
1) Chicago Transit Authority 2) Delhi Metro line 3) Light rail in Maryland 4) Light rail in Missouri 5) Light rail in Utah
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https://www.crosswordclues.com/clue/red-line

See "Booster Hose"
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http://en.wikipedia.org/wiki/Glossary_of_firefighting_equipment
[Baltimore] The Red Line is a proposed east-west mass transit light rail line for Baltimore, Maryland. It is still in the planning stages and has been granted federal approval to enter the preliminary engineering phase. The line`s construction is estimated to begin in late 2015-early 2016, subject to funding, with a completion date set for ...
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http://en.wikipedia.org/wiki/Red_Line_(Baltimore)
[Cleveland] ==History== The corridor along which the Red Line runs had been planned for use since before 1930, when the Cleveland Union Terminal opened. The first short section, between East 34th and East 55th Streets, was in use by the Cleveland Interurban Railroad in 1920, and in 1930 the line between East 34th and the Union Terminal was ...
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http://en.wikipedia.org/wiki/Red_Line_(Cleveland)
[Dallas Area Rapid Transit] The Red Line is a light rail line in Dallas, Texas operated by the Dallas Area Rapid Transit system. Along with the {DART B}, it is one of the two original Dallas light rail lines. ==Route== ===Westmoreland to Downtown=== The southwestern terminus of the Red Line is at Westmoreland Station in southwest Dallas at ...
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http://en.wikipedia.org/wiki/Red_Line_(Dallas_Area_Rapid_Transit)
[Luas] The Red Line is one of the two lines of Dublin`s Luas light rail system. The Red Line runs in an east-west direction through the city centre, north of the River Liffey, before and travelling southwest to Tallaght, with a fork to Citywest and Saggart. The Red Line opened on 26 September 2004. Construction work began in March 2001 on t...
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http://en.wikipedia.org/wiki/Red_Line_(Luas)
[MARTA] The Red Line is a rapid transit line in the MARTA rail system. It operates between North Springs and Airport stations, running through Sandy Springs, Dunwoody, Atlanta, East Point and College Park. The Red Line was originally called the North-South Line until MARTA switched to a color-based naming system in October 2009. The North-S...
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http://en.wikipedia.org/wiki/Red_Line_(MARTA)
[MBTA] The Red Line is a rapid transit line operated by the Massachusetts Bay Transportation Authority (MBTA), running roughly northwest to southeast from Alewife station in Cambridge, Massachusetts, through downtown Boston (with transfers to the Green Line at Park Street, the Orange Line at Downtown Crossing and the Silver Line at South St...
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http://en.wikipedia.org/wiki/Red_Line_(MBTA)
[Metropolitan Transit Authority of Harris County, Texas] ...
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http://en.wikipedia.org/wiki/Red_Line_(Metropolitan_Transit_Authority_of_Ha
[Namibia] The Red Line, also referred to the veterinary cordon fence (VCF) is a Pest-exclusion fence separating Northern Namibia from the central and southern country parts. It encases Ovamboland, Kunene, Caprivi and Kavango.{failed verification|date=April 2013} It was originally a Police zone for controlling north-south travel of the indig...
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http://en.wikipedia.org/wiki/Red_Line_(Namibia)
[Pittsburgh] The Red Line (formerly the 42S South Hills Village via Beechview) is a line on the Pittsburgh Light Rail system that runs between South Hills Village and Downtown Pittsburgh via the Beechview neighborhood. Companion routes, the Blue Line - South Hills Village and Blue Line - Library, branch off north of Martin Villa and run thr...
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http://en.wikipedia.org/wiki/Red_Line_(Pittsburgh)
[TRAX] The Red Line is a light rail line on the TRAX system in the Salt Lake Valley of Utah operated by the Utah Transit Authority (UTA). It originally began operation in December 2001 as the peak-hour-only Sandy/University Line, running from the University of Utah south to Sandy Civic Center on the Blue Line. It was later rerouted to South...
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http://en.wikipedia.org/wiki/Red_Line_(TRAX)
[Tel Aviv Light Rail] The red line, will be the first section of a Light rail system the Tel Aviv metropolitan area, known as Tel Aviv Light Rail. The line will run from Bat Yam in the south to Petah Tikva in the northeast with a significant portion of it underground. The total cost of the red line is estimated at NIS 11 billion or, approxi...
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http://en.wikipedia.org/wiki/Red_Line_(Tel_Aviv_Light_Rail)
[phrase] Red line (קו אדום, Kav Adom) is a phrase used in both English and Hebrew to mean a figurative point of no return or line in the sand, or `a limit past which safety can no longer be guaranteed.` ==Origins== The origin of the phrase in English traces to a red-coated Scottish regiment at the Battle of Balaclava in the Crimean Wa...
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http://en.wikipedia.org/wiki/Red_line_(phrase)

(from the article `Police Zone`) Spanning the north-central sector of what became the mandated territory of South West Africa, the Police Zone`s boundary (often called the Red Line ...
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http://www.britannica.com/eb/a-z/r/22

A line, 12 inches wide, that extends across the ice midway between the goal lines. Also known as the
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http://www.encyclo.co.uk/local/22383
[Ice Hockey] the line that divides the length of the ice surface in half.
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http://www.firstbasesports.com/hockey_glossary.html

[
n] - a line that is colored red bisects an ice hockey rink
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http://www.webdictionary.co.uk/definition.php?query=red%20line

Process of annotating an engineering drawing with comments or corrections; directly on a copy of the drawing or as an overlay on an image. See mark-up.
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https://www.encyclo.co.uk/local/20542
noun a line that is colored red and that bisects an ice hockey rink
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https://www.encyclo.co.uk/local/20974

On a vehicle’s tachometer, there is a range in which it will reach it’s “limiter”. That range is in the red. It usually starts a few thousand RPMs prior to the last number on the tachometer.
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https://www.thextremexperience.com/racetrack-glossary/
No exact match found.