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 under construction lines of Chennai Metro Phase-II stretching from Madhavaram Milk Colony to SIPCOT IT Park, Siruseri SIPCOT. The long line will consist of 47 stations, out of which 28 will be undergrou ...

, or Purple Line, under construction in India *

Line 3 (Mumbai Metro) Aqua Line (Line 3) is a rapid transit metro line of the Mumbai Metro in the city of Mumbai, Maharashtra, India. The route is Mumbai Metro's first underground line with 27 stations, 26 of which are underground stations and one is at-grade. The ...

, under construction in India *

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

, under construction in India *

Ampang Line , , The LRT Ampang Line and the LRT Sri Petaling Line are medium-capacity light rapid transit (LRT) lines in the Klang Valley, Malaysia. The combined network comprises of tracks with 36 stations and was the first railway in Malaysia to us ...

or Line 3, in Klang Valley, Malaysia *

MRT Line 3 (Metro Manila) The Metro Rail Transit Line 3, also known as the MRT Line 3, MRT-3, or Metrostar Express, is a rapid transit line in Metro Manila in the Philippines. The line runs in an orbital north to south route following the alignment of Epifanio de los ...

, Philippines *

Busan Metro Line 3 Busan Metro Line 3 () is a line of the Busan Metro system. It was built from 1997 to 2005 and opened on November 28, 2005. The line is long, and has 17 stations, and its main colour is brown. Each train of the line has 4 cars. Line 3's trains ha ...

, in South Korea *

Seoul Subway Line 3 Seoul Subway Line 3 (dubbed ''The Orange Line'') of the Seoul Metropolitan Subway is a rapid transit service that connects Eunpyeong District to Gangnam and southeastern Seoul. Most trains head further northwest to serve Goyang via the Ilsa ...

, in South Korea * Taipei Metro Line 3 or Songshan–Xindian or Green line, in Taiwan * Line 3 (Hanoi Metro) or Văn Miếu Line, under construction in Vietnam

China

Line 3 (Beijing Subway) Line 3 of the Beijing Subway () is a rapid transit line in Beijing, China. It opened on December 15, 2024. It is colored rose red in system maps. Description ;Phase 1 Phase 1 of Line 3 is with 10 stations. It is fully underground. Due to unstab ...

, a subway line in Beijing * Line 3 (Changchun Rail Transit), a light rail line in Changchun, Jilin * Line 3 (Changsha Metro), a metro line in Changsha, Hunan *

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 . Phase 1 of this line began construction on 28 April 2012, and opened on 31 J ...

, a metro line in Chengdu, Sichuan *

Line 3 (Chongqing Rail Transit) CRT Line 3 (and the branch line branded as Konggang line) runs from north to south, linking the districts separated by Chongqing's two main rivers, the Yangtze (Chang Jiang) and Jialing rivers. Built by Japan's ODA project, it uses Hitachi, L ...

, 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, ...

, a metro line in Dalian, Liaoning *

Line 3 (Dongguan Rail Transit) Line 3 of the Dongguan Rail Transit () is a planned rapid transit line in Dongguan, Guangdong Province, China. It has a planned 24 stations from Dongguan East railway station in the Northeast of Dongguan, to Jiaoyiwan in the south of Dongguan. ...

, a planned metro line in Dongguan, Guangdong *

Line 3 (Foshan Metro) Line 3 of Foshan Metro (FMetro) () is a metro line in Foshan that runs between in Chancheng District and in Shunde District, and runs between and entirely in Nanhai, Foshan, Nanhai District. The initial section between and opened on 28 ...

, a metro line in Foshan, Guangdong *

Line 3 (Guangzhou Metro) Line 3 of the Guangzhou Metro is a rapid transit line connects to . The entire line, including all track and stations, is located in tunnels. Its main branch, excluding the branch between Tianhe Coach Terminal and Tiyu Xilu, is now the third ...

, a metro line in Guangzhou, Guangdong *

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 in the east, passing through d ...

, a metro line in Hangzhou, Zhejiang *

Line 3 (Harbin Metro) Line 3 of the Harbin Metro () is a rapid transit ring line in Harbin Harbin, ; zh, , s=哈尔滨, t=哈爾濱, p=Hā'ěrbīn; IPA: . is the capital of Heilongjiang, China. It is the largest city of Heilongjiang, as well as being the city w ...

, a metro line in Harbin, Heilongjiang * Line 3 (Hefei Metro), a metro line in Hefei, Anhui * Line 3 (Jinan Metro), a metro line in Jinan, Shandong * Line 3 (Kunming Metro), a metro line in Kunming, Yunnan * Line 3 (Nanchang Metro), a metro line in Nanchang, Jiangxi *

Line 3 (Nanjing Metro) Line 3 is a north–south line on the Nanjing Metro The Nanjing Metro is a rapid transit system serving the List of administrative divisions of Nanjing, urban and suburban districts of Nanjing, the capital city of Jiangsu Province in the Peop ...

, a metro line in Nanjing, Jiangsu * Line 3 (Nanning Metro), a metro line in Nanning, Guangxi * Line 3 (Ningbo Rail Transit), a metro line in Ningbo, Zhejiang * Line 3 (Qingdao Metro), a metro line in Qingdao, Shandong *

Line 3 (Shanghai Metro) ) , logo = SHM Line 3 icon.svg , logo_width = 100px , color = , image = CNR-Alstom Line3.PNG , image_width = 300px , imag ...

, a metro line in Shanghai *

Line 3 (Shenzhen Metro) Shenzhen Metro Line 3 (formerly branded as Longgang line), runs northeastward from to . Line 3 opened on 28 December 2010. Line 3's color is . Since opening, it has been heavily trafficked and became a major transport option for urban workers ...

, a metro line in Shenzhen, Guangdong *

Line 3 (Shijiazhuang Metro) Line 3 of the Shijiazhuang Metro () is a rapid transit line in Shijiazhuang Shijiazhuang; Mandarin: ; formerly known as Shimen and romanized as Shihkiachwang is the capital and most populous city of China's Hebei Province. A prefecture-leve ...

, a metro line in Shijiazhuang, Hebei *

Line 3 (Suzhou Metro) Line 3 is an east-west line of the Suzhou Metro. The line is 45.272 kilometers long. The line links the Wuzhong District, Suzhou Industrial Park The Suzhou Industrial Park () is a development region in Suzhou, Jiangsu, China. The industrial pa ...

, a metro line in Suzhou, Jiangsu * Line 3 (Tianjin Metro), a metro line in Tianjin *

Line 3 (Wuhan Metro) The Line 3 of Wuhan Metro () is a metro line in Wuhan. This line crosses five districts of Wuhan: Jiang'an District, Jianghan District, Qiaokou District, Hanyang District and Caidian District (Wuhan Economic-Technological Zone, WEDZ), and is the f ...

, a metro line in Wuhan, Hubei * Line 3 (Wuxi Metro), a metro line in Wuxi, Jiangsu * Line 3 (Xiamen Metro), a metro line in Xiamen, Fujian * Line 3 (Xi'an Metro), a metro line in Xi'an, Shaanxi * Line 3 (Xuzhou Metro), a metro line in Xuzhou, Jiangsu * Line 3 (Zhengzhou Metro), a metro line in Zhengzhou, Henan

Europe

Line 3 (Athens Metro) Line 3 of the Athens Metro is a rapid transit line that runs from in the west to or in the east, via . Most Line 3 trains start or terminate at Doukissis Plakentias: a through service to the Airport leaves once every 36 minutes, and shares mo ...

, a metro line of the Athens Metro, Athens, Greece *

Line 3 (Budapest Metro) Line M3 (Officially: North-South Line, Metro 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, Hungary, Pest side, roughly follow ...

, 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 19 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), 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'' () or ''Green Line'', is a rapid transit line in Saint Petersburg, Russia, which connects city centre with the western and southeastern districts. It was opened ...

Île-de-France tramway Line 3 The Île-de-France (; ; ) is the most populous of the eighteen regions of France, with an official estimated population of 12,271,794 residents on 1 January 2023. Centered on the capital Paris, it is located in the north-central part of the cou ...

, a modern tramway in Paris *

Paris Métro Line 3 Paris Métro Line 3 (French language, French: ''Ligne 3 du métro de Paris'') is one of the sixteen lines of the Paris Métro. It connects Pont de Levallois–Bécon (Paris Métro), Pont de Levallois–Bécon station in the near northwestern su ...

, a line of the Paris Métro rapid transit system in France *

U3 (Vienna U-Bahn) Line U3 is a line on the Vienna U-Bahn The Vienna U-Bahn () is a rapid transit system serving Vienna, Austria. The five-line network consists of of route, serving 109 stations. 459.8 million passengers rode the U-Bahn in 2019. The modern-da ...

, a subway line of Vienna U-Bahn, Vienna, Austria

North America

Canada

Line 3 Scarborough Line 3 Scarborough, originally known as Scarborough RT (the SRT), was a medium-capacity rapid transit line that was part of the Toronto subway system of the Toronto Transit Commission in Toronto, Ontario, Canada. The line ran entirely within ...

, a former intermediate capacity rapid transit line in Toronto *

Line 3 Red (Montreal Metro) The Red Line (), also known as Line 3 (), was a proposed line of the Montreal Metro. Proposed as part of the Metro in the early 1960s, the line would have run north–south from downtown Montreal, under Mount Royal in the Mount Royal Tunnel, usi ...

, proposed but not built * Line 3 Ontario, an under construction subway line in Toronto

Mexico

Mexico City Metro Line 3 Mexico City Metro Line 3 is one of the 12 metro lines built in Mexico City, Mexico. Line 3 is the longest line, its color is olive green and it runs from north to south of the city covering almost all of it. It is built under Avenida de los Ins ...

, a rapid transit line in Mexico City *

Mexico City Metrobús Line 3 The Mexico City Metrobús Line 3 is a bus rapid transit line in the Mexico City Metrobús. It operates between Tenayuca, in the limits with the State of Mexico in Gustavo A. Madero, Mexico City, Gustavo A. Madero and Pueblo Santa Cruz Atoyac in th ...

, a bus rapid transit line in Mexico City * Line 3 of the Guadalajara urban rail system, Mexico

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 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 cotermi ...

, former streetcar service *

3 Line (Sound Transit) The 3 Line (colored magenta) is a future light rail line in the Seattle metropolitan area in the U.S. state of Washington, to be part of Sound Transit's Link light rail system. It is planned to connect Everett and Snohomish County to Downtown S ...

, a future light rail line in Seattle, Washington

South America

* Line 3 (Metrovía), a bus route in Guayaquil, Ecuador * Line 3 (Rio de Janeiro), a proposed metro line in Rio de Janeiro, Brazil *

Line 3 (São Paulo Metro) Line 3 (Red) () 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 runs between Palmeiras-Barra Funda and Corinthians-Itaquera. It was formerly c ...

, 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

Oceania

Australia

* L3 Kingsford Line, light rail line in Sydney, New South Wales * T3 Liverpool & Inner West Line, Sydney Trains service, New South Wales