B Line, B-Line or Line B may refer to the following:

Transportation

US

B (New York City Subway service) The B Sixth Avenue Express is a rapid transit service in the B Division (New York City Subway), B Division of the New York City Subway. Its route emblem, or "bullet", is colored , since it uses the IND Sixth Avenue Line in Midtown Manhattan. T ...

, a subway route in New York *

B (SEPTA Metro) The B, formerly known as the Broad Street Line (BSL), is a rapid transit line in the SEPTA Metro network in Philadelphia, Pennsylvania, United States. The line runs primarily north-south from the Fern Rock Transit Center in North Philadelphia ...

, one of three subway lines in Philadelphia. *

B-Line (Norfolk Southern) The B-Line is a railroad line owned and operated by the Norfolk Southern Railway in the U.S. state of Virginia. The line runs from Manassas west to Front Royal and Strasburg along a former Southern Railway line, although no trains serve the ...

, a freight-rail line in Virginia *

Green Line B branch The B branch, also called the Commonwealth Avenue branch or Boston College branch, is a branch of the MBTA Green Line (MBTA), Green Line light rail system which operates on Commonwealth Avenue (Boston), Commonwealth Avenue west of downtown Bosto ...

, a light-rail line in Boston, Massachusetts ** B-Line Rivalry, a sports rivalry between Boston College and Boston University *

B Line (Los Angeles Metro) The B Line (formerly the Red Line from 1993–2020) is a fully underground rapid transit line operating in Los Angeles, running between North Hollywood, Los Angeles, North Hollywood and Los Angeles Union Station, Union Station in Downtown Los ...

, a rapid transit line in Los Angeles County, California *

B (Los Angeles Railway) The B was a streetcar line in Los Angeles, California. It was operated by the Los Angeles Railway from 1920 to 1948, originally running from Ramona Boulevard and Miller Street in East Los Angeles to Ascot Avenue and 51st Street. History Brookl ...

, former streetcar service in Los Angeles, US * RapidRide B Line, a bus route in King County, Washington *

B Line (RTD) The B Line, also known as the Northwest Rail Line during construction, is a commuter rail line which is part of the commuter and light rail system operated by the Regional Transportation District in the Denver metropolitan area in Colorado. Par ...

, a light-rail system in Denver, Colorado *

B Line (Valley Metro Rail) The B Line is a light rail line in Phoenix, Arizona. It is the north-south line operating as part of the Valley Metro Rail system. Service began on June 7, 2025. The line's inauguration introduced a new two-line system, whereas the system had pr ...

, a light rail line in Phoenix, Arizona * Butte Regional Transit, a bus system in Butte County, California * Metro B Line (Minnesota), a planned rapid bus line in Minneapolis-Saint Paul **

Riverview Corridor The Riverview Corridor is a transit corridor connecting Downtown Saint Paul and the Mall of America in Bloomington via the Minneapolis-Saint Paul International Airport. The corridor serves an area from the Saint Paul Union Depot to the Mall ...

, previously known as the B Line * B (AC Transit), a bus route in the San Francisco Bay Area

Elsewhere

Line B (Buenos Aires Underground) Line B of the Buenos Aires Underground runs from Leandro N. Alem to Juan Manuel de Rosas in Villa Urquiza. Line B opened to the public on 17 October 1930. In recent years, it has held the title of being the most used line of the Buenos Aires ...

, an underground line in Buenos Aires, Argentina *

B-Line (Hamilton) The Hamilton LRT (also known as the B-Line) is a planned light rail line in Hamilton, Ontario, Canada, to operate along Main Street, King Street, and Queenston Road. It is one of five planned rapid transit lines which form Hamilton's proposed ...

, a proposed light-rail line in Hamilton, Ontario *

Line B (Prague Metro) Line B () is a line on the Prague Metro The Prague Metro () is the rapid transit network of Prague, Czech Republic. Founded in 1974, the system consists of three lines (Line A (Prague Metro), A, Line B (Prague Metro), B and Line C (Prague Me ...

, a subway route in Prague, Czech Republic *

B-Line (Sydney) The B-Line is a high-frequency bus route operated by Keolis Downer Northern Beaches between Wynyard Station in Sydney's central business district and the Northern Beaches region. It is a part of the Sydney suburban bus network. History In ...

, a bus-rapid-transit system in Sydney, Australia *

B-Line (Vancouver) Coast Mountain Bus Company (CMBC) is the contract operator for bus transit services in Metro Vancouver and is a wholly owned subsidiary of the South Coast British Columbia Transportation Authority, known locally as TransLink, the entity respo ...

, a bus-rapid-transit system in Vancouver, British Columbia *

Mexico City Metro Line B Mexico City Metro Line B is one of the twelve rapid transit, metro lines operating in Mexico City, Mexico. It has 21 stations and a total length of , service the line while the rest are used for maneuvers. Line B runs from downtown Mexico City n ...

, a rapid-transit line in Mexico City * :fr:Ligne B du métro de Rennes, a future subway route in Rennes, France

Other uses

* "B Line" (song), a track on Lamb's album ''Fear of Fours'' *

The Eighties Matchbox B-Line Disaster The Eighties Matchbox B-Line Disaster (often referred to as Eighties Matchbox, 80s Matchbox, TEMBD, TEMBLD or shortened to just Eighties or 80s) were an English rock band from Brighton, formed in 1999. They released three albums, '' Hörse of ...

, an English rock band *

Index register An index register in a computer's central processing unit, CPU is a processor register (or an assigned memory location) used for pointing to operand addresses during the run of a program. It is useful for stepping through String (computer science ...

, in computing, per outdated British use *A finding in lung ultrasound

Transportation

US

Elsewhere

Other uses

See also