Download Excel File List of Longest Tunnels in the World

SNo,Name,Location,Length,Type,Year,Comment1,Delaware Aqueduct,"New York state, United States","137,000m (85.1mi)",Water supply,1945,"New York City's main water supply tunnel, drilled through solid rock."2,Pijnne Water Tunnel,"Southern Finland, Finland","120,000m (74.6mi)",Water supply,1982,16 m2 cross section3,Dahuofang Water Tunnel,"Liaoning Province, China","85,320m (53.0mi)",Water supply,2009,8 m in diameter4,OrangeFish River Tunnel,South Africa,"82,800m (51.4mi)",Water supply,1972,longest continuous enclosed aqueduct in the southern hemisphere (22.5m2 cross section)5,Bolmen Water Tunnel,"Kronoberg/Scania, Sweden","82,000m (51.0mi)",Water supply,1987,8m26,Guangzhou Metro: Line 3,"Guangzhou, China","60,400m (37.5mi)Excl. branch",Metro,2005-2010,longest metro/rapid transit tunnel,,,,,,longest railway tunnel7,Tunel Emisor Oriente: Water management in Greater Mexico City,"Mexico City, Mexico","62,500m (38.8mi)",Waterwaste,2006-2012,longest waterwaste tunnel8,Beijing Subway: Line 10,"Beijing, China","57,100m (35.5mi)",Metro,2008-2012,9,Seikan Tunnel,"Tsugaru Strait, Japan","53,850m (33.5mi)",Railway Single Tube,1988,"longest railway tunnel excluding urban metro lines with intermediate stations, 74m2"10,elivka Water Tunnel,"Central Bohemian Region, Czech Republic","51,075m (31.7mi)",Water supply,1972,5m211,Channel Tunnel,"English Channel, United Kingdom/France","50,450m (31.3mi)",Railway Twin Tube,1994,"longest underwater section, longest international tunnel, second-longest railway tunnel (245m2 + 118m2)"12,Arpa-Sevan Tunnel,Armenia,"48,300m (30.0mi)",Water supply,1981,,,(at the time of construction Soviet Union),,,,13,Seoul Subway: Line 5,"Seoul, South Korea","47,600m (29.6mi)",Metro,1995,14,"#1 Tunnel, Yellow River Diversion to Shanxi North Line","Shanxi, China","43,670m (27.1mi)",Water supply,2011,15,"#7 Tunnel, Yellow River Diversion to Shanxi South Line","Shanxi, China","43,500m (27.0mi)",Water supply,2002,16,Altufyevo - Bulvar Dmitriya Donskogo (line 9),"Moscow Metro, Russia","41,500m (25.8mi)",Metro,19832002,17,Metro Madrid: L-12 (Metro Sur),"Madrid, Spain","40,900m (25.4mi)",Metro,19992003,18,Tocho-mae - Shiodome - Hikarigaoka (Toei Oedo Line),"Tokyo, Japan","40,700m (25.3mi)",Metro,19912000,Tokyo Metropolitan Bureau of Transportation19,Shanghai Subway: Line 7,"Shanghai, China","40,200m (25.0mi)",Metro,2009-2011,20,Krahnjkar Hydroelectric Powerplant,"Austurland, Iceland","39,700m (24.7mi)",Hydroelectric,20032007,7.2-7.6 meters in diameter. Part of a wider complex of tunnels that are 72 kilometers in length combined21,Quabbin Aqueduct,"Massachusetts, United States","39,600m (24.6mi)",Water supply,18971905,22,Medvedkovo - Novoyasenevskaya (line 6),"Moscow Metro, Russia","37,600m (23.4mi)",Metro,19581990,longest railway tunnel 19781984 and from November 1987 till March 1988; longest metro/rapid transit tunnel 1990-199523,Shenzhen Subway: Luobao Line,"Shenzhen, China","37,497m (23.3mi)",Metro,2009-2011,24,Shenzhen Subway: Shekou Line,"Shenzhen, China","36,146m (22.5mi)",Metro,2010-2011,25,"Dawushan Tunnel, Niulan River Diversion to Dianchi","Yunnan, China","36,137m (22.5mi)",Water supply,2013,26,Shanghai Subway: Line 10,"Shanghai, China","36,000m (22.4mi)",Metro,2010,27,Singapore: Circle Line,"Singapore, Singapore","35,700m (22.2mi)",Metro,2012,28,Seoul Subway: Line 6,"Seoul, South Korea","35,100m (21.8mi)",Metro,2001,29,Ltschberg Base Tunnel,"Bernese Alps, Switzerland","34,577m (21.5mi)",Railway Single Track,2007,"longest land tunnel, single track along 22km"30,Tyne-Tees Tunnel,"England, United Kingdom","34,000m (21.1mi)",Water supply,,Northumbrian water supply tunnel.31,Metro Madrid: L-7,"Madrid, Spain","32,919m (20.5mi)",Metro,19742007,32,Meijo Line - Meik? Line,"Nagoya Municipal Subway, Japan","32,400m (20.1mi)",Metro,19652004,33,Guangzhou Subway: Line 2,"Guangzhou, China","32,000m (19.9mi)",Metro,2010,34,Rathaus Spandau-Rudow (U7),"Berlin U-Bahn, Germany","31,800m (19.8mi)",Metro,19241984,35,Beijing Subway: Line 1,"Beijing, China","31,040m (19.3mi)",Metro,1971-1987,36,Beijing Subway: Line 4,"Beijing, China","30,950m (19.2mi)",Metro,2009-2010,37,Cte-Vertu - Montmorency (Line 2 Orange),"Montreal Metro, Canada","30,798m (19.1mi)",Metro,19662007,38,Shanghai Subway: Line 2,"Shanghai, China","30,187m (18.8mi)",Metro,2000,39,Parnas - Kupchino (line 2),"Saint Petersburg Metro, Russia","30,100m (18.7mi)",Metro,19612006,40,Guangzhou Subway: Line 5,"Guangzhou, China","29,900m (18.6mi)",Metro,2009,41,Shanghai Subway: Line 8,"Shanghai, China","29,650m (18.4mi)",Metro,2007-2009,42,Prospekt Veteranov - Devyatkino (line 1),"Saint Petersburg Metro, Russia","29,600m (18.4mi)",Metro,19551978,43,Evinos - Mornos Tunnel,"Aetolia-Acarnania, Greece","29,400m (18.3mi)",Water Supply,1992-1995,44,Hultman Aqueduct,"Eastern Massachusetts, United States","28,640m (17.8mi)",Water Supply,1939,11.5ft (3.5m) to 14ft (4.3m) diameter; offline for rehabilitation45,Guadarrama Tunnel,"Sierra de Guadarrama, Spain","28,377m (17.6mi)",Railway Twin Tube,2007,46,MetroWest Water Supply Tunnel,"Eastern Massachusetts, United States","28,300m (17.6mi)",Water Supply,19962003,14ft (4.3m) diameter47,Zyablikovo - Maryina Roshcha (line 10),"Moscow Metro, Russia","28,200m (17.5mi)",Metro,19952011,48,Taihang Tunnel,"Taihang Mountains, China","27,848m (17.3mi)",Railway Single Tube,2007,on Shijiazhuang-Taiyuan high-speed railway49,Morden - East Finchley (Northern Line),"London Underground, England, United Kingdom","27,800m (17.3mi)",Metro,18901940,Longest railway tunnel in UK50,Shenyang Subway: Line 1,"Shenyang, China","27,800m (17.3mi)",Metro,2010,51,MRT Blue Line,"Bangkok, Thailand","27,000m (16.8mi)",Metro,2004,second phase will be open in 201752,Dainichi-Nagahara (Tanimachi Line),"Osaka Municipal Subway, Japan","26,900m (16.7mi)",Metro,19671983,53,LEP Tunnel,"CERN, Switzerland/France","26,659m (16.6mi)",Particle accelerator,1989,"11.315.9 m2 circular ring, now used by Large Hadron Collider"54,?stanbul Metro (Line M4),"?stanbul, Turkey","26,500m (16.5mi)",Metro,2012,55,Hakk?daTunnel(T?hoku Shinkansen),"Hakk?da Mountains, Japan","26,455m (16.4mi)",Railway Single Tube,2010,6474 m256,?anl?urfa Irrigation Tunnels,Turkey,"26,400m (16.4mi)",Irrigation,2005,57,Shanghai Subway: Line 9,"Shanghai, China","26,263m (16.3mi)",Metro,2007-2010,58,Gilgel Gibe II Power Station headrace tunnel,Ethiopia,"26,000m (16.2mi)",Hydroelectric,20052009,"Tunnel partially collapsed, under repair until November 2010."59,"#5 Tunnel, Yellow River Diversion to Shanxi South Line","Shanxi, China","26,000m (16.2mi)",Water,2002,60,Iwate-Ichinohe Tunnel,"?u Mountains, Japan","25,810m (16.0mi)",Railway Single Tube,2002,61,Sudbury Aqueduct,"Eastern Massachusetts, United States","25,750m (16.0mi)",Water Supply,1878,Emergency backup use62,Suzhou Subway: Line 1,"Shanghai, China","25,739m (16.0mi)",Metro,2007-2011,63,Lrdal Tunnel,"Lrdal - Aurland, Norway","24,510m (15.2mi)",Road,2000,the longest road tunnel in the world64,Yellow Line (Delhi Metro): GTB Nagar - Qutub Minar,"Delhi, India","24,000m (14.9mi)",Metro,20042010,longest tunnel in India65,Metro Madrid: L-1,"Madrid, Spain","23,876m (14.8mi)",Metro,,66,Lainzer/Wienerwaldtunnel,"west of Vienna, Austria","23,844m (14.8mi)",Railway,2012,breakthrough 2007-09-0367,Eucumbene-Snowy Tunnel,"NSW, Australia","23,500m (14.6mi)",Water supply,1965,Part of the 145km tunnel network of the Snowy Mountains Scheme68,Metro Madrid: L-6,"Madrid, Spain","23,472m (14.6mi)",Metro,19792007,69,Angrignon - Honor-Beaugrand (Line 1 Green),"Montreal Metro, Canada","23,262m (14.5mi)",Metro,19662007,70,Warsaw Metro L-1: Kabaty - M?ociny,"Warsaw, Poland","23,100m (14.4mi)",Metro,19832008,71,Beijing Subway: Line 2,"Beijing, China","23,100m (14.4mi)",Metro,1969-1987,72,Xinma Hydroelectric Power Station Water Tunnel,"Sichuan, China","22,975m (14.3mi)",Hydroelectric,2009,73,Eucumbene-Tumut Tunnel,"NSW, Australia","22,200m (13.8mi)",Water supply,1959,Part of the 145km tunnel network of the Snowy Mountains Scheme74,Daishimizu Tunnel,"Mount Tanigawa, Japan","22,221m (13.8mi)",Railway,1982,75,Taipei Metro: Blue Line,"Taipei, Taiwan","21,900m (13.6mi)",Metro,1999-2011,76,Taipei Metro: Orange Line (Fu Jen University - Nanshijiao),"Taipei, Taiwan","21,400m (13.3mi)",Metro,1998-2010,77,UNK proton accelerator,"Protvino (near Moscow), Russia","21,000m (13.0mi)",Particle accelerator (incomplete),1994 (breakthrough),"construction stopped after finishing of main circle tunnel, future is unclear"78,Guangfo Metro,"Foshan, China","20,900m (13.0mi)",Metro,2010,79,Luliangshan Tunnel,"Shanxi, China","20,785m (12.9mi)",Railway,2011,"2 tubes, left tube is 20785 meters, right tube is 20738 meters"80,Shanghai Subway: Line 4,"Shanghai, China","20,740m (12.9mi)",Metro,2005-2007,81,Barcelona Metro: Line 1,"Barcelona, Spain","20,700m (12.9mi)",Metro,19261992,82,Xian Subway: Line 2,"Xian, China","20,500m (12.7mi)",Metro,2011,83,Nanjing Subway: Line 2,"Nanjing, China","20,380m (12.7mi)",Metro,2010,84,Shanghai Subway: Line 6,"Shanghai, China","20,336m (12.6mi)",Metro,2007,85,Ward Tunnel[citation needed],"California, United States","20,610m (12.8mi)",Hydroelectric,1920-1925,Part of the Big Creek Hydroelectric Project of the Southern California Edison Company. Excavated through solid granite.86,Geumjeong Tunnel,"Busan, South Korea","20,323m (12.6mi)",Railway,2010,Gyeongbu High Speed Railway87,Wushaoling Tunnel,"Wuwei, China","20,060m (12.5mi)",Railway,2006-2007,"Twin Tube, left tube is 20060 meters, right tube is 20050 meters"88,The London Connection,"London, England, United Kingdom","20,000m (12.4mi)",Electric power transmission tunnel,2005,"National Grid plc, 3-metre diameter, 400 kilovolt circuit"89,Taipei Metro: Orange Line (Luzhou - Nanshijiao),"Taipei, Taiwan","19,600m (12.2mi)",Metro,1998-2010,90,Simplon Tunnel,"Lepontine Alps, Switzerland/Italy","19,803m (12.3mi)",Railway Twin Tube,1906,"a parallel tunnel was opened in 1922 (19,824 m long)"91,Koltsevaya Line (Circle Line),"Moscow Metro, Russia","19,400m (12.1mi)",Metro,1950-1954,92,Futang Hydroelectric Power Station Water Tunnel,"Wenchuan, Sichuan, China","19,319m (12.0mi)",Hydroelectric,2009,93,Vereina,"Silvretta, Switzerland","19,058m (11.8mi)",Railway Single Track,1999,"single track with passing loops, metre gauge"94,Shin Kanmon Tunnel,"Kanmon Straits, Japan","18,713m (11.6mi)",Railway,1975,95,Shiziping Hydroelectric Power Station Water Tunnel,"Sichuan, China","18,712m (11.6mi)",Hydroelectric,2009,96,Vaglia,"Bologna - Firenze, Italy","18,711m (11.6mi)",Railway Single Tube,2009,BolognaFlorence high-speed railway97,Apennine Base Tunnel,"Tuscan-Emilian Apennines, Italy","18,507m (11.5mi)",Railway Single Tube,1934,98,Kurenivsko-Chervonoarmiyska Line,"Kiev Metro, Ukraine","18,480m (11.5mi)",Metro,1976,99,Qinling Tunnel I-II,"Qin Mountains, China","18,460m (11.5mi)",Railway,2000,"Twin tubes, left tube is 18460 meters, right tube is 18456 meters"100,Shanghai Subway: Line 17,"Shanghai, China","18,110m (11.3mi)",Metro,1995,101,Avtozavodskaya Line,"Minsk Metro, Belarus","18,100m (11.2mi)",Metro,1990,102,Baoxing Hydroelectric Power Station Water Tunnel,"Sichuan, China","18,053m (11.2mi)",Hydroelectric,2009,103,Zhongnanshan,China,"18,040m (11.2mi)",Road,2007,the longest road tunnel in China104,Line 2 (Athens Metro),"Athens, Greece","17,900m (11.1mi)",Metro,19912013,105,Line 3 (Athens Metro),"Athens, Greece","17,800m (11.1mi)",Metro,19912013,"Line 3 is actually 41km long, but only 17.8km of it are underground."106,Beijing Subway: Line 5,"Beijing, China","17,825m (11.1mi)",Metro,2007,107,Jingpingshan,Sichuan China,"17,500m (10.9mi)",Road,2008,the deepest transportation tunnel in China108,Shenzhen Subway: Longgang Line,"Shenzhen, China","17,333m (10.8mi)",Metro,2010-2011,109,KholodnohirskoZavodska Line,"Kharkiv Metro, Ukraine","17,300m (10.7mi)",Metro,1975,110,Mavi Tnel (Blue Tunnel),"Konya, Turkey","17,034m (10.6mi)",Water / Irrigation,2012,breakthrough 2007111,Gotthard Road Tunnel,"Lepontine Alps, Switzerland","16,918m (10.5mi)",Road,1980,112,Guangzhou Metro: Line 43,"Guangzhou, China","16,790m (10.4mi)",Metro,2005,113,Barcelona Metro: Line 4,"Barcelona, Spain","16,700m (10.4mi)",Metro,19291999,114,Barcelona Metro: Line 3,"Barcelona, Spain","16,600m (10.3mi)",Metro,19242001,115,Barcelona Metro: Line 5,"Barcelona, Spain","16,600m (10.3mi)",Metro,19591983,116,Murrumbidgee-Eucumbene Tunnel,"NSW, Australia","16,600m (10.3mi)",Water supply,1961,Part of the 145km tunnel network of the Snowy Mountains Scheme117,Ankara Metro (Kizilay-ayyolu),"Ankara, Turkey","16,590m (10.3mi)",Metro,2002-2014,"Tunnel construction complete, to be opened to public in 2014."118,?stanbul Metro (Line M2),"?stanbul, Turkey","16,500m (10.3mi)",Metro,2000-2009,119,Beijing Subway: Line 9,"Beijing, China","16,500m (10.3mi)",Metro,2011-2012,120,Jinkang Hydroelectric Power Station Water Tunnel,"Sichuan, China","16,490m (10.2mi)",Hydroelectric,2006,121,Metro Madrid: L-8,"Madrid, Spain","16,467m (10.2mi)",Metro,19982007,122,Guangzhou Metro: Line 1,"Guangzhou, China","16,449m (10.2mi)",Metro,1997,123,Metro Madrid: L-3,"Madrid, Spain","16,424m (10.2mi)",Metro,19392007,124,Rokk? Tunnel,"Mount Rokk?, Japan","16,250m (10.1mi)",Railway,1972,125,Soran Tunnel,"Taebaek, Gangwon-do, South Korea","16,240m (10.1mi)",Railway,2012,"Taebaek Line, Includes a spiral; breakthrough 2006-12-07"126,?stanbul Metro (Line M3),"?stanbul, Turkey","15,900m (9.9mi)",Metro,2013,127,Henderson Tunnel,"Front Range, United States","15,800m (9.8mi)",Former railway,1976,"Narrow gauge railway, replaced by a conveyor belt in 1999. Only one portal (served an underground mine)"128,"Pandaoling Tunnel, Datong River Diversion to Shaanxi Project",China,"15,723m (9.8mi)",Water supply,1994,129,Furka Base,"Urner Alps, Switzerland","15,442m (9.6mi)",Railway Single Track,1982,"single track with passing loops, metre gauge"130,Tianjin Subway: Line 1,"Tianjin, China","15,378m (9.6mi)",Metro,1976-2006,131,"Dingshan Tunnel, Irtysh River Diversion to rmqi Project","Xinjiang, China","15,351m (9.5mi)",Water supply,2006,132,Haruna,"Gunma Prefecture, Japan","15,350m (9.5mi)",Railway,1982,133,Severomuysky Tunnel,"Severomuysky Range, Russia","15,343m (9.5mi)",Railway Single Track,2003,134,Deer Island Outfall Tunnel,"Deer Island, Boston, Massachusetts, United States","15,290m (9.5mi)",Sewerage,2000,24ft (7.3m) diameter; discharges treated effluent into Atlantic Ocean135,Firenzuola,"Bologna - Firenze, Italy","15,285m (9.5mi)",Railway Single Tube,2009,BolognaFlorence high-speed railway136,Shanghai Subway: Line 2,"Shanghai, China","15,274m (9.5mi)",Metro,2000,Between Zhanjianggaoke station and Lingkong Station137,"Jinquidi Tunnel, Niulan River Diversion to Dianchi","Yunnan, China","15,257m (9.5mi)",Water supply,2013,138,Beijing Subway: Line 8,"Beijing, China","15,200m (9.4mi)",Metro,2008-2011,139,Baotan Hydroelectric Power Station Water Tunnel,"Guangxi, China","15,200m (9.4mi)",Hydroelectric,2010,140,Gorigamine Tunnel,"Takasaki - Nagano, Japan","15,175m (9.4mi)",Railway,1997,141,Xuecheng Hydroelectric Power Station Water Tunnel,"Sichuan, China","15,174m (9.4mi)",Hydroelectric,2007,142,Monte Santomarco,"Paola - Cosenza, Italy","15,040m (9.3mi)",Railway Single Track,1987,143,Gotthard Rail Tunnel,"Lepontine Alps, Switzerland","15,003m (9.3mi)",Railway Single Tube,1882,144,Nakayama Tunnel,"Gunma Prefecture, Japan","14,857m (9.2mi)",Railway,1982,J?etsu Shinkansen145,Cuajone-El Sargento,"Ilo-Toquepala / Cuajone Industrial Railroad - Southern Peru Copper Corporation, Peru","14,724m (9.1mi)",Railway,1975,146,Mount Macdonald Tunnel,"Rogers Pass, Glacier National Park, Canada","14,723m (9.1mi)",Railway Single Track,1989,147,Ltschberg Tunnel,"Alps, Switzerland","14,612m (9.1mi)",Railway Single Tube,1913,148,Caoe River Diversion Project,"Zhejiang, China","14,600m (9.1mi)",Water supply,2011,149,Romerike Tunnel,"Oslo - Lillestrm, Norway","14,580m (9.1mi)",Railway Single Tube,1999,150,Snowy-Geehi Tunnel,"NSW, Australia","14,500m (9.0mi)",Water supply,1966,Part of the 145km tunnel network of the Snowy Mountains Scheme151,Jisha Hydroelectric Power Station Water Tunnel,"Yunnan, China","14,467m (9.0mi)",Hydroelectric,2007,152,"#6 Tunnel, Yellow River Diversion to Shanxi South Line","Shanxi, China","14,400m (8.9mi)",Water supply,2002,153,Ala Mountain Pass Water Supply Project,"Xinjiang, China","14,346m (8.9mi)",Water Supply,2010,154,"Tunnelbana 3 (Blue line), Kungstrdgrden-Hjulsta","Stockholm, Sweden","14,300m (8.9mi)",Metro,19751977,155,Tooma-Tumut Tunnel,"NSW, Australia","14,200m (8.8mi)",Water supply,1961,Part of the 145km tunnel network of the Snowy Mountains Scheme156,Dayaoshan Tunnel,"Nanling Mountains, China","14,294m (8.9mi)",Railway Single Tube,1987,157,Guangzhou Subway: Line 8,"Guangzhou, China","14,200m (8.8mi)",Metro,2003-2010,158,Metro Lisbon - Blue (Seagull) Line,"Lisbon, Portugal","14,000m (8.7mi)",Metro,19592007,159,Arlberg Road Tunnel,"Arlberg, Austria","13,972m (8.7mi)",Road,1978,160,"Shanggongshan Tunnel, Zhangjiuhe Water Supply Project","Yunnan, China","13,941m (8.7mi)",Water Supply,2007,161,Dayingshan #4 Hydroelectric Power Station Water Tunnel,"Yunnan, China","13,932m (8.7mi)",Hydroelectric,2009,8.5 meters in diameter162,Hokuriku Tunnel,"Fukui Prefecture, Japan","13,870m (8.6mi)",Railway,1962,Hokuriku Main Line163,Xiapu Tunnel,"Fujian, China","13,838m (8.6mi)",Railway Single Tube,2009,164,Yesanguan Tunnel,"Hubei, China","13,838m (8.6mi)",Railway Dual Tube,2010,"Tube I: 13838 meters, tube II: 13796 meters"165,Xishan Tunnel,"Shanxi, China","13,654m (8.5mi)",Road Dual Tube,2012,"Left tube: 13654 meters, right tube: 13570 meters"166,Frjus (Mont Cenis),"Alps, France/Italy","13,636m (8.5mi)",Railway Single Tube,1871,167,North Tianshan Tunnel,"Xinjiang, China","13,610m (8.5mi)",Railway Single Tube,2009,168,Marmaray,"Istanbul, Turkey","13,600m (8.5mi)",Railway,2013,"built next to a fault zone, between two continents"169,Shin Shimizu Tunnel,"Mount Tanigawa, Japan","13,500m (8.4mi)",Railway Twin Tube,1967,170,Savio Rail Tunnel,"Helsinki - Kerava, Finland","13,500m (8.4mi)",Railway Single Track,2008,171,Hex River Tunnel,"Hex River Pass, South Africa","13,400m (8.3mi)",Railway Single Track,1989,172,Wonhyo Tunnel,"Ulsan, South Korea","13,270m (8.2mi)",Railway,2010,Gyeongbu High Speed Railway173,Dabieshan Tunnel,"Hubei, China","13,256m (8.2mi)",Railway Single Tube double track,2008,174,Schlern Tunnel,"South Tyrol, Italy","13,159m (8.2mi)",Railway,1993,175,Caponero-Capoverde,"Genova - Ventimiglia, Italy","13,135m (8.2mi)",Railway,2001,"includes an underground station (""San Remo"")"176,Hongtiguan Tunnel,"Shanxi, China","13,122m (8.2mi)",Road Dual Tube,2013,"Left tube: 13122 meters, right tube: 13098 meters"177,Barcelona Metro: Line 2,"Barcelona, Spain","13,100m (8.1mi)",Metro,19851997,178,Aki Tunnel,"Sanyo Shinkansen, Japan","13,030m (8.1mi)",Railway,1975,,,,,,,For other more formats kindly visit : www.downloadexcelfiles.com,,,,,,,,,,,,Original source : en.wikipedia.org/wiki/List_of_tunnels_by_length,,,,,,