| Line 13 | Guangzhou Metro | China
|
Whole lines is underground (includes Phase II: – is 33.6 km and under construction) |
62.1 km (38.6 mi) | Phase 1：2017 Phase 2：2023 |
| Line 18 | Guangzhou Metro | China
|
[12] to | 58.3 km (36.2 mi)[12] | 2021 |
| Thomson–East Coast line | Mass Rapid Transit (Singapore) | Singapore
|
Woodlands North to Sungei Bedok (Extension to Tanah Merah expected beyond 2030) |
56.4 km (35.0 mi) | 2020-2024 |
| Line 17 | Chengdu Metro | China
|
Whole line 81.48 km and 4.442 km are not underground in Phase 1 and 2 | 46.5 km (28.9 mi) | 2020 for Phase 1 underground section (21.71 km) / 2024 for Phase 2 (24.8 km) |
| Line 13 | Shenzhen Metro | China
|
Whole line is underground | 45.72 km (28.41 mi) | Phase 1：2022 North extension (Phase 2)：2024 South extension：2025 |
| L9 / L10 | Barcelona Metro | Spain
|
43.7 km (27.2 mi) (incl. branches) |
2016 partially; central section unknown | |
| Line 11 | Guangzhou Metro | China
|
(Circle route, all underground) | 43.2 km (26.8 mi) | 2023 |
| Line 19 | Chengdu Metro | China
|
(Whole phase 2 is 42.87 km and all is underground) | 42.87 km (26.64 mi) | 2022 |
| Line 8 | Chengdu Metro | China
|
(Phase 1 is 28.8 km, phase 2 is 7.94 km) | 36.74 km (22.83 mi) | 2020 |
| Mumbai Metro Line 3 | Mumbai Metro | India
|
Cuffe Parade-SEEPZ | 33.02 km (20.52 mi) | 2021 |
| Chengdu Metro Line 13 | Chengdu Metro | China
|
Qiligou ~ Longhua Temple underground section | 29.07 km (18.06 mi) | 2024 |
| Line 3 (Chennai Metro) | Chennai Metro | India
|
Madhavaram Milk Colony - Tharamani | 27.086 km (16.830 mi) | 2026-2027 |
| Purple Line Extension | Los Angeles Metro | United States
|
Westwood/VA Hospital - Union Station | 24.3 km (15.1 mi) | 2025-2026 |
| Line 30 | Chengdu Metro | China
|
(Phase 1 is 26.28 km) | 26.28 km (16.33 mi) | 2024 |
| Line 27 | Chengdu Metro | China
|
Whole line is 24.86 km, but only 17.34 km underground | 17.34 km (10.77 mi) | 2024 |
See also[]
- List of longest tunnels
- List of long tunnels by type
- List of longest railway tunnels in the world
- List of long railway tunnels in China
References[]
- ^ "独家探访|关于西部最长地铁6号线，你想知道的一切都在这里". 9 September 2020.
成都地铁6号线全长68.76千米，共设有56座车站
- ^ "Downtown Line 3 officially opens; Khaw Boon Wan announces review of fares incurred when switching between stations". The Straits Times. 20 October 2017. Retrieved 13 June 2019.
- ^ "Factsheet on Circle Line Extension". www.lta.gov.sg. 28 November 2011. Retrieved 13 June 2019.
- ^ "World's longest railway tunnel" 1984–1988
- ^ Note that both lines are served continuously by the A train within a single tunnel.
- ^ "Metro to bridge Delhi-Gurgaon divide today". The Hindu. Chennai, India. 3 September 2010. Retrieved 19 October 2010.
- ^ Rajesh Ahuja (29 August 2010). "Gurgaon Metro set for operationalisation next week". Retrieved 19 October 2010.
- ^ "North East Line". www.lta.gov.sg. Retrieved 13 June 2019.
- ^ Jump up to: a b "Urban Rail Transport SA :METRO Line 1". Retrieved 30 September 2014.
- ^ "3-as metróvonal jellemzői". Metros.hu (in Hungarian). Retrieved 27 March 2016.
- ^ "Большая кольцевая линия метро".
- ^ Jump up to: a b "广州地铁18号线陇枕停车场首次迎接"活力橙"". 金羊网. 20 February 2021. Archived from the original on 10 April 2021. Retrieved 10 April 2021.
广州市2021年十件民生实事显示，2021年广州将力争开通试运营地铁18号线先通段（万顷沙-冼村，58.3公里）、22号线先通段（番禺广场-陈头岗，18.2公里）
Categories:
- Rapid transit
- Lists of railway tunnels
- Lists of tunnels
- Lists by length
- Longest things