Circle Line or Circular line may refer to:

Railways

Asia

Azerbaijan

Baku suburban railway The Baku suburban railway () or Absheron Circular line () is a commuter rail service which began in 2019, serving the Azerbaijani capital Baku. Background In 2016, Chairman of Azerbaijan Railways Javid Gurbanov confirmed that work was underway ...

* (

Baku Metro Baku Metro () is a rapid transit system serving Baku, the capital of Azerbaijan. First opened on 6 November 1967 when Azerbaijan was part of the Soviet Union, its features are typical of former Soviet Union, Soviet systems, including very deep ...

) (partly in operation)

Bangladesh

* Chittagong Circular Railway

China

Line 2 (Beijing Subway) Line 2 of the Beijing Subway () is a rapid transit rail line in central Beijing that runs in a rectangular orbital (metro), loop around the city centre. The line traces the Ming dynasty Beijing city fortifications#Inner city walls, inner city wall ...

Line 10 (Beijing Subway) Line 10 of the Beijing Subway () is the second orbital (metro), loop line in Beijing's rapid transit network as well as the second longest and most widely used line. The line is in length, and runs entirely underground through Haidian District, H ...

Line 4 (Shanghai Metro) Line 4 is a orbital (metro), loop line of the Shanghai Metro network. The older rolling stock 04A01 carry a bright purple colour belt to differentiate them from Line 3 (Shanghai Metro), Line 3 trains which share a portion of its route, while the n ...

* Line 7 (Chengdu Metro) * Line 5 (Zhengzhou Metro) *

Loop line (Chongqing Rail Transit) The Loop line of Chongqing Rail Transit is a rapid transit loop line in Chongqing ChongqingPostal Romanization, Previously romanized as Chungking ();. is a direct-administered municipality in Southwestern China. Chongqing is one of the f ...

* Line 11 (Guangzhou Metro) * Line 3 (Harbin Metro) * Guiyang railway loop line

Hong Kong

* MTR Light Rail Routes 705 and 706, also known as

Tin Shui Wai Tin Shui Wai New Town is a new towns in Hong Kong, satellite town in the northwestern New Territories of Hong Kong. Originally a ' () fish pond area, it was developed in 1980s in Hong Kong, the 1980s as the second New towns of Hong Kong, new tow ...

Circular.

India

* Delhi Ring Railway *

Kolkata Circular Railway Kolkata Circular Railway, also known as the Kolkata Chakra Rail (), is a long railway loop line operated by the Sealdah railway division, Sealdah division of the Eastern Railway zone of Indian Railways, encircling the city of Kolkata. Services ...

* Pink Line (Delhi Metro) (partly in operation)

Indonesia

* Cikarang Line, in Jakarta

Japan

* Meijō Line, in Nagoya *

Osaka Loop Line The is a railway Circle route, loop line in Japan operated by the West Japan Railway Company (JR West). It encircles central Osaka. Part of a second, outer loop line, the Osaka Higashi Line, from Hanaten Station, Hanaten to Kyuhoji Station, Kyuh ...

, in Osaka * Sapporo Streetcar, in Sapporo *

Toei Ōedo Line The is a rapid transit railway line of the municipal Toei Subway network in Tokyo, Japan. It commenced full operations on December 12, 2000; using the Japanese calendar this reads "12/12/12" as the year 2000 equals Heisei 12. The line is comple ...

, in Tokyo * Toyama City Tram Line Route 3, in Toyama *

Yamanote Line The Yamanote Line () is a railway Circle route, loop service in Tokyo, Japan, operated by the East Japan Railway Company (JR East). It is one of Tokyo's busiest and most important lines, connecting most of Tokyo's major stations and urban centres ...

, in Tokyo

Malaysia

MRT Circle Line The MRT Circle Line, also known as MRT 3, is a proposed thirteenth rail transit line, the third Klang Valley Mass Rapid Transit, Mass Rapid Transit line and the fifth List of automated urban metro subway systems, fully automated and driverles ...

, in Kuala Lumpur

Myanmar

* Yangon Circular Railway

Pakistan

Karachi Circular Railway Karachi Circular Railway (abbreviated as KCR) (, Sindhi language, Sindhi: ڪراچي سرڪيولر ريلوي) is a partially active regional public transport, public transit system in Karachi, Sindh, Pakistan, which serves the Karachi metropo ...

Singapore

* Circle MRT line

South Korea

Seoul Subway Line 2 Seoul Subway Line 2 (), also known as the Circle Line, is a orbital (metro), circular line of the Seoul Metropolitan Subway. The line running clockwise is called the "inner circle line" and the counter-clockwise line is called the "outer circle ...

Taiwan

* Circular light rail, in Kaohsiung * Circular line (New Taipei Metro)

Thailand

MRT Blue Line The MRT Blue Line () or MRT Chaloem Ratchamongkon Line () is Bangkok's third rapid transit line, following the Sukhumvit line and Silom line of the BTS Skytrain. It is the first line of the MRT (Bangkok), MRT system and is operated by Bangkok Exp ...

, in Bangkok

Europe

Denmark

* City Circle Line, a Copenhagen Metro line *

Ringbanen Ringbanen () is an S-train line in Copenhagen. Its route is roughly semicircular, running around the central part of Copenhagen and connecting the S-train radials about 5 km out. History The ring line started as a freight bypass railway. In ...

, a Copenhagen S-train line

Finland

* Ring Rail Line, in Vantaa (Greater Helsinki)

France

* Paris Métro Line 15

Germany

* Berlin Ringbahn * U3 (Hamburg U-Bahn)

Italy

Line 1 (Naples Metro) Line 1 (Italian language, Italian: ''Linea 1''; ) is a Naples Metro line that runs from in suburban north-west Naples to in southeast Naples. Printed in yellow on the map, it serves 20 stations, 17 of which are underground, over . It is operate ...

(partly in operation)

Norway

Ring Line (Oslo) The Ring Line ( or ) is the newest rapid transit Circle route, loop line of the Oslo Metro of Oslo, Norway. It connects to the Sognsvann Line in the west and the Grorud Line in the east; along with these two lines and the Common Tunnel, the Ring ...

Poland

* Łódz Circular line, a section of the Łódzka Kolej Aglomeracyjna commuter rail service, Łódz, Poland

Russia

* Bolshaya Koltsevaya line, the Big Circle line of

Moscow Metro The Moscow Metro) is a rapid transit system in the Moscow Oblast of Russia. It serves the capital city of Moscow and the neighbouring cities of Krasnogorsk, Moscow Oblast, Krasnogorsk, Reutov, Lyubertsy, and Kotelniki. Opened in 1935 with one l ...

(Line 11) * Koltsevaya line, the Circle line of

(Line 5) *

Moscow Central Circle The Moscow Central Circle or MCC (, МЦК), (Line 14) and marked in a strawberry red/white color is a orbital urban rail transit, urban/metropolitan rail line that encircles historical Moscow. The line is rebuilt from the Little Ring of the M ...

, central circle line of

(Line 14)

Spain

Line 6 (Madrid Metro) Line 6 () of the Madrid Metro opened originally between Cuatro Caminos and Pacifico in 1979. This is one of two circular lines in Madrid, but unlike Line 12, it did not open as a full circle. The circle was completed in 1995, taking four stage ...

* Line 12 (Madrid Metro)

United Kingdom

Circle line (London Underground) The Circle line is a spiral-shaped London Underground line, running from Hammersmith in the west to Edgware Road and then looping around central London back to Edgware Road. The railway is below ground in the central section and on the loop ea ...

, in London * Cathcart Circle Lines, in Glasgow * Fife Circle Line, in Edinburgh and Fife * Glasgow Subway, in Glasgow

North America

United States

* Chicago 'L' Circle Line proposed but unbuilt

Oceania

Australia

City Circle The City Circle is a mostly-underground railway line located in the Sydney central business district and Haymarket, New South Wales, Haymarket, in New South Wales, Australia, that forms the core of Sydney's passenger rail network. The lines are ...

, in Sydney * City Circle free tram, in Melbourne *City Circle trains were originally a feature of the City Loop in Melbourne *

Inner Circle railway line The Inner Circle Line was a Locomotive#Steam, steam era suburban Rail transport, railway line (later Railway electrification system, electrified) in Melbourne, Australia. It served the inner-northern suburbs of Parkville, Victoria, Parkv ...

, in Melbourne * Outer Circle railway line, in Melbourne

Waterways

;United States * Circle Line Downtown, in New York City * Circle Line Sightseeing Cruises, in New York City

Others

* ''Circle Line'' (film), Singaporean film