Look up blue line or blueline in Wiktionary, the free dictionary.

Blue Line or Blueline may refer to:

Transportation

Asia

• Blue Line (Bangkok), Bangkok, Thailand
• Blue Line (Namma Metro), Bengaluru, India
• Blue Line (Chennai Metro), Chennai, India
• Blue Line (Delhi Metro), Delhi, India
• Blue Line (Dubai Metro), Dubai
• Blue Line (Hyderabad Metro), Hyderabad, India
• Blue Line (Lucknow Metro), Lucknow, India
• Blue Line (Nagpur Metro), Nagpur, India
• Blue Line (Taichung Metro), Taichung, Taiwan
• Yokohama Municipal Subway Blue Line, also called Lines 1 & 3, Yokohama, Japan
• Bannan line, Taipei, Taiwan
• Busan Metro Line 4, Busan, South Korea
• Cikarang Line of KRL Commuterline, Jakarta, Indonesia
• Downtown MRT line, Singapore
• Island line (MTR), Hong Kong, China
• Line 2 (Beijing Subway), Beijing, China
• Manila Light Rail Transit System Line 2, Manila, Philippines
• Seoul Subway Line 4, Seoul, South Korea

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
• 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)

North America

• 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 (Dallas Area Rapid Transit), 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
• IND Eighth Avenue Line, a rapid transit line in New York City, serving the A C E Trains
• Hoboken–33rd Street, a rapid line in New York and New Jersey
• Grove Street – Newark Penn, a light rail line in Newark, New Jersey
• North Jersey Coast Line, a commuter rail line New Jersey
• Second Avenue Subway, New York City
• Blue Line (Pittsburgh), Pittsburgh, Pennsylvania
• Market–Frankford Line, Philadelphia, Pennsylvania
• Blue Line (Sacramento RT), 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

Other

• Blue Line (album), by Yae
• Blue line (ice hockey), the line between center ice and each team's zone
• Blue Line (border), the UN drawn demarcation between Lebanon and Israel and Lebanon 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