3 Line or Line 3 may refer to:

Public transport

Asia

Line 3 (Chennai Metro) The Purple Line or Line 3 is one of the three lines of Chennai Metro, Phase 2 Project. The under construction line stretches from to . The line will consist of 47 stations, out of which 28 are underground and 19 are elevated. Phase II E ...

, or Purple Line, under construction in India *

Line 3 (Kolkata Metro) Kolkata Metro Line 3 or the Purple Line is a line of the Kolkata Metro. The stretch from Joka to Taratala of the line was inaugurated on 30 December 2022. The route spans from Joka in the south, to Esplanade in the north with an extensio ...

, under construction in Kolkata, India. *

Line 3 (Mumbai Metro) The Aqua Line 3 of the Mumbai Metro, also known as Colaba-Bandra-Seepz Line, is currently under construction in Mumbai, India. When completed, the 33.5-km long line will be the first underground metro line in Mumbai, with 27 underground stati ...

, under construction in India *

Line 3 (Pune Metro) Line 3 of the Pune Metro is the third line of the city's under-construction mass transit network. It will run from Civil Court, Pune to Megapolis Pune in Hinjawadi. The 23.3-km line will be completely elevated and will have 23 stations and wil ...

, under construction in India *

Ampang Line The LRT Ampang Line and the LRT Sri Petaling Line are medium-capacity rail system, medium-capacity light rapid transit (LRT) lines in the Klang Valley, Malaysia. The combined network comprises 45.1 kilometres of tracks (28.0 miles) with 36 ...

or Line 3, in Klang Valley, Malaysia * MRT Line 3 (Metro Manila), Philippines *

Busan Metro Line 3 Busan Metro Line 3 () is a line of the Busan Metro system. The line was built from 1997 to 2005 and opened on November 28, 2005. The line is long, and has 17 stations. Each train of the line has 4 cars. Line 3's trains have an open gangway betwee ...

, in South Korea * Seoul Subway Line 3, in South Korea *

Taipei Metro Line 3 Taipei (), officially Taipei City, is the capital and a special municipality of the Republic of China (Taiwan). Located in Northern Taiwan, Taipei City is an enclave of the municipality of New Taipei City that sits about southwest of the no ...

or Songshan–Xindian or Green line, in Taiwan *

Line 3 (Hanoi Metro) Line 3, Hanoi Metro (Nhon - Hanoi Station section), also known as Văn Miếu Line (''Temple of Literature Line''), is one of the under-construction mass transit railway line in the Hanoi Metro network, will be the second line to be used in the m ...

or Văn Miếu Line, under construction in Vietnam

China

Line 3 (Beijing Subway) Line 3 of the Beijing Subway () is a rapid transit line under construction in Beijing. It will be colored pink in system maps. Description Phase I of Line 3 is with 15 stations. It is fully underground. Due to unstable planning east of Dongfeng s ...

, a subway line under construction in Beijing *

Line 3 (Changchun Subway) Line 3 of the Changchun Rail Transit () is a light rail line running from northwest to southeast Changchun. It was opened on 30 October 2002. Line 3 was later extended on 26 December 2006 and 31 December 2021. This line is currently long with 34 ...

, metro line in Changchun, Jilin *

Line 3 (Chengdu Metro) Line 3 of the Chengdu Metro () runs in a northeast-southwest direction from Chengdu Medical College to Shuangliu West Station. The total length is . Line 3's color is magenta. Phase 1 of this line began construction on 28 April 2012, and opened o ...

, metro line in Chengdu, Sichuan * Line 3 (Chongqing Rail Transit), a monorail line in Chongqing *

Line 3 (Dalian Metro) Line 3 of the Dalian Metro (R3; ) is a rapid transit line running from southwest to northwest Dalian. It was opened on the 8 November 2002. This line is long with 12 stations. Line 3 is almost completely at grade or above ground; is elevated ...

, metro line in Dalian, Liaoning * Line 3 (Dongguan Rail Transit), planned metro line in Dongguan, Guangdong * Line 3 (Foshan Metro), metro line in Foshan, Guangdong * Line 3 (Guangzhou Metro), metro line in Guangzhou, Guangdong *

Line 3 (Harbin Metro) Line 3 of the Harbin Metro () 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 primar ...

, metro line in Harbin, Heilongjiang *

Line 3, Hangzhou Metro Line 3 of the Hangzhou Metro () is a metro line in Hangzhou. The line is long. It will run in a southwest-northeast direction between Wushanqiancun station in Yuhang District and Xingqiao station in Linping District Linping is a district o ...

, under construction *

Line 3 (Kunming Metro) Line 3 is a rapid transit line on the Kunming Metro, serving the city of Kunming, China. It links Line 2 at Dongfeng Square, and links Line 6 at East Coach Station. It is an east-west line of the system. Phase I has a total length of and 17 s ...

, metro line in Kunming, Yunnan *

Line 3 (Nanjing Metro) Line 3 is a north–south line on the Nanjing Metro. The line opened on April 1, 2015, running from to . Currently, the line contains 29 stations spanning a total of . Between and , it runs parallel to Line 1. Opening timeline Station list ...

, metro line in Nanjing, Jiangsu *

Line 3 (Ningbo Rail Transit) Line 3 of Ningbo Rail Transit () is a rapid transit line in Ningbo. It starts from south Yinzhou District and ends in Datong Bridge Station in Jiangbei District. In the future extension plan, the line will further extend into Luotuo Area in Zhen ...

Line 3 (Qingdao Metro) Line 3 of Qingdao Metro () is an underground metro Metro, short for metropolitan, may refer to: Geography * Metro (city), a city in Indonesia * A metropolitan area, the populated region including and surrounding an urban center Public tran ...

, metro line in Qingdao, Shandong * Line 3 (Shanghai Metro), metro line in Shanghai * Line 3 (Shenzhen Metro), metro line in Shenzhen, Guangdong *

Line 3 (Shijiazhuang Metro) Line 3 of the Shijiazhuang Metro () 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 ...

, metro line in Shijiazhuang, Hebei *

Line 3 (Suzhou Rail Transit) Line 3 is an east-west line of Suzhou Rail Transit. The line is 45.272 kilometers long. The line links the Wuzhong District, Suzhou Industrial Park, and the Suzhou New District. Line 3 started trial operations from December 6 to December 10, 2019 ...

, metro line in Suzhou, Jiangsu *

Line 3 (Tianjin Metro) Line 3 of the Tianjin Metro () a rapid transit line running from north-east to south-west Tianjin. It was opened on 1 October 2012. The line is 33.7 km long and has 26 stations of which 8 are elevated and the rest are underground. Opening ...

, metro line in Tianjin * Line 3 (Wuhan Metro), metro line in Wuhan, Hubei *

Line 3 (Xi'an Metro) Line 3 of the Xi'an Metro () is a rapid transit line running from northeast to southwest Xi'an, linking Xi'an International Trade & Logistics Park in the northwest through Xi'an Economic & Technological Development Zone to Yuhuazhai in the sout ...

, metro line in Xi'an, Shaanxi *

Line 3 (Zhengzhou Metro) Line 3 of Zhengzhou Metro () is a rapid transit line in Zhengzhou Zhengzhou (; ), also spelt Zheng Zhou and alternatively romanized as Chengchow, is the capital and largest city of Henan Province in the central part of the People's Republic ...

Europe

* Line 3 (Athens Metro), a metro line of the Athens Metro, Athens, Greece *

Line 3 (Budapest Metro) Line 3 (Officially: North-South Line, Metro 3 or M3, and unofficially: Blue Line) is the third and longest line of the Budapest Metro. It runs in a general north-south direction parallel to the Danube on the Pest side, roughly following Váci � ...

, a subway line of the Budapest Metro, Budapest, Hungary *

Line 3 (Madrid Metro) Line 3 is a rapid transit line of the Madrid Metro in Madrid. It contains 18 stations across . History The line was opened in August 1936 between and , a few days before the beginning of the Spanish Civil War. In 1941 it was extended from Sol ...

, a metro line of the Madrid Metro, Madrid, Spain *

Line 3 (Metrovalencia) Line 3 is a line of Metrovalencia, the railway service in Valencia, Spain. It opened in 1995, and connects Rafelbunyol and the airport An airport is an aerodrome with extended facilities, mostly for commercial air transport. Airports ...

, in Valencia, Spain * Line 3 (Moscow Metro), the Arbatsko-Pokrovskaya line in Moscow, Russia *

Line 3 (Saint Petersburg Metro) Line 3 of the Saint Petersburg Metro, also known as ''Nevsko-Vasileostrovskaya Line'' (russian: Не́вско-Василеостро́вская ли́ния) or ''Green Line'', is a rapid transit line in Saint Petersburg, Russia, which connects ...

Île-de-France tramway Line 3 , timezone1 = CET , utc_offset1 = +01:00 , timezone1_DST = CEST , utc_offset1_DST = +02:00 , blank_name_sec1 = Gross regional product , blank_info_sec1 = Ranked 1st , bla ...

, a modern tramway in Paris * Paris Métro Line 3, a line of the Paris Métro rapid transit system in France * U3 (Vienna U-Bahn), a subway line of Vienna U-Bahn, Vienna, Austria

North America

Canada

* Line 3 Scarborough in Toronto * Line 3 Red (Montreal Metro), proposed but not built

Mexico

* Mexico City Metro Line 3, a rapid transit line in Mexico City

United States

* Route 3 (MTA Maryland), a bus route *

3 (New York City Subway service) The 3 Seventh Avenue Express 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 through most of Manhattan. The 3 operates a ...

, a rapid transit service *

3 (Los Angeles Railway) 3 was the number assigned to two distinct streetcar lines operated by the Los Angeles Railway in Los Angeles, California. Combined, they operated from 1924 to 1947. 1924 alignment The first version of 3 was introduced in 1924, and was cotermino ...

, former streetcar service

South America

Line 3 (Metrovía) Line 3 of Metrovia was inaugurated on May 4 of 2008. It connects the populous Neighborhood of Bastion Popular at the North of Guayaquil with downtown. Stations {, class = "toc" cellpadding = 0 cellspacing = 2 width = 90% style="margin:1em auto; ...

, a bus route in Guayaquil, Ecuador * Line 3 (São Paulo Metro), Brazil *

Santiago Metro Line 3 Line 3 is a rapid transit line of the Santiago Metro. Traveling from La Reina in the east towards the center, and Quilicura in the North, Line 3 was originally intended to open in the late 1980s, but the 1985 Algarrobo Earthquake hampered its c ...

, in Chile