Line 1 or 1 line may refer to:

Public transport

Africa

Line 1 (Algiers Metro) The Algiers Metro is a rapid transit system serving Algiers, the capital of Algeria ) , image_map = Algeria (centered orthographic projection).svg , map_caption = , image_map2 = , capital ...

, Algeria *

Cairo Metro Line 1 Cairo Metro Line 1 is the first line of the Cairo Metro in Cairo, Egypt. It is the first metro system in the Africa and the Middle East. It was constructed in 1987 and connects Helwan with El Marg, stopping at 35 stations. Line 1, sometimes call ...

, Egypt

Asia

China

Line 1 (Beijing Subway) Line 1 of the Beijing Subway () is the oldest and one of the busiest lines of Beijing's mass transit rail network. Line 1 runs underneath Chang'an Avenue, the city's grand east–west thoroughfare, right through the heart of Beijing with stops on ...

Line 1 (Changchun Rail Transit) Line 1 of the Changchun Rail Transit () is a rapid transit Rapid transit or mass rapid transit (MRT), also known as heavy rail or metro, is a type of high-capacity public transport generally found in urban areas. A rapid transit system t ...

Line 1 (Changsha Metro) Line 1 of the Changsha Metro The Changsha Metro (officially ; also called ) is a rapid transit system in Changsha, the capital city of Hunan province in China. The first operational line, Line 2, commenced service on April 29, 2014, making Ch ...

Line 1 (Changzhou Metro) Line 1 of Changzhou Metro () is a rapid transit line in Changzhou. It connects the two railway stations Changzhou railway station, Changzhou and Changzhou North railway station, Changzhou North. Construction for Line 1 began on 28 October 2014. Th ...

Line 1 (Chengdu Metro) Line 1 of the Chengdu Metro () is the first line to enter revenue service on the metro network in Chengdu, Sichuan, China. The line started construction in 2005, and entered service on September 27, 2010. On July 25, 2015, an extension towards Gua ...

Line 1 (Chengdu Tram) Chengdu Tram Line 1 is under planning. It was once named Yizhou Avenue Tram, with a total length of 9.62 kilometers and 16 stations. The route is planned to be laid along Yizhou Avenue, starting from Chengdu South railway station and arriving ...

(planned) *

Line 1 (Chongqing Rail Transit) Line 1 of CRT runs westwards from to . Line 1 began operation on 28 July 2011. Line 1 runs from Chaotianmen in downtown Chongqing west to Shapingba, and eventually all the way to Shuangbei for a total length of . It is the city's first all- ...

* Line 1 (Dalian Metro) *

Line 1 (Dongguan Rail Transit) Line 1 of the Dongguan Rail Transit, (), is a rapid transit line under construction in Dongguan, Guangdong. It has a planned 25 stations and connect Machongxi in the North, to Huangjiangnan in the south. The Phase 1 of Line 1 in Dongguan will sta ...

Line 1 (Foshan Metro) The Guangfo Metro or Guangfo line is a intercity rapid transit, metro line that connects the Chinese cities Foshan and Guangzhou. As of December 2018, the line is currently long and has 25 metro station, stations, which are all underground. H ...

or Guangfo Metro *

Line 1 (Fuzhou Metro) Line 1 of Fuzhou Metro () is a north-south line of the Fuzhou Metro network in Fuzhou, Fujian Province, China. This line is the first operating metro line in the Fuzhou Metro system, inaugurated on May 18, 2016. By June 2016, the south section, ru ...

Line 1 (Guangzhou Huangpu Tram) Guangzhou Huangpu Tram Line 1 () is a tram line serving the Huangpu District of Guangzhou. The initial section opened on 1 July 2020. The remaining section opened on 28 December 2020. It is in length with 20 stations, currently 19 stations are ...

Line 1 (Guangzhou Metro) Line 1 of the Guangzhou Metro runs from to (). Apart from and Xilang, all stations in Line 1 are underground. The first section, from Xilang to Huangsha, opened on 28 June 1997, making Guangzhou the fourth city in mainland China to have a metr ...

* Line 1 (Guilin Rail Transit) (under construction) * Line 1 (Guiyang Metro) *

Line 1 (Hangzhou Metro) Line 1 of the Hangzhou Metro () is an arc-shaped rapid transit line running from Xianghu station in western Xiaoshan District to Xiaoshan International Airport in eastern Xiaoshan District, passing through downtown Hangzhou. The line opened on 2 ...

Line 1 (Harbin Metro) Line 1 of the Harbin Metro () is a rapid transit line running from west to east Harbin Harbin (; mnc, , v=Halbin; ) is a sub-provincial city and the provincial capital and the largest city of Heilongjiang province, People's Republic of C ...

Line 1 (Hefei Metro) The Line 1 of Hefei Metro () is an underground metro line in Hefei Hefei (; ) is the capital and largest city of Anhui Province, People's Republic of China. A prefecture-level city, it is the political, economic, and cultural center of Anhui. I ...

Line 1 (Hohhot Metro) Line 1 of Hohhot Metro is a rapid transit line in Hohhot, Inner Mongolia, China. The first phase of Line 1 is long. It was opened on 29 December 2019. The color for Line 1 is red. Opening timeline Stations References {{DEFAULTSORT:Hohhot ...

Line 1 (Jinan Metro) Jinan Metro Line 1 () is a rapid transit Rapid transit or mass rapid transit (MRT), also known as heavy rail or metro, is a type of high-capacity public transport generally found in urban areas. A rapid transit system that primarily or ...

Line 1 (Kunming Metro) Line 1 of Kunming Metro () is a rapid transit line connecting Chenggong District with Kunming's urban center. The line is long with 22 stations (excluding Line 2) with as the northern terminal, and as the southern terminal of the main line, ...

Line 1 (Lanzhou Metro) Line 1 of the Lanzhou Metro is a subway line in Lanzhou running from to , has 20 stations and is long. It opened on 23 June 2019. History Line 1 started construction on July 9, 2012. Line 1 is with 20 stations. The line is completely undergrou ...

Line 1 (Luoyang Subway) Line 1 of Luoyang Subway () is the first metro line to open in Luoyang, Henan Henan (; or ; ; alternatively Honan) is a landlocked province of China, in the central part of the country. Henan is often referred to as Zhongyuan or Zhongzhou ...

Line 1 (Nanchang Metro) Nanchang Metro Line 1 (also known as Nanchang Rail Transit Line 1 in official documents) is the first rail transit line ever constructed in Nanchang and has opened in 2015. The Phase 1 of Line 1 runs from Shuanggang to Olympic Stadium, covered Nort ...

Line 1 (Nanhai Tram) Nanhai Tram Line 1 () is a light rail line in Nanhai District, Foshan Foshan (, ), alternately romanized as Fatshan, is a prefecture-level city in central Guangdong Province, China. The entire prefecture covers and had a population of 9, ...

Line 1 (Nanjing Metro) Line 1 of the Nanjing Metro () is a north-south line and the first operating metro line in the Nanjing Metro The Nanjing Metro is a rapid transit system serving the urban and suburban districts of Nanjing, the capital city of Jiangsu Province ...

Line 1 (Nanning Metro) Line 1 of the Nanning Metro a rapid transit Rapid transit or mass rapid transit (MRT), also known as heavy rail or metro, is a type of high-capacity public transport generally found in urban areas. A rapid transit system that primarily ...

Line 1 (Nantong Metro) Line 1 of the Nantong Rail Transit () is a rapid transit line in Nantong, Jiangsu Jiangsu (; ; pinyin: Jiāngsū, alternatively romanized as Kiangsu or Chiangsu) is an eastern coastal province of the People's Republic of China. It is one ...

Line 1 (Ningbo Rail Transit) Line 1 of Ningbo Rail Transit () is a rapid transit line in Ningbo. It starts from Gaoqiao Town in the west, crosses the central area of Ningbo, and reaches Beilun District in the east. The line started service on May 30, 2014.(Chines今日上午10 ...

Line 1 (Qingdao Metro) Line 1 of Qingdao Metro () is an underground metro line in Qingdao. It crosses Jiaozhou Bay The Jiaozhou Bay (; german: Kiautschou Bucht, ) is a bay located in the prefecture-level city of Qingdao (Tsingtau), China. The bay has historically ...

Line 1 (Shanghai Metro) Line 1 is a north-south line of the Shanghai Metro. It runs from in the north, via to in the south. The first line to open in the Shanghai Metro system, line 1 serves many important points in Shanghai, including and Xujiahui. Due to the larg ...

Line 1 (Shaoxing Metro) Line 1 of Shaoxing Metro () is a metro line in Shaoxing. Section ;Main line (Keqiao section) The section from Guniangqiao to China Textile City opened on 28 June 2021. The section is in length with 10 stations. ;Main line (remaining section) T ...

Line 1 (Shenyang Metro) Line 1 of the Shenyang Metro () is a rapid transit line running from west to east Shenyang Shenyang (, ; ; Mandarin pronunciation: ), formerly known as Fengtian () or by its Manchu language, Manchu name Mukden, is a major China, Chinese sub-p ...

Line 1 (Shenzhen Metro) Shenzhen Metro Line 1 (formerly branded as Luobao line) runs West–East from to .Line 1 (Shijiazhuang Metro) Line 1 of the Shijiazhuang Metro () is a rapid transit line in Shijiazhuang, Hebei Hebei or , (; alternately Hopeh) is a northern province of China. Hebei is China's sixth most populous province, with over 75 million people. Shijiaz ...

Line 1 (Suzhou Rail Transit) Line 1 is the main west–east line of Suzhou Rail Transit, and it started service on April 28, 2012. Line 1 is the first rapid transit line in Suzhou and this line is operated by Suzhou Rail Transit Co., Ltd. Construction Construction on Line 1 b ...

* Line 1 (Taiyuan Metro) (under construction) * Line 1 (Tianjin Metro) *

Line 1 (Ürümqi Metro) Line 1 of the Ürümqi Metro is a subway line in Ürümqi Ürümqi ( ; also spelled Ürümchi or without umlauts), formerly known as Dihua (also spelled Tihwa), is the capital of the Xinjiang Uyghur Autonomous Region in the far north ...

Line 1 (Wuhan Metro) The Line 1 of Wuhan Metro () is an elevated metro line in the city of Wuhan, Hubei. It is the longest continuous metro viaduct in the world. Line 1 opened on 28 July 2004, making Wuhan the fifth city in mainland China to have a metro system aft ...

Line 1 (Wuhu Rail Transit) Line 1 of Wuhu Rail Transit Wuhu Rail Transit is a two-line monorail rapid transit system in Wuhu, Anhui, China. Both lines use Bombardier Innovia Monorail 300 trains manufactured under a joint venture with CRRC CRRC Corporation Limited (k ...

Line 1 (Wuxi Metro) Line 1 of the Wuxi Metro () is a rapid transit line running from north to south Wuxi Wuxi (, ) is a city in southern Jiangsu province, eastern China, by car to the northwest of downtown Shanghai, between Changzhou and Suzhou. In 2017 it h ...

Line 1 (Xi'an Metro) Line 1 of the Xi'an Metro () is a rapid transit line running from west to east Xi'an. It was opened on 15 September 2013. Currently, this line measured long with 23 stations. The line is colored blue on system maps. Future Development Phase 3 of ...

Line 1 (Xiamen Metro) Line 1 of the Xiamen Metro is a subway line in Xiamen Xiamen ( , ; ), also known as Amoy (, from Hokkien pronunciation ), is a sub-provincial city in southeastern Fujian, People's Republic of China, beside the Taiwan Strait. It is divid ...

Line 1 (Xuzhou Metro) Line 1 of the Xuzhou Metro () is a rapid transit line in Xuzhou city, Jiangsu Jiangsu (; ; pinyin: Jiāngsū, alternatively romanized as Kiangsu or Chiangsu) is an eastern coastal province of the People's Republic of China. It is one of ...

Line 1 (Zhengzhou Metro) Line 1 of the Zhengzhou Metro () is a rapid transit line running from west to east Zhengzhou Zhengzhou (; ), also spelt Zheng Zhou and alternatively romanized as Chengchow, is the capital and largest city of Henan Province in the central par ...

India

* Line 1 (Chennai Metro) or Blue Line *

Line 1 (Delhi Metro) The Red Line (Line 1) is a metro rail line of the Delhi Metro, a rapid transit system in Delhi, India. It is an entirely elevated line and has 29 stations that runs from Rithala to Shaheed Sthal with a total distance of 34.55 km. The Ti ...

or Red Line *

Line 1 (Lucknow Metro) The Red Line (Line 1) ( hi, रेड लाइन) of the Lucknow Metro is a metro route of mass rapid transit system in Lucknow. It consists of 21 metro stations from Chaudhary Charan Singh International Airport, CCS International Airport to ...

or Red Line *

Line 1 (Mumbai Metro) The ''Blue Line'' of thMumbai Metro 1 or the Versova-Andheri-Ghatkopar Line, is part of the metro system for the city of Mumbai, India. The 11.40 km line is fully elevated, and consists of 12 stations from Versova to Ghatkopar. The line c ...

Line 1 (Mumbai Monorail) Line 1 of the Mumbai Monorail is, as of 2018, the only current line in the monorail system for the city of Mumbai, India. It is also referred to as ''Jacob Circle-Wadala-Chembur line/corridor''. Built at a cost of approximately , the line is ...

Line 1 (Nagpur Metro) The Orange Line, also known as the North–south corridor, of the Nagpur Metro is a metro route of mass rapid transit system in Nagpur, India. It consists of 20 metro stations from Automotive Square to Metro City with a total distance of 22.293& ...

or Orange Line *

Line 1 (Navi Mumbai Metro) Line 1 of the Navi Mumbai Metro is part of the rapid transit rail system for the city of Navi Mumbai, India. The 23.40 km line consists of 20 metro stations from Belapur to Khandeshwar. It is expected to cost . On 7 May 2021, State-run town ...

* Line 1 (Pune Metro) or Purple Line *

Kolkata Metro Line 1 The Line 1, Blue Line, also known as North–South Metro of the Kolkata Metro, is a rapid transit system serving South 24 Parganas, Kolkata and North 24 Parganas in Indian state of West Bengal. It consists of 26 operational stations from Dakshi ...

Japan

Line 1 (Hiroshima Rapid Transit) , also known as the , is a rubber-tired transit system operated by Hiroshima Rapid Transit in Hiroshima, Japan. Astram opened on August 20, 1994, for the 1994 Asian Games in Hiroshima. The line connects central Hiroshima and Hiroshima Big Arch, ...

or Astram Line * Line 1 (Nagoya Municipal Subway) or Higashiyama Line * Line 1 (Osaka Metro) or Midōsuji Line *

Kūkō Line (Fukuoka City Subway) The is a subway line, part of the Fukuoka City Subway system in Fukuoka, Japan. It connects Meinohama, Nishi Ward to Fukuokakūkō (Fukuoka Airport), Hakata Ward, all within Fukuoka. The line's color on maps is orange. Officially, the lin ...

Toei Asakusa Line The is a subway line in Tokyo, Japan, operated by the Tokyo subway operator Toei Subway. The line runs between in Ōta and in Sumida. The line is named after the Asakusa district, a cultural center of Tokyo, under which it passes. The Asak ...

, Tokyo

South Korea

Busan Metro Line 1 Busan Metro Line 1 is the north-south route of the Busan Metro The Busan Metro () is the urban rail system operated by the Busan Transportation Corporation of Busan, South Korea. The metro network first opened in 1985 with seventeen statio ...

Daegu Metro Line 1 Daegu Metro Line 1 was, until mid-2005, the only rapid transit line in the South Korean city of Daegu. It is operated by the Daegu Metropolitan Transit Corporation. The line color is carmine. The line first began running from Jincheon to Jungan ...

Daejeon Metro Line 1 Daejeon Subway Line 1 is a subway line is located in Daejeon, South Korea. After excluding the Seoul metropolitan area, it was the fourth subway line created in Korea, following Busan, Daegu, and Gwangju. Its line color is green. It is long with ...

Gwangju Metro Line 1 Gwangju Metro Line 1 is a rapid transit line in Gwangju, South Korea, operated by the Gwangju Metropolitan Rapid Transit Corporation (GRTC, or Gwangju Metro). It connects Nokdong station in Dong-gu at its eastern terminus to Pyeongdong stat ...

Incheon Subway Line 1 Incheon Subway Line 1 is a north-south subway line, part of the Incheon Subway system. The line is also included as a part of the overall Seoul Metropolitan Subway network; Bupyeong Station has a free transfer with Seoul Subway Line 1, Gyeyang ...

Seoul Subway Line 1 Seoul Metropolitan Subway Line 1 of the Seoul Metropolitan Subway is a rapid transit and commuter rail line which links central Seoul, South Korea to Soyosan Station in the northeast, Incheon in the southwest, and Sinchang (Soonchunhyang Univ.) ...

Other places in Asia

* Line 1 (Yerevan Metro), Armenia *

Line 01 (Phnom Penh Bus Rapid Transit) Line 01 (ខ្សែទី១) is a route of the Phnom Penh City Bus network in Phnom Penh, Cambodia. The line is represented on the official Phnom Penh City Bus map in Green. Stations See also * Phnom Penh City Bus *Transport in Phnom Penh ...

, Cambodia *

Tehran Metro Line 1 Tehran Metro Line 1, coloured red on system maps runs north-south and is of which is underground (from Tajrish station to Shush Station) and the rest ''at grade'' (at surface level). The number of stations along this line is 29 of which 22 st ...

, Iran * Line 1 (Almaty Metro), Kazakhstan *

Seremban Line The Seremban Line ( ms, Laluan Seremban) or Seremban Komuter Line ( ms, Laluan Komuter Seremban) is one of the three KTM Komuter Central Sector lines provided by Keretapi Tanah Melayu. Its electric trains run between and , with some services t ...

, Malaysia *

LRT Line 1 (Metro Manila) The Light Rail Transit Line 1, commonly referred to as LRT Line 1 or LRT-1, is a light rapid transit system line in Metro Manila, Philippines, operated by Light Rail Manila Corporation (LRMC) and owned by the Light Rail Transit Authority (LRTA ...

, Philippines * Line 1 (Doha Metro) or Red Line, Qatar *

Line 1 (Singapore) Line 1 or 1 line may refer to: Public transport Africa * Line 1 (Algiers Metro), Algeria * Cairo Metro Line 1, Egypt Asia China * Line 1 (Beijing Subway) * Line 1 (Changchun Rail Transit) * Line 1 (Changsha Metro) * Line 1 (Changzhou Metro) * ...

, a service of the East West MRT Line *

Wenhu Line The Wenhu or Brown line (code BR) is a metro line in Taipei operated by Taipei Metro, named after the districts it connects: Wenshan and Neihu. It is an automated medium-capacity rubber-tyred metro line and is long, serving a total of 24 st ...

, Taipei, Taiwan

Australia

* Line 1 (Sydney Light rail network) or Inner West Light Rail, New South Wales * Line 1 (Sydney Trains) or North Shore & Western Line, New South Wales

Europe

France

Île-de-France tramway Line 1 Île-de-France tramway Line 1 (usually called simply T1) is part of the modern tram network of the Île-de-France region of France. Line T1 connects Noisy-le-Sec station and Asnières-sur-Seine with a suburban alignment running in parallel to the ...

, Paris *

Paris Métro Line 1 Paris Métro Line 1 ( French: ''Ligne 1 du métro de Paris'') is one of the sixteen lines of the Paris Métro. It connects La Défense–Grande Arche in the northwest and Château de Vincennes in the southeast. Also, there is a future eastern e ...

Germany

U1 (Berlin U-Bahn) U1 is a line on the Berlin U-Bahn, which is long and has 13 stations. Its traditional line designation was BII. It runs east–west and its eastern terminus is Warschauer Straße S-Bahn station where it connects to the Schlesische Bahn. Fr ...

U1 (Frankfurt U-Bahn) The A line is the north-to-south main line of the Frankfurt U-Bahn. It is the oldest and longest line of the U-Bahn system. Served by four routes (U1, U2, U3 and U8) starting at ''Südbahnhof Railway Station'' in Sachsenhausen, the A line runs thr ...

U1 (Hamburg U-Bahn) The U1 is a line of the Hamburg U-Bahn which has a length of . It starts in Norderstedt Mitte and leads via the city center at Jungfernstieg and Hauptbahnhof Süd to Volksdorf where it divides in two branches, leading to Ohlstedt and Gro ...

U1 (Munich U-Bahn) The Munich U-Bahn (german: U-Bahn München) is an electric rail rapid transit network in Munich, Germany. The system began operation in 1971, and is operated by the municipally owned Münchner Verkehrsgesellschaft (MVG; Munich Transport Company) ...

U1 (Nuremberg U-Bahn) The U1 is an underground line in Nuremberg U-Bahn, Nuremberg. The first part of the line was opened on 1 March 1972. It is about long and has 27 stations. The termini are Langwasser Süd (Nuremberg U-Bahn), Langwasser Süd in the southeast and ...

Greece

Line 1 (Athens Metro) Line 1 is the oldest of the three lines of the Athens Metro, running from to . The Athens-Piraeus Railway Company (SAP S.A.) first opened the line, between and , on 27 February 1869. On 4 February 1885 Lavrion Square-Strofyli railway line opened ...

Line 1 (Thessaloniki Metro) Line 1 of the Thessaloniki Metro, also known as the Base Project ( el, Βασικό Έργο), is a deep-level underground rapid transit line in Thessaloniki, Greece, connecting in the west with in the east, before continuing on to the . The li ...

Italy

Line 1 (Naples Metro) Line 1 (Italian: ''linea uno'') is an rapid transit line, part of the Naples Metro in Naples, Italy. , Line 1 connects 18 stations. It is operated by Azienda Napoletana Mobilità SpA (ANM). The line has been renamed ''Metrò dell'Arte'' (Metro ...

Milan Metro Line 1 Line 1 (''Linea Uno'' in Italian) is the first underground rapid transit line built in Milan, Italy. It is part of the Milan Metro and it is operated by ATM. Works on the line began in 1957, and the first part was opened on 1 November 1964, runnin ...

Russia

* Line 1 (Moscow Metro) or Sokolnicheskaya line *

Line 1 (Nizhny Novgorod Metro) Avtozavodskaya Line () is a line of the Nizhny Novgorod Metro The Nizhny Novgorod Metro (russian: Нижегородское метро), formerly known as the Gorky Metro (russian: Горьковское метро), is a rapid-transit sys ...

Line 1 (Saint Petersburg Metro) Line 1 of the Saint Petersburg Metro, also known as ''Kirovsko-Vyborgskaya Line'' (russian: Ки́ровско-Вы́боргская ли́ния) or ''Red Line'', is the oldest rapid transit line in Saint Petersburg, Russia, opened in 1955, wh ...

Spain

Line 1 (Bilbao metro) Line 1 of the Bilbao metro is a rapid transit line in Biscay, Basque Country, Spain. It runs from Etxebarri to Plentzia. Its route covers the municipality of Etxebarri, the city of Bilbao, the right bank of the Nervión river and Uribe Kosta. ...

* Line 1 (Granada Metro) *

Line 1 (Madrid Metro) Line 1 of the Madrid Metro is an underground metro line running from Pinar de Chamartín in the north to Valdecarros in the southeast, via Sol. Today it has 33 stations and spans from end to end. The line was the first metro line of the M ...

* Line 1 (Madrid Light Metro) *

Line 1 (Metrovalencia) Line 1 is the oldest rail service in Metrovalencia, in Valencia, Spain. The line opened in 1988 and has 40 stations with a total track length of . This makes Line 1 the longest line of the Metrovalencia, almost two times longer than Line 2 (Metrov ...

Barcelona Metro line 1 Line 1, shortened to L1, coloured red and often simply called ''Línia vermella'' ("Red Line"), is the second oldest Barcelona Metro line, after line L3. It is the longest line of the Barcelona Metro, and links L'Hospitalet de Llobregat and Sa ...

Seville Metro line 1 Seville (; es, Sevilla, ) is the capital and largest city of the Spanish autonomous community of Andalusia and the province of Seville. It is situated on the lower reaches of the River Guadalquivir, in the southwest of the Iberian Peninsula. ...

Ukraine

Line 1 (Kharkiv Metro) The Kholodnohirsko–Zavodska line ( uk, Холодногірсько-Заводська лінія, russian: Холодногорско-Заводская линия) is a line of the Kharkiv Metro, serving Kharkiv, the second largest city in Ukr ...

, Ukraine *

Line 1 (Kyiv Metro) Line 1 or 1 line may refer to: Public transport Africa * Line 1 (Algiers Metro), Algeria * Cairo Metro Line 1, Egypt Asia China * Line 1 (Beijing Subway) * Line 1 (Changchun Rail Transit) * Line 1 (Changsha Metro) * Line 1 (Changzhou Metro) ...

or Sviatoshynsko–Brovarska line

Other places in Europe

U1 (Vienna U-Bahn) Line U1 is a line on the Vienna U-Bahn metro system. Opened in 1978, it currently has 24 stations and a total length of , from to . When the extension to Oberlaa was completed in 2017, the line became the longest on the network, surpassing the ...

, Austria * Line 1 (Minsk Metro) or Maskoŭskaja line, Belarus *

Brussels Metro line 1 nl, Metrolijn 1 , image=Metrolijn1brussel.svg , caption=Map of Line 1 , color= , locale=Brussels , type=Rapid transit , start= Brussels-West , end= Stokkel/Stockel , open= , operator=Brussels Intercommunal Transport Company , depot=Delta , station ...

, Belgium *

M1 (Copenhagen Metro) M1 of the Copenhagen Metro, colored green on the map, runs from Vanløse to Vestamager. It connects the Ørestad neighborhood of Copenhagen, Denmark, to the city center. The line is elevated while traveling through Ørestad, while it runs in a tun ...

, Denmark *

Metro Line M1 (Budapest Metro) Line 1 (Officially: Millennium Underground Railway, Metro 1 or M1) is the oldest line of the Budapest Metro, it was built from 1894 to 1896. It is known locally as "the small underground" (''"a kisföldalatti"''), while the M2, M3 and M4 are call ...

, Hungary *

M1 (Warsaw) Line M1 is the first line of the Warsaw Metro. It is 23.1 km long, has 21 stations and runs from the Kabaty estate in the Ursynów district to the Młociny district in Bielany. The decision to build it was made in 1982, and a year later the first ...

, Poland *

Bucharest Metro Line M1 M1 () is the oldest line of the Bucharest Metro, the first section having been opened on 16 November 1979. The M1 Line runs from Dristor 2 to Pantelimon. Between Nicolae Grigorescu and Eroilor it shares of tracks with the M3. Due to the singl ...

, Romania

North America

Canada

* Line 1 (O-Train) or Confederation Line, Ottawa, Ontario *

Line 1 Yonge–University Line 1 Yonge–University is a rapid transit line on the Toronto subway. It serves Toronto and the neighbouring city of Vaughan in Ontario, Canada. It is operated by the Toronto Transit Commission, has 38 stations and is in length, making it th ...

, Toronto, Ontario *

Green Line (Montreal Metro) The Green Line (french: Ligne verte), also known as Line 1, is one of the four lines of the Montreal Metro in Montreal, Quebec, Canada. The line runs through the commercial section of downtown Montreal underneath Boulevard de Maisonneuve, forme ...

, formerly Line 1, Quebec

Mexico

Metrorrey Line 1 Line 1 is a line on the Metrorrey Metrorrey, officially Sistema de Transporte Colectivo Metrorrey, is a light metro/rapid transit system in Monterrey, Nuevo León, Mexico. Operations began in 1991. , the system operates 50 high-floor electric t ...

, Monterrey *

Mexico City Metro Line 1 Mexico City Metro Line 1 is one of the twelve metro lines operating in Mexico City, Mexico. Officially inaugurated in 1969, it went to become the first metro line to be built in the country. Its identifying color is pink and it runs through the c ...

* Mexico City Metrobús Line 1

United States

Tempo (bus rapid transit) Tempo is a bus rapid transit (BRT) service in Oakland and San Leandro in California. It is operated by AC Transit as Line 1T. The route has dedicated lanes and center-boarding stations along much of the corridor, prepaid fares, signal preempti ...

, Line 1T, Oakland, California *

Route 1 (MTA Maryland) CityLink Navy is a bus route operated by the Maryland Transit Administration in Baltimore. It replaced Route 1 in 2017. The bus route is the successor to the 1 Gilmor Street, 2 Carey Street, and 2 Fort Avenue streetcar lines. History The Citizens ...

1 (New York City Subway service) The 1 Broadway–Seventh Avenue Local is a rapid transit service in the A Division of the New York City Subway. Its route emblem, or "bullet", is colored , since it uses the IRT Broadway–Seventh Avenue Line for its entire route. The 1 opera ...

, New York *

1 Line (Sound Transit) The 1Line, formerly Central Link, is a light rail line in Seattle, Washington, United States, and part of Sound Transit's Link light rail system. It serves 19 stations in the cities of Seattle, SeaTac, and Tukwila, traveling nearly between ...

, Seattle, Washington

Other places in North America

* Line 1 (Havana Suburban Railway), Cuba * Line 1 (Santo Domingo Metro), Dominican Republic *

Line 1 (Panama Metro) The Panama Metro ( es, Metro de Panamá) is a rapid transit system in Panama City, Panama. It links the south and the east of the metropolitan area to the city center. The metro was inaugurated on April 5, 2014, and it entered revenue service tw ...

South America

Brazil

Line 1 (Baixada Santista LRT) Line 1: Barreiros ↔ Porto is currently the only operational line of Baixada Santista Light Rail in São Paulo state SAO or Sao may refer to: Places * Sao civilisation, in Middle Africa from 6th century BC to 16th century AD * Sao, a town in ...

, São Paulo *

Line 1 (Rio de Janeiro) Line 1 of the Rio de Janeiro Metro serves the city's downtown business centre, the tourist areas in the city's South Zone, and several neighbourhoods in the North Zone. It is a semi-circular line, and is fully underground. It runs from Uruguai to ...

Line 1 (Rio LRT) Line 1: Terminal Intermodal Gentileza ↔ Santos Dumont is one of the lines operated by VLT Carioca, being opened on 5 June 2016. It has a total of 16 stops in operation, all at-grade. Besides that, another one is in planning. The stops Praia Fo ...

Line 1 (São Paulo Metro) Line 1 (Blue) ( pt, Linha 1–Azul) is one of the six lines that make up the São Paulo Metro and one of the thirteen lines that make up the Metropolitan Rail Transportation Network. It was the first line built for the São Paulo Metro and also ...

Other places in South America

Santiago Metro Line 1 Santiago Metro Line 1 is the oldest of the seven existing rapid transit lines that make up the Santiago Metro system. Being its busiest, it has a total of 27 stations along its length, constructed almost entirely underground (save for some open c ...

, Chile *

Line 1 (Metrovía) Lane 1 of Metrovia (''Guasmo - Rio Daule''), Opened to the public on July 30 of 2006, it is the first Line of a total of 7 to operate in Metrovia, Metrovia's BRT System. Stations South to North Currently in Service: *Terminal de Integración El Gu ...

, Guayaquil, Ecuador *

Line 1 (Lima Metro) The Lima and Callao Metro ( es, Metro de Lima y Callao) is a rapid transit system that serves the cities of Lima and Callao, which make up the Lima metropolitan area. The existing metro lines (1 and 2) currently link the district of Villa El S ...

, Peru

Other uses

* A "one-line whip", an application of a

Whip A whip is a tool or weapon designed to strike humans or other animals to exert control through pain compliance or fear of pain. They can also be used without inflicting pain, for audiovisual cues, such as in equestrianism. They are generally e ...

in politics * LINE 1 (a.k.a. L1), a non-LTR

retrotransposon Retrotransposons (also called Class I transposable elements or transposons via RNA intermediates) are a type of genetic component that copy and paste themselves into different genomic locations (transposon) by converting RNA back into DNA through ...

and the only Long INterspersed Element (LINE) active in the human genome