3 Line or Line 3 may refer to:
Public transport
Asia
- Line 3 (Chennai Metro), or Purple Line, under construction in India
- Line 3 (Kolkata Metro), under construction in Kolkata, India.
- Line 3 (Mumbai Metro), under construction in India
- Line 3 (Pune Metro), under construction in India
- Ampang Line or Line 3, in Klang Valley, Malaysia
- MRT Line 3 (Metro Manila), Philippines
- Busan Metro Line 3, in South Korea
- Seoul Subway Line 3, 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), 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), a metro line in Chengdu, Sichuan
- Line 3 (Chongqing Rail Transit), a monorail line in Chongqing
- Line 3 (Dalian Metro), a metro line in Dalian, Liaoning
- Line 3 (Dongguan Rail Transit), a planned metro line in Dongguan, Guangdong
- Line 3 (Foshan Metro), a metro line in Foshan, Guangdong
- Line 3 (Guangzhou Metro), a metro line in Guangzhou, Guangdong
- Line 3 (Hangzhou Metro), a metro line in Hangzhou, Zhejiang
- Line 3 (Harbin Metro), 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), 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), a metro line in Shanghai
- Line 3 (Shenzhen Metro), a metro line in Shenzhen, Guangdong
- Line 3 (Shijiazhuang Metro), a metro line in Shijiazhuang, Hebei
- Line 3 (Suzhou Rail Transit), a metro line in Suzhou, Jiangsu
- Line 3 (Tianjin Metro), a metro line in Tianjin
- Line 3 (Wuhan Metro), 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), a metro line of the Athens Metro, Athens, Greece
- Line 3 (Budapest Metro), a subway line of the Budapest Metro, Budapest, Hungary
- Line 3 (Madrid Metro), 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)
- Île-de-France tramway Line 3, 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, a former intermediate capacity rapid transit line in Toronto
- Line 3 Red (Montreal Metro), proposed but not built
- Line 3 Ontario, an under construction subway line in Toronto
Mexico
- Mexico City Metro Line 3, a rapid transit line in Mexico City
- Mexico City Metrobús Line 3, 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), a rapid transit service
- 3 (Los Angeles Railway), former streetcar service
- 3 Line (Sound Transit), 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), Brazil
- Santiago Metro Line 3, 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
See also
- Enbridge Line 3, a proposed tar sands oil pipeline
- 3 Train (disambiguation)
- 3-line, a name for the Russian Mosin–Nagant rifle
- Three-line whip, an instruction from a whip to vote in the UK parliament
This disambiguation page lists articles associated with the title Line 3.If an internal link led you here, you may wish to change the link to point directly to the intended article. Category: