Editing Blue Line

{{wiktionary|blue line|blueline}}
'''Blue Line''' or '''Blueline''' may refer to:
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== Transportation ==
=== Asia ===
==== China ====
* [[Line 2 (Beijing Subway)]], Beijing, China
* [[Island line (MTR)]], Hong Kong, China

==== India ====
* [[Blue Line (Namma Metro)]], Bengaluru, India
* [[Blue Line (Chennai Metro)]], Chennai, India
* [[Blue Line (Delhi Metro)]], Delhi, India
* [[Blue Line (Hyderabad Metro)]], Hyderabad, India
* [[Blue Line (Kolkata Metro)]], Kolkata, India
* [[Blue Line (Lucknow Metro)]], Lucknow, India
* [[Blue Line (Nagpur Metro)]], Nagpur, India

==== South Korea ====
* [[Busan Metro Line 4]], Busan, South Korea
* [[Seoul Subway Line 1]], Dark Blue Line, Seoul, South Korea
* [[Seoul Subway Line 4]], Light Blue Line, Seoul, South Korea

==== Taiwan ====
* [[Blue Line (Taichung Metro)]], Taichung, Taiwan
* [[Bannan line]], Taipei, Taiwan

==== Others ====
* [[Blue Line (Bangkok)]], Bangkok, Thailand
* [[Blue Line (Dubai Metro)]], Dubai
* [[KA Commuter line Jakarta Kota–Cikarang|Cikarang Line]] of KRL Commuterline, Jakarta, Indonesia
* [[Manila Light Rail Transit System Line 2]], Manila, Philippines
* [[Line 1 (Riyadh Metro)]], Blue Line, Riyadh, Saudi Arabia
* [[Downtown MRT line]], Singapore
* [[Yokohama Municipal Subway Blue Line]], also called Lines 1 & 3, Yokohama, Japan

=== Europe ===
* [[Blue Line (airline)]], based in France
* [[Blue Line (Lisbon Metro)]], Portugal
* [[Blue Line (Stockholm Metro)]], Sweden
* [[Blue Line International]], a former ferry service in the Adriatic Sea
* [[Barcelona Metro line 5]], often called "Línia Blava" (Blue Line), Barcelona, Spain
* [[Barcelona Metro line 6]], Barcelona, Spain
* [[Paris Métro Line 2]], Paris, France
* [[Piccadilly line]], London, England
* [[Sheffield Supertram]] Blue Line, United Kingdom
* [[Tyne and Wear Metro]] of Newcastle upon Tyne, UK (Former line)
* [[Victoria line]], London, England

=== North America ===

====New York City====
* The [[Harlem Line]] of the Metro-North Railroad
* The [[Hoboken–33rd Street]] route of the PATH Train
* Any of the New York City Subway services that use the [[IND Eighth Avenue Line]] and its branches:
** [[A (New York City Subway service)|A Eighth Avenue Express]]
** [[C (New York City Subway service)|C Eighth Avenue Local]]
** [[E (New York City Subway service)|E Eighth Avenue Local]]
** The former [[K Eighth Avenue Local]]
** The [[Rockaway Park Shuttle]], which formerly contained a blue route bullet
* The [[Port Jefferson Branch]] of the Long Island Rail Road
* The former [[JFK Express]] of the New York City Subway
* The future [[T (New York City Subway service)|T Second Avenue Local]] of the New York City Subway
* The [[West Hempstead Branch]] of the Long Island Rail Road
* The [[Staten Island Railway]]

====Other====
* [[Rapid Ride|ARTx Blue Line]], formerly Rapid Ride, Albuquerque, New Mexico
* [[Blue Line (MARTA)]], Atlanta, Georgia
* [[Blue Line (CapMetro)]], Austin, Texas
* [[Blue Line (MBTA)]], Boston, Massachusetts
* [[Blue Line (Calgary)]], Calgary, Alberta, Canada
* [[Lynx Blue Line]], Charlotte, North Carolina
* [[Blue Line (CTA)]], Chicago, Illinois
* [[Blue Line (RTA Rapid Transit)]] (light rail), Cleveland, Ohio
* [[Blue Line (DART)]], Dallas, Texas
* [[Trinity Railway Express]], Dallas, Texas
* [[H Line (RTD)]], Denver, Colorado
* [[A Line (Los Angeles Metro)]], Los Angeles County, California
* [[Blue Line (Mexico City Metro)]], Mexico
* [[Blue Line (Mexico City Metrobús)]], Mexico
* [[Metro Blue Line (Minnesota)]], Minneapolis, Minnesota
* [[Blue Line (Montreal Metro)]], Montreal, Quebec
* [[Atlantic City Line]], a commuter rail line New Jersey
* [[Newark Light Rail#Newark City Subway 2|Grove Street – Newark Penn]], a light rail line in Newark, New Jersey
* [[North Jersey Coast Line]], a commuter rail line New Jersey
* [[Blue Line (Pittsburgh)]], Pittsburgh, Pennsylvania
* [[Market–Frankford Line]], Philadelphia, Pennsylvania
* [[Blue Line (SacRT)]], Sacramento, California
* [[Blue Line (San Diego Trolley)]], San Diego, California
* [[Blue Line (BART)]], San Francisco Bay Area, California
* [[N Judah]], a Muni Metro light rail line in San Francisco, California
* [[Line 3 Scarborough]], Toronto, Canada
* [[Viva Blue]], York Region, Ontario
* [[MAX Blue Line]], Portland, Oregon
* [[Blue Line (St. Louis MetroLink)]], St. Louis, Missouri
* [[Blue Line (Sound Transit)]], a proposed extension in Seattle, Washington
* [[Swift Blue Line]], Snohomish County, Washington
* [[Blue Line (TRAX)]], a light rail line in the Salt Lake City, Utah area
* [[Blue Line (Washington Metro)]], Washington, DC
* [[Tomorrowland Transit Authority PeopleMover]], Walt Disney World, Florida
* [[Line 4 (O-Train)]], the Airport Link of Ottawa's O-Train (Line 4)

=== South America ===
* [[Line 1 (São Paulo Metro)]], São Paulo, Brazil

=== Africa ===

* [[Blue Line (Lagos Transit)]], Lagos, Nigeria

==Other==
* [[Blue Line (album)|''Blue Line'' (album)]], by Yae
* [[Blue line (ice hockey)]], the line between center ice and each team's zone
* [[Blue Line (withdrawal line)]], the UN drawn demarcation line dividing Lebanon from Israel and the Golan Heights
* [[Blue Line (New York State)]], delineates the Adirondack and Catskill parks of New York's Forest Preserve
* [[BlueLine Grid]], a mobile communications platform that connects civil service employees
* ''Blueline'', a 2019 EP by [[twlv]]
* The "blue line", mark on an [[airspeed indicator]] for a multi-engine aircraft
* The blue-line printing process for copying using the diazo chemical process, also known as [[whiteprint]]
* The Blueline Blaster, nickname of [[Hy Buller]] (1926–1968), All Star NHL ice hockey player
* Blue line, a diagram in [[method ringing]] which shows the structure of a method
* Blue-line [[stream]], year-round streams that are typically denoted on maps with solid blue lines
* "Blue Lines", a song by the American band Bright from the album ''[[Full Negative (or) Breaks]]''

{{Color lines (dab)|additional=
* [[Blue belt (disambiguation)]]
* [[Blue Route (disambiguation)]]
* [[Blue Star Line]], a shipping line
* [[Blue Train (disambiguation)]]
* [[Long Blue Line (disambiguation)]]
* [[The Thin Blue Line (disambiguation)]]

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