Longest tunnels in the world

Source: https://aidb.si/d/longest-tunnels — From Wikipedia, CC BY-SA 4.0: "List of longest tunnels" (https://en.wikipedia.org/wiki/List_of_longest_tunnels), by Wikipedia contributors. Wikidata identifiers are CC0.

IDRankTunnelWikidataTypeLength (m)LocationCountryCountry nameCompletedYear (as given)
Delaware Aqueduct1Delaware AqueductQ2859238Water supply137000New York State, United StatesUSAUnited States19451945
Päijänne Water Tunnel2Päijänne Water TunnelQ2120346Water supply120000Southern Finland, FinlandFINFinland19821982
Suzhou Metro Line 3-113Suzhou Metro Line 3-11Q6112757Metro86542Suzhou, ChinaCHNChina20232019–2023
Dahuofang Water Tunnel4Dahuofang Water TunnelQ18111509Water supply85320Liaoning, ChinaCHNChina20092009
Orange–Fish River Tunnel5Orange–Fish River TunnelQ1777148Water supply82800South AfricaZAFSouth Africa19721972
Bolmen Water Tunnel6Bolmen Water TunnelQ453769Water supply82000Kronoberg/Scania, SwedenSWESweden19871987
Istanbul Metro (Line M11)7Istanbul Metro (Line M11)Q498172Metro69110Istanbul, TurkeyTURTurkey20252023–2025
Chengdu Metro Line 68Chengdu Metro Line 6Q22100481Metro68223Chengdu, ChinaCHNChina20202020
Neelum–Jhelum Hydropower Tunnel9Neelum–Jhelum Hydropower TunnelQ14326986Hydroelectric68000Muzaffarabad, Azad Kashmir, PakistanPAKPakistan20172017
Tunel Emisor Oriente10Tunel Emisor OrienteQ16643471Wastewater62500Mexico City, MexicoMEXMexico20192019
Qingdao Metro Line 111Qingdao Metro Line 1Q15935678Metro59818Qingdao, ChinaCHNChina20212020–2021
Guangzhou Metro Line 1812Guangzhou Metro Line 18Q11062044Metro58300Guangzhou, ChinaCHNChina20212021
Guangzhou Metro Line 313Guangzhou Metro Line 3Q862941Metro57930Guangzhou, ChinaCHNChina20182005–2018
Moscow Metro Bolshaya Koltsevaya line14Moscow Metro Bolshaya Koltsevaya lineQ617574Metro57538Moscow, RussiaRUSRussia20232018–2023
Gotthard Base Tunnel15Gotthard Base TunnelQ193002Railway twin tube57104Central Swiss Alps, SwitzerlandCHESwitzerland20162016
Beijing Subway Line 1016Beijing Subway Line 10Q847886Metro57100Beijing, ChinaCHNChina20132008–2013
Seikan Tunnel17Seikan TunnelQ99250Railway single tube53850Tsugaru Strait, JapanJPNJapan19881988
Beijing Subway Line 618Beijing Subway Line 6Q6553138Metro53400Beijing, ChinaCHNChina20182012–2018
Želivka Water Tunnel19Želivka Water TunnelQ8083633Water supply51970Central Bohemian Region, Czech RepublicCZECzech Republic19721972
Seoul Subway: Line 520Seoul Subway: Line 5Q16950Metro51700Seoul, South KoreaKORSouth Korea20211995–2021
Rothschönberger Stolln21Rothschönberger StollnWastewater50900Freiberg Mining Field, GermanyDEUGermany18821844–1882
Channel Tunnel22Channel TunnelQ10257Railway twin tube50450English Channel, United Kingdom/FranceGBRUnited Kingdom19941994
Yulhyeon Tunnel23Yulhyeon TunnelQ20445483Railway single tube50300Seoul Capital Area, South KoreaKORSouth Korea20162016
Tunel Emisor Central24Tunel Emisor CentralWastewater49742Mexico City, MexicoMEXMexico19751975
River Arpa – Lake Sevan tunnel25River Arpa – Lake Sevan tunnelQ181932Water supply48358Armenia (at the time of construction Soviet Union)ARMArmenia19811981
Pahang – Selangor Raw Water Transfer Project26Pahang – Selangor Raw Water Transfer ProjectWater supply44600Pahang & Selangor, MalaysiaMYSMalaysia20142014
Wuhan Metro Line 227Wuhan Metro Line 2Q5952205Metro44347Wuhan, ChinaCHNChina20192012–2019
Lyublinsko-Dmitrovskaya Line (Zyablikovo – Fiztekh)28Lyublinsko-Dmitrovskaya Line (Zyablikovo – Fiztekh)Q582194Metro44300Moscow Metro, Russia (construction started at the time of Soviet Union)RUSRussia20231995–2023
Shanghai Subway: Line 729Shanghai Subway: Line 7Q462201Metro44200Shanghai, ChinaCHNChina20102009–2010
#1 Tunnel, Yellow River Diversion to Shanxi North Line30#1 Tunnel, Yellow River Diversion to Shanxi North LineWater supply43670Shanxi, ChinaCHNChina20112011
#7 Tunnel, Yellow River Diversion to Shanxi South Line31#7 Tunnel, Yellow River Diversion to Shanxi South LineWater supply43500Shanxi, ChinaCHNChina20022002
Beijing Subway Line 832Beijing Subway Line 8Q847771Metro42600Beijing, ChinaCHNChina20212012–2021
Shanghai Metro Line 1533Shanghai Metro Line 15Q6553078Metro42300Shanghai, ChinaCHNChina20212021
Chengdu Metro Line 534Chengdu Metro Line 5Q22100474Metro42300Chengdu, ChinaCHNChina20192019
Beijing Subway Line 1435Beijing Subway Line 14Q6553070Metro42000Beijing, ChinaCHNChina20212015–2021
Tianjin Metro Line 636Tianjin Metro Line 6Q10940001Metro42000Tianjin, ChinaCHNChina20212016–2021
Downtown line37Downtown lineQ1663943Metro41900MRT, SingaporeSGPSingapore20172013–2017
Nanjing Metro Line 338Nanjing Metro Line 3Q10906683Metro41567Nanjing, ChinaCHNChina20152011–2015
Suzhou Metro: Line 439Suzhou Metro: Line 4Q914748Metro41500Suzhou, ChinaCHNChina20172017
Serpukhovsko-Timiryazevskaya Line (Altufyevo – Bulvar Dmitriya Donskogo)40Serpukhovsko-Timiryazevskaya Line (Altufyevo – Bulvar Dmitriya Donskogo)Q739170Metro41470Moscow Metro, Russia (construction started at the time of Soviet Union)RUSRussia20021983–2002
Madrid Metro: Line 12 (MetroSur)41Madrid Metro: Line 12 (MetroSur)Q191987Metro40900Madrid, SpainESPSpain20031999–2003
Tocho-mae – Shiodome – Hikarigaoka (Toei Oedo Line)42Tocho-mae – Shiodome – Hikarigaoka (Toei Oedo Line)Q246186Metro40700Tokyo, JapanJPNJapan20001991–2000
Kárahnjúkar Hydropower Plant43Kárahnjúkar Hydropower PlantQ692897Hydroelectric39700Fljótsdalshreppur, IcelandISLIceland20072003–2007
Quabbin Aqueduct44Quabbin AqueductQ7268223Water supply39600Massachusetts, United StatesUSAUnited States19331933
Chengdu Metro Line 445Chengdu Metro Line 4Q11074645Metro39300Chengdu, ChinaCHNChina20172015–2017
Chengdu Metro Line 746Chengdu Metro Line 7Q11074646Metro38600Chengdu, ChinaCHNChina20172017
Seoul Subway: Line 3 (Apgujeong–Ogeum)47Seoul Subway: Line 3 (Apgujeong–Ogeum)Q16950Metro38200Seoul, South KoreaKORSouth Korea20101985–2010
Kaluzhsko-Rizhskaya Line (Novoyasenevskaya – Medvedkovo)48Kaluzhsko-Rizhskaya Line (Novoyasenevskaya – Medvedkovo)Q175271Metro37800Moscow Metro, Russia (at the time of construction Soviet Union)RUSRussia19901958–1990
Shenzhen Subway: Luobao Line49Shenzhen Subway: Luobao LineQ867680Metro37497Shenzhen, ChinaCHNChina20112009–2011
Chengdu Metro Line 150Chengdu Metro Line 1Q6118988Metro37470Chengdu, ChinaCHNChina20182010–2018
Harold D. Roberts Tunnel51Harold D. Roberts TunnelQ5276944Water supply37464Colorado, United StatesUSAUnited States19621962
Shenzhen Subway: Shekou Line52Shenzhen Subway: Shekou LineQ867680Metro36146Shenzhen, ChinaCHNChina20112010–2011
Dawushan Tunnel, Niulan River Diversion to Dianchi53Dawushan Tunnel, Niulan River Diversion to DianchiWater supply36137Yunnan, ChinaCHNChina20132013
Circle line54Circle lineQ2154003Metro35700MRT, SingaporeSGPSingapore20122009–2012
Busan Metro: Line 2 (Dongwon–Jangsan)55Busan Metro: Line 2 (Dongwon–Jangsan)Q51972Metro35500Busan, South KoreaKORSouth Korea20091999–2009
Songshan Lake Tunnel56Songshan Lake TunnelRailway35391Dongguan, ChinaCHNChina20162016
Seoul Subway: Line 657Seoul Subway: Line 6Q16950Metro35100Seoul, South KoreaKORSouth Korea20012001
Seoul Subway: Line 7 (Cheongdam–Bupyeong-gu Office)58Seoul Subway: Line 7 (Cheongdam–Bupyeong-gu Office)Q16950Metro35100Seoul, Incheon, Bucheon and Gwangmyeong in South KoreaKORSouth Korea20122000–2012
Tianjin Metro: Line 559Tianjin Metro: Line 5Q515817Metro34800Tianjin, ChinaCHNChina20212018–2021
Lötschberg Base Tunnel60Lötschberg Base TunnelQ660310Railway single track34577Bernese Alps, SwitzerlandCHESwitzerland20072007
Istanbul Metro (Line M4)61Istanbul Metro (Line M4)Q498172Metro34050Istanbul, TurkeyTURTurkey20122012
Tyne-Tees Tunnel62Tyne-Tees TunnelQ7059853Water supply34000England, United KingdomGBRUnited Kingdom19831983 (and earlier)
Guangzhou Metro: Line 863Guangzhou Metro: Line 8Q660751Metro33900Guangzhou, ChinaCHNChina20202010–2020
Mumbai Metro: Line 3 (Aqua Line)64Mumbai Metro: Line 3 (Aqua Line)Q646414Metro33500Mumbai, IndiaINDIndia20212021
Madrid Metro: Line 765Madrid Metro: Line 7Q191987Metro32919Madrid, SpainESPSpain20071974–2007
Koralm Tunnel66Koralm TunnelQ444771Railway twin tube32900Koralpe, AustriaAUTAustria20252025
New Guanjiao Tunnel67New Guanjiao TunnelQ15853219Railway twin tube32645Qinghai, ChinaCHNChina20142014
Meijo Line – Meikō Line68Meijo Line – Meikō LineQ906775Metro32400Nagoya Municipal Subway, JapanJPNJapan20041965–2004
Guangzhou Metro: Line 269Guangzhou Metro: Line 2Q660751Metro32000Guangzhou, ChinaCHNChina20102010
Rathaus Spandau–Rudow (U7)70Rathaus Spandau–Rudow (U7)Q650704Metro31800Berlin U-Bahn, GermanyDEUGermany19841924–1984
Gerede Water Transmission Tunnel71Gerede Water Transmission TunnelWater supply31592Ankara, TurkeyTURTurkey20192019
Seoul Subway: Bundang Line (Seoul Forest–Jukjeon)72Seoul Subway: Bundang Line (Seoul Forest–Jukjeon)Q16950Metro31400Seoul, Seongnam and Yongin in South KoreaKORSouth Korea20121994–2012
Daegu Metro: Line 273Daegu Metro: Line 2Q49458Metro31400Daegu and Gyeongsan in South KoreaKORSouth Korea20122005–2012
Milwaukee Metropolitan Sewerage District Deep Tunnel Phase 174Milwaukee Metropolitan Sewerage District Deep Tunnel Phase 1Q14714547Wastewater31221Milwaukee County, Wisconsin, United StatesUSAUnited States19931993
Beijing Subway: Line 175Beijing Subway: Line 1Q235319Metro31040Beijing, ChinaCHNChina20001971–2000
Bucharest Metro: Line M176Bucharest Metro: Line M1Q622884Metro31010Bucharest, RomaniaROURomania19921979–1992
Istanbul Metro (Line M5)77Istanbul Metro (Line M5)Q498172Metro30900Istanbul, TurkeyTURTurkey20182017–2018
Côte-Vertu – Montmorency (Line 2 Orange)78Côte-Vertu – Montmorency (Line 2 Orange)Q543270Metro30798Montreal Metro, CanadaCANCanada20071966–2007
Shanghai Subway: Line 2 (Shanghai, China)79Shanghai Subway: Line 2Q462201Metro30187Shanghai, ChinaCHNChina20002000
Parnas – Kupchino (line 2)80Parnas – Kupchino (line 2)Q2454808Metro30100Saint Petersburg Metro, Russia (construction started at the time of Soviet Union)RUSRussia20061961–2006
Guangzhou Metro: Line 581Guangzhou Metro: Line 5Q660751Metro29900Guangzhou, ChinaCHNChina20092009
Shandaken Tunnel82Shandaken TunnelQ7487898Water supply29780Catskill Mountains, New York, United StatesUSAUnited States19241924
Shanghai Subway: Line 883Shanghai Subway: Line 8Q462201Metro29650Shanghai, ChinaCHNChina20092007–2009
Prospekt Veteranov – Devyatkino (line 1)84Prospekt Veteranov – Devyatkino (line 1)Q1967220Metro29600Saint Petersburg Metro, Russia (at the time of construction Soviet Union)RUSRussia19781955–1978
Shanghai Subway: Line 1085Shanghai Subway: Line 10Q462201Metro29600Shanghai, ChinaCHNChina20102010
Evinos – Mornos Tunnel86Evinos – Mornos TunnelWater supply29400Aetolia-Acarnania, GreeceGRCGreece19951995
Chengdu Metro Line 287Chengdu Metro Line 2Q4391357Metro29000Chengdu, ChinaCHNChina20132012–2013
Hultman Aqueduct88Hultman AqueductQ19876396Water supply28640Eastern Massachusetts, United StatesUSAUnited States19391939
Sydney Metro City89Sydney Metro CityQ7305836Metro28500Sydney, New South Wales, AustraliaAUSAustralia20242019–2024
Guadarrama Tunnel90Guadarrama TunnelQ681016Railway twin tube28377Sierra de Guadarrama, SpainESPSpain20072007
MetroWest Water Supply Tunnel91MetroWest Water Supply TunnelQ6824448Water supply28300Eastern Massachusetts, United StatesUSAUnited States20032003
West Qinling Tunnel92West Qinling TunnelQ7986307Railway twin tube28236Gansu, ChinaCHNChina20162016
Taipei Metro: Blue Line93Taipei Metro: Blue LineQ714810Metro28200Taipei, TaiwanTWNTaiwan20151999–2015
Beijing Subway: Line 494Beijing Subway: Line 4Q235319Metro28165Beijing, ChinaCHNChina20102009–2010
Seoul Subway: Line 9 (Gimpo Airport–Sports Complex)95Seoul Subway: Line 9 (Gimpo Airport–Sports Complex)Q16950Metro28100Seoul, South KoreaKORSouth Korea20152009–2015
Taihang Tunnel96Taihang TunnelQ7675971Railway single tube27848Taihang Mountains, ChinaCHNChina20072007
Morden–East Finchley (Northern line)97Morden–East Finchley (Northern line)Q1947443Metro27800London Underground, England, United KingdomGBRUnited Kingdom19401890–1940
Shenyang Subway: Line 198Shenyang Subway: Line 1Q646466Metro27800Shenyang, ChinaCHNChina20102010
Melamchi Water Tunnel99Melamchi Water TunnelQ3415895Water supply27000Melamchi to Kathmandu, NepalNPLNepal20212021
Seoul Subway: Incheon Line 1 (Bakchon–International Business District)100Seoul Subway: Incheon Line 1 (Bakchon–International Business District)Q16950Metro27000Incheon, South KoreaKORSouth Korea20091999–2009
Dainichi–Nagahara (Tanimachi Line)101Dainichi–Nagahara (Tanimachi Line)Q681742Metro26900Osaka Metro, JapanJPNJapan19831967–1983
LEP Tunnel102LEP TunnelQ659029Particle accelerator26659CERN, Switzerland/FranceCHESwitzerland19881988 (breakthrough)
Hakkōda Tunnel (Tōhoku Shinkansen)103Hakkōda Tunnel (Tōhoku Shinkansen)Q284705Railway single tube26455Hakkōda Mountains, JapanJPNJapan20102010
Şanlıurfa Irrigation Tunnels104Şanlıurfa Irrigation TunnelsQ8082421Water supply26400TurkeyTURTurkey20052005
Shanghai Subway: Line 9105Shanghai Subway: Line 9Q462201Metro26263Shanghai, ChinaCHNChina20102007–2010
Gilgel Gibe II Power Station headrace tunnel106Gilgel Gibe II Power Station headrace tunnelQ2884950Hydroelectric26000EthiopiaETHEthiopia20092005–2009
#5 Tunnel, Yellow River Diversion to Shanxi South Line107#5 Tunnel, Yellow River Diversion to Shanxi South LineWater supply26000Shanxi, ChinaCHNChina20022002
Daegu Metro: Line 1108Daegu Metro: Line 1Q49458Metro25900Daegu, South KoreaKORSouth Korea20021997–2002
Iwate-Ichinohe Tunnel109Iwate-Ichinohe TunnelQ383972Railway single tube25810Ōu Mountains, JapanJPNJapan20022002
MRT Blue Line110MRT Blue LineQ2486364Metro25800Bangkok, ThailandTHAThailand20042004
Sudbury Aqueduct111Sudbury AqueductQ7633494Water supply25750Eastern Massachusetts, United StatesUSAUnited States18781878
Suzhou Metro: Line 1112Suzhou Metro: Line 1Q914748Metro25739Suzhou, ChinaCHNChina20112007–2011
Line 3 (Athens Metro)113Line 3 (Athens Metro)Q6553119Metro25200Athens, GreeceGRCGreece20221992–2022
Helsinki metro (Kivenlahti–Sörnäinen)114Helsinki metro (Kivenlahti–Sörnäinen)Q207287Metro25200Espoo and Helsinki, FinlandFINFinland20221982–2022
Taipei Metro: Orange Line (Huilong – Nanshijiao)115Taipei Metro: Orange Line (Huilong – Nanshijiao)Q714810Metro25100Taipei, TaiwanTWNTaiwan20131998–2013
Musil Tunnel116Musil TunnelRailway twin tube25080Wonju–Jecheon (Jungang Line), South KoreaKORSouth Korea20212021
Thames Tideway Tunnel117Thames Tideway TunnelQ17018923Wastewater25000London, England, United KingdomGBRUnited Kingdom20252025
Pajares Base Tunnel118Pajares Base TunnelQ954467Railway twin tube24667Asturias/León, SpainESPSpain20232023
Lærdal Tunnel119Lærdal TunnelQ303563Road24510Lærdal–Aurland, NorwayNORNorway20002000
Yellow Line (Delhi Metro): Guru Tegh Bahadur Nagar – Saket120Yellow Line (Delhi Metro): Guru Tegh Bahadur Nagar – SaketQ795156Metro24000Delhi, IndiaINDIndia20102004–2010
Madrid Metro: Line 1121Madrid Metro: Line 1Q191987Metro23876Madrid, SpainESPSpain20071919–2007
Lainzer/Wienerwaldtunnel122Lainzer/WienerwaldtunnelQ873414Railway23844west of Vienna, AustriaAUTAustria20122012
Harbour Area Treatment Scheme (HATS) Stage 1123Harbour Area Treatment Scheme (HATS) Stage 1Q11703256Wastewater23600Hong Kong, China (construction started in British Hong Kong)HKGHong Kong20012001
Eucumbene-Snowy Tunnel124Eucumbene-Snowy TunnelWater supply23500New South Wales, AustraliaAUSAustralia19651965
South Lüliangshan Tunnel125South Lüliangshan TunnelRailway23473Shanxi, ChinaCHNChina20142014
Madrid Metro: Line 6126Madrid Metro: Line 6Q191987Metro23472Madrid, SpainESPSpain20071979–2007
Angrignon – Honoré-Beaugrand (Line 1 Green)127Angrignon – Honoré-Beaugrand (Line 1 Green)Q543509Metro23262Montreal Metro, CanadaCANCanada20071966–2007
Warsaw Metro Line 1: Kabaty – Młociny128Warsaw Metro Line 1: Kabaty – MłocinyQ320028Metro23100Warsaw, PolandPOLPoland20081983–2008
Beijing Subway: Line 2129Beijing Subway: Line 2Q235319Metro23100Beijing, ChinaCHNChina19871969–1987
Xinma Hydroelectric Power Station Water Tunnel130Xinma Hydroelectric Power Station Water TunnelHydroelectric22975Sichuan, ChinaCHNChina20092009
Iiyama Tunnel131Iiyama TunnelRailway22225Iiyama, JapanJPNJapan20152015
Daishimizu Tunnel132Daishimizu TunnelQ2623189Railway22221Mount Tanigawa, JapanJPNJapan19821982
Eucumbene-Tumut Tunnel133Eucumbene-Tumut TunnelWater supply22200New South Wales, AustraliaAUSAustralia19591959
Tianshan Shengli Tunnel134Tianshan Shengli TunnelRoad twin tube22130Xinjiang, ChinaCHNChina20252025
WestConnex135WestConnexQ7984181Road22000Sydney, New South Wales, AustraliaAUSAustralia20232023 (2019–2020 partial completion)
Daegwallyeong Tunnel136Daegwallyeong TunnelRailway21755Pyeongchang–Gangneung (Gyeonggang Line), South KoreaKORSouth Korea20172017
Vorotan–Arpa Tunnel137Vorotan–Arpa TunnelQ737363Water supply21652Armenia (construction started at the time of Soviet Union)ARMArmenia20042004
Alva B. Adams Tunnel138Alva B. Adams TunnelQ4737615Water supply & hydroelectric21100Colorado, United StatesUSAUnited States19471947 (opened)
UNK proton accelerator139UNK proton acceleratorQ7865346Particle accelerator (incomplete)21000Protvino, Russia (construction started at the time of Soviet Union)RUSRussia19941994 (breakthrough)
Guangfo Metro140Guangfo MetroQ3272527Metro20900Foshan, ChinaCHNChina20102010
Luliangshan Tunnel141Luliangshan TunnelQ6711555Railway twin tube20785Shanxi, ChinaCHNChina20112011
Shanghai Subway: Line 4142Shanghai Subway: Line 4Q462201Metro20740Shanghai, ChinaCHNChina20072005–2007
Barcelona Metro: Line 1143Barcelona Metro: Line 1Q237189Metro20700Barcelona, SpainESPSpain19921926–1992
Ward Tunnel144Ward TunnelQ7106262Hydroelectric20610California, United StatesUSAUnited States19251920–1925
Busan Metro: Line 1 (Hadan-Busan Nat'l Univ. of Education)145Busan Metro: Line 1 (Hadan-Busan Nat'l Univ. of Education)Q51972Metro20600Busan, South KoreaKORSouth Korea19941985–1994
Xian Subway: Line 2146Xian Subway: Line 2Q555733Metro20500Xi'an, ChinaCHNChina20112011
Daejeon Metro: Line 1147Daejeon Metro: Line 1Q624200Metro20470Daejeon, South KoreaKORSouth Korea20072006–2007
Nanjing Metro Line 2148Nanjing Metro Line 2Q5960302Metro20380Nanjing, ChinaCHNChina20102010
Shanghai Subway: Line 6149Shanghai Subway: Line 6Q462201Metro20336Shanghai, ChinaCHNChina20072007
Geumjeong Tunnel150Geumjeong TunnelRailway20323Busan, South KoreaKORSouth Korea20102010
Baku Metro (Red Line)151Baku Metro (Red Line)Q213271Metro20100Baku, AzerbaijanAZEAzerbaijan20021967–2002
Wushaoling Tunnel152Wushaoling TunnelQ572012Railway twin tube20060Wuwei, ChinaCHNChina20072006–2007
Olmos Transandino Project153Olmos Transandino ProjectQ5644717Water supply20000Guabal, PeruPERPeru20112011
The London Connection154The London ConnectionElectric power transmission tunnel20000London, England, United KingdomGBRUnited Kingdom20052005
Simplon Tunnel155Simplon TunnelQ599515Railway twin tube19803Lepontine Alps, Switzerland/ItalyCHESwitzerland19061906
Mantaro Hydroelectricity Project Tunnel156Mantaro Hydroelectricity Project TunnelHydroelectric19800Colcabamba, PeruPERPeru19731973
Shin Hokuriku Tunnel157Shin Hokuriku TunnelRailway19760Fukui Prefecture, JapanJPNJapan20242024
Ankara Metro (AKM-Koru)158Ankara Metro (AKM-Koru)Q748402Metro19660Ankara, TurkeyTURTurkey20141997–2014
Follo Line159Follo LineQ3353565Railway19500Oslo, NorwayNORNorway20222022
Koltsevaya Line (Circle Line)160Koltsevaya Line (Circle Line)Q831673Metro19400Moscow Metro, Russia (at the time of construction Soviet Union)RUSRussia19541950–1954
Futang Hydroelectric Power Station Water Tunnel161Futang Hydroelectric Power Station Water TunnelHydroelectric19319Sichuan, ChinaCHNChina20042004
Seoul Subway: Bundang Line (Suwon station–Jukjeon station)162Seoul Subway: Bundang Line (Suwon station–Jukjeon station)Q16950Metro19300Yongin and Suwon in South KoreaKORSouth Korea20132007–2013
Qamchiq Tunnel163Qamchiq TunnelQ22996928Railway single tube19200Angren–Pap railway, UzbekistanUZBUzbekistan20162016
North East line164North East lineQ1725116Metro19200MRT, SingaporeSGPSingapore20112003–2011
Suzhou Metro: Line 2165Suzhou Metro: Line 2Q914748Metro19146Suzhou, ChinaCHNChina20122009–2012
Maskoŭskaja Line166Maskoŭskaja LineQ28604Metro19100Minsk Metro, Belarus (construction started at the time of Soviet Union)BLRBelarus20141984–2014
Vereina167VereinaQ668000Railway single track19058Silvretta, SwitzerlandCHESwitzerland19991999
Seoul Subway: Line 4 (Ssangmun–Ichon)168Seoul Subway: Line 4 (Ssangmun–Ichon)Q16950Metro19000Seoul, South KoreaKORSouth Korea19801980
Harbour Area Treatment Scheme (HATS) Stage 2169Harbour Area Treatment Scheme (HATS) Stage 2Q11703256Wastewater18800Hong Kong, ChinaHKGHong Kong20152015
Shin-Kanmon Tunnel170Shin-Kanmon TunnelQ8016189Railway18713Kanmon Straits, JapanJPNJapan19751975
Shiziping Hydroelectric Power Station Water Tunnel171Shiziping Hydroelectric Power Station Water TunnelHydroelectric18712Sichuan, ChinaCHNChina20102010
Vaglia172VagliaQ82876Railway single tube18711Bologna – Firenze, ItalyITAItaly20092009
Baoxing Hydroelectric Power Station Water Tunnel173Baoxing Hydroelectric Power Station Water TunnelQ11996683Hydroelectric18676Sichuan, ChinaCHNChina20072007
Apennine Base Tunnel174Apennine Base TunnelQ618197Railway single tube18507Tuscan-Emilian Apennines, ItalyITAItaly19341934
Obolonsko–Teremkivska line175Obolonsko–Teremkivska lineQ2204296Metro18480Kyiv Metro, Ukraine (construction started at the time of Soviet Union)UKRUkraine20131976–2013
Istanbul Metro (Line M3)176Istanbul Metro (Line M3)Q498172Metro18460Istanbul, TurkeyTURTurkey20222013–2022
Qinling Tunnel I-II177Qinling Tunnel I-IIRailway twin tube18460Qin Mountains, ChinaCHNChina20002000
Tatev Hydroelectric Power Station Water Tunnel178Tatev Hydroelectric Power Station Water TunnelQ23038779Hydroelectric18400Armenia (at the time of construction Soviet Union)ARMArmenia19701970
Yamate Tunnel179Yamate TunnelQ6142370Road twin tube18200Tokyo, JapanJPNJapan20152015
South Taihangshan Tunnel180South Taihangshan TunnelRailway18125Shanxi, ChinaCHNChina20142014
Shanghai Subway: Line 1181Shanghai Subway: Line 1Q462201Metro18110Shanghai, ChinaCHNChina19951995
Avtozavodskaya Line182Avtozavodskaya LineQ2638932Metro18100Minsk Metro, Belarus (construction started at the time of Soviet Union)BLRBelarus20051990–2005
Zhongnanshan Tunnel183Zhongnanshan TunnelQ197883Road twin tube18040Shaanxi, ChinaCHNChina20072007
Line 2 (Athens Metro)184Line 2 (Athens Metro)Q9295813Metro17900Athens, GreeceGRCGreece20131991–2013
Beijing Subway: Line 5185Beijing Subway: Line 5Q235319Metro17825Beijing, ChinaCHNChina20072007
Shuakhevi headrace and pressure tunnel186Shuakhevi headrace and pressure tunnelQ6002123Hydroelectric17800Shuakhevi, Adjara, GeorgiaGEOGeorgia (country)20172013–2017
Jingpingshan187JingpingshanRoad17500Sichuan, ChinaCHNChina20082008
Shenzhen Subway: Longgang Line188Shenzhen Subway: Longgang LineQ867680Metro17333Shenzhen, ChinaCHNChina20112010–2011
Kholodnohirsko–Zavodska Line189Kholodnohirsko–Zavodska LineQ2710248Metro17300Kharkiv Metro, Ukraine (at the time of construction Soviet Union)UKRUkraine19781975–1978
Seoul Subway: Shinbundang Line190Seoul Subway: Shinbundang LineQ16950Metro17300Seoul and Seongnam in South KoreaKORSouth Korea20112011
Mavi Tünel (Blue Tunnel)191Mavi Tünel (Blue Tunnel)Q6037835Water supply17034Konya, TurkeyTURTurkey20122012
Gotthard Road Tunnel192Gotthard Road TunnelQ684927Road16918Lepontine Alps, SwitzerlandCHESwitzerland19801980
İzmir Metro Line M1193İzmir Metro Line M1Q3238655Metro16900İzmir, TurkeyTURTurkey20232000–2023
Guangzhou Metro: Line 4194Guangzhou Metro: Line 4Q660751Metro16790Guangzhou, ChinaCHNChina20052005
Barcelona Metro: Line 4195Barcelona Metro: Line 4Q237189Metro16700Barcelona, SpainESPSpain19991929–1999
Seoul Subway: Line 2 (Jamsil–Sillim)196Seoul Subway: Line 2 (Jamsil–Sillim)Q16950Metro16700Seoul, South KoreaKORSouth Korea19841980–1984
Barcelona Metro: Line 3197Barcelona Metro: Line 3Q237189Metro16600Barcelona, SpainESPSpain20011924–2001
Barcelona Metro: Line 5198Barcelona Metro: Line 5Q237189Metro16600Barcelona, SpainESPSpain19831959–1983
Murrumbidgee-Eucumbene Tunnel199Murrumbidgee-Eucumbene TunnelWater supply16600New South Wales, AustraliaAUSAustralia19611961
Istanbul Metro (Line M2)200Istanbul Metro (Line M2)Q498172Metro16500Istanbul, TurkeyTURTurkey20092000–2009
Beijing Subway: Line 9201Beijing Subway: Line 9Q235319Metro16500Beijing, ChinaCHNChina20122011–2012
Jinkang Hydroelectric Power Station Water Tunnel202Jinkang Hydroelectric Power Station Water TunnelHydroelectric16490Sichuan, ChinaCHNChina20062006
Madrid Metro: Line 8203Madrid Metro: Line 8Q191987Metro16467Madrid, SpainESPSpain20071998–2007
Guangzhou Metro: Line 1204Guangzhou Metro: Line 1Q660751Metro16449Guangzhou, ChinaCHNChina19971997
Madrid Metro: Line 3205Madrid Metro: Line 3Q191987Metro16424Madrid, SpainESPSpain20071939–2007
Rokkō Tunnel206Rokkō TunnelQ11392446Railway16250Mount Rokkō, JapanJPNJapan19721972
Solan Tunnel207Solan TunnelQ497511Railway16240Taebaek, Gangwon-do, South KoreaKORSouth Korea20122012
Kemano T1 and T2208Kemano T1 and T2Q21188284Hydroelectric twin tube16000Kemano, CanadaCANCanada19541954; 2022
Seoul Subway: Line 7 (Suraksan–Konkuk University)209Seoul Subway: Line 7 (Suraksan–Konkuk University)Q16950Metro16000Seoul, South KoreaKORSouth Korea19961996
Münsterertunnel210MünsterertunnelRailway15990Tyrol, AustriaAUTAustria20122012
Xiangshan Tunnel 象山隧道211Xiangshan Tunnel 象山隧道Railway15917Fujian, ChinaCHNChina20122012
Terfenertunnel212TerfenertunnelRailway15840Tyrol, AustriaAUTAustria20122012
Henderson Tunnel213Henderson TunnelFormer railway15800Front Range, United StatesUSAUnited States19761976
Istanbul Metro (Line M9)214Istanbul Metro (Line M9)Q498172Metro15800Istanbul, TurkeyTURTurkey20242013–2024
Pandaoling Tunnel, Datong River Diversion to Shaanxi Project215Pandaoling Tunnel, Datong River Diversion to Shaanxi ProjectWater supply15723Shaanxi, ChinaCHNChina19941994
Copenhagen Metro: City Circle Line216Copenhagen Metro: City Circle LineQ212741Metro15500DenmarkDNKDenmark20192019
Budapest Metro: Line 3217Budapest Metro: Line 3Q692916Metro15500HungaryHUNHungary19901976–1990
Furka Base218Furka BaseQ665158Railway single track15442Urner Alps, SwitzerlandCHESwitzerland19821982
Ceneri Base Tunnel219Ceneri Base TunnelQ666767Railway twin tube15400Lepontine Alps, SwitzerlandCHESwitzerland20202020
Seoul Subway: Line 3 (Gupabal–Geumho)220Seoul Subway: Line 3 (Gupabal–Geumho)Q16950Metro15400Seoul, South KoreaKORSouth Korea19851985
Tianjin Subway: Line 1221Tianjin Subway: Line 1Q515817Metro15378Tianjin, ChinaCHNChina20061976–2006
Haruna Tunnel222Haruna TunnelQ11541885Railway15350Gunma Prefecture, JapanJPNJapan19821982
Severomuysky Tunnel223Severomuysky TunnelQ1520900Railway single track15343Severomuysky Range, Russia (construction started at the time of Soviet Union)RUSRussia20032003
Deer Island Outfall Tunnel224Deer Island Outfall TunnelQ5250772Wastewater15290Deer Island, Boston, Massachusetts, United StatesUSAUnited States20002000
Firenzuola225FirenzuolaQ82693Railway single tube15285Bologna – Firenze, ItalyITAItaly20092009
Inguri Hydroelectric Power Station Water Tunnel226Inguri Hydroelectric Power Station Water TunnelQ162887Hydroelectric15279Georgia (at the time of construction Soviet Union)GEOGeorgia (country)19781978
Shanghai Subway: Line 2 #2227Shanghai Subway: Line 2Q462201Metro15274Shanghai, ChinaCHNChina20002000
Jinquidi Tunnel, Niulan River Diversion to Dianchi228Jinquidi Tunnel, Niulan River Diversion to DianchiWater supply15257Yunnan, ChinaCHNChina20132013
Baotan Hydroelectric Power Station Water Tunnel229Baotan Hydroelectric Power Station Water TunnelHydroelectric15200Guangxi, ChinaCHNChina20102010
Gorigamine Tunnel230Gorigamine TunnelQ11372710Railway15175Nagano Prefecture, JapanJPNJapan19971997
Xuecheng Hydroelectric Power Station Water Tunnel231Xuecheng Hydroelectric Power Station Water TunnelHydroelectric15174Sichuan, ChinaCHNChina20072007
Monte Santomarco232Monte SantomarcoQ3757698Railway single track15040Paola – Cosenza, ItalyITAItaly19871987
Gotthard Rail Tunnel233Gotthard Rail TunnelQ688618Railway single tube15003Lepontine Alps, SwitzerlandCHESwitzerland18821882
Gwangju Metro: Line 1 (Sotae station–Dosan station)234Gwangju Metro: Line 1 (Sotae station–Dosan station)Q495335Metro15000Gwangju, South KoreaKORSouth Korea20042004
Nakayama Tunnel235Nakayama TunnelQ17226481Railway14857Gunma Prefecture, JapanJPNJapan19821982
Dangara Irrigation Tunnel236Dangara Irrigation TunnelWater supply14800Nurek, Tajikistan (at the time of construction Soviet Union)TJKTajikistan19871987
Cuajone-El Sargento237Cuajone-El SargentoRailway14724Ilo-Toquepala / Cuajone Industrial Railroad – Southern Peru Copper Corporation, PeruPERPeru19751975
Mount Macdonald Tunnel238Mount Macdonald TunnelQ1950320Railway single tube14723Rogers Pass, Glacier National Park, CanadaCANCanada19891989
Misaka Sasago Tunnel239Misaka Sasago TunnelRailway (maglev)14613Yamanashi, JapanJPNJapan19961996
Lötschberg Tunnel240Lötschberg TunnelQ672167Railway single tube14612Bernese Alps, SwitzerlandCHESwitzerland19131913
Caoe River Diversion Project241Caoe River Diversion ProjectWater supply14600Zhejiang, ChinaCHNChina20112011
Romerike Tunnel242Romerike TunnelQ1769246Railway single tube14580Oslo – Lillestrøm, NorwayNORNorway19991999
Fajiushan Tunnel243Fajiushan TunnelRailway14573Shanxi, ChinaCHNChina20142014
Snowy-Geehi Tunnel244Snowy-Geehi TunnelWater supply14500New South Wales, AustraliaAUSAustralia19661966
Baku Metro (Green Line)245Baku Metro (Green Line)Q213271Metro14500Baku AzerbaijanAZEAzerbaijan20111976–2011
Seoul Subway: Line 4 (Isu–Beomgye)246Seoul Subway: Line 4 (Isu–Beomgye)Q16950Metro14500Seoul, Gwacheon and Anyang in South KoreaKORSouth Korea19941980–1994
Zigana Tunnel247Zigana TunnelQ28220601Road twin tube14481Torul–Maçka, TurkeyTURTurkey20232023
Jisha Hydroelectric Power Station Water Tunnel248Jisha Hydroelectric Power Station Water TunnelHydroelectric14467Yunnan, ChinaCHNChina20072007
Ryfylke Tunnel249Ryfylke TunnelQ20751227Road twin tube14400Stavanger–Strand, NorwayNORNorway20192019
#6 Tunnel, Yellow River Diversion to Shanxi South Line250#6 Tunnel, Yellow River Diversion to Shanxi South LineWater supply14400Shanxi, ChinaCHNChina20022002
Ala Mountain Pass Water Supply Project251Ala Mountain Pass Water Supply ProjectWater supply14346Xinjiang, ChinaCHNChina20102010
Ovit Tunnel252Ovit TunnelQ6922627Road twin tube14346Erzurum Province–Rize Province, TurkeyTURTurkey20182018
Stockholm Metro: Tunnelbana 3 (Blue Line) Kungsträdgården–Hjulsta253Stockholm Metro: Tunnelbana 3 (Blue Line) Kungsträdgården–HjulstaQ272926Metro14300Stockholm, SwedenSWESweden19771975–1977
Dayaoshan Tunnel254Dayaoshan TunnelRailway single tube14294Nanling Mountains, ChinaCHNChina19871987
Istanbul Metro (Line M8)255Istanbul Metro (Line M8)Q498172Metro14270Istanbul, TurkeyTURTurkey20232023
Zaramag Hydroelectric Power Station Water Tunnel256Zaramag Hydroelectric Power Station Water TunnelHydroelectric14226Ardon River, North Ossetia, RussiaRUSRussia20152015
Tooma-Tumut Tunnel257Tooma-Tumut TunnelWater supply14200New South Wales, AustraliaAUSAustralia19611961
Metro Lisbon – Blue (Seagull) Line258Metro Lisbon – Blue (Seagull) LineQ746032Metro14000Lisbon, PortugalPRTPortugal20071959–2007
MTR – Island line (West of Heng Fa Chuen)259MTR – Island line (West of Heng Fa Chuen)Q989316Metro14000Hong Kong, China (construction started at the time of British Hong Kong)HKGHong Kong20141985–2014
Arlberg Road Tunnel260Arlberg Road TunnelQ669602Road13972Arlberg, AustriaAUTAustria19781978
Shanggongshan Tunnel, Zhangjiuhe Water Supply Project261Shanggongshan Tunnel, Zhangjiuhe Water Supply ProjectWater supply13941Yunnan, ChinaCHNChina20072007
Dayingshan #4 Hydroelectric Power Station Water Tunnel262Dayingshan #4 Hydroelectric Power Station Water TunnelHydroelectric13932Yunnan, ChinaCHNChina20092009
Hokuriku Tunnel263Hokuriku TunnelQ11404391Railway13870Fukui Prefecture, JapanJPNJapan19621962
Xiapu Tunnel264Xiapu TunnelRailway single tube13838Fujian, ChinaCHNChina20092009
Yesanguan Tunnel265Yesanguan TunnelRailway twin tube13838Hubei, ChinaCHNChina20102010
Centrala Hidroelectrică Lotru-Ciunget266Centrala Hidroelectrică Lotru-CiungetHydroelectric13719Ciungetu, RomaniaROURomania19721972
Fréjus (Mont Cenis)267Fréjus (Mont Cenis)Q537800Railway single tube13657Alps, France/Italy (construction started in the Kingdom of Sardinia)FRAFrance18711871
Xishan Tunnel268Xishan TunnelRoad twin tube13654Shanxi, ChinaCHNChina20122012
North Tianshan Tunnel269North Tianshan TunnelRailway single tube13610Xinjiang, ChinaCHNChina20092009
Marmaray270MarmarayQ497844Railway13600Istanbul, TurkeyTURTurkey20132013
Savio Rail Tunnel271Savio Rail TunnelQ599128Railway single track13575Helsinki – Kerava, FinlandFINFinland20082008
Busan Metro: Line 3 (Suyeong–Deokcheon)272Busan Metro: Line 3 (Suyeong–Deokcheon)Q51972Metro13500Busan, South KoreaKORSouth Korea20052005
Shin Shimizu Tunnel273Shin Shimizu TunnelQ22329636Railway twin tube13500Mount Tanigawa, JapanJPNJapan19671967
Mount Erlang Tunnel274Mount Erlang TunnelQ6920669Road13433Sichuan, ChinaCHNChina20182018
Hex River Tunnel275Hex River TunnelQ4940470Railway single track13400Hex River Pass, South AfricaZAFSouth Africa19891989
Wonhyo Tunnel276Wonhyo TunnelRailway13270Ulsan, South KoreaKORSouth Korea20102010
Dabieshan Tunnel277Dabieshan TunnelRailway single tube13256Hubei, ChinaCHNChina20082008
Schlern Tunnel278Schlern TunnelRailway13159South Tyrol, ItalyITAItaly19931993
Caponero-Capoverde279Caponero-CapoverdeQ302337Railway single tube13135Genova – Ventimiglia, ItalyITAItaly20012001
Hongtiguan Tunnel280Hongtiguan TunnelRoad twin tube13122Shanxi, ChinaCHNChina20132013
Barcelona Metro line 2281Barcelona Metro line 2Q1348921Metro13100Barcelona, SpainESPSpain19971985–1997
Aki Tunnel282Aki TunnelQ65261035Railway13030Hiroshima Prefecture, JapanJPNJapan19751975