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A median strip, central reservation, roadway median, or traffic median is the reserved area that separates opposing lanes of traffic on divided roadways such as divided highways, dual carriageways, freeways, and motorways. The term also applies to divided roadways other than highways, including some major streets in urban or suburban areas.
A traffic island is a solid or painted object in a road that channels traffic. It can also be a narrow strip of island between roads that intersect at an acute angle . If the island uses road markings only, without raised curbs or other physical obstructions, it is called a painted island or (especially in the UK) ghost island .
These pedestrian refuges may consist of building traffic islands in the middle of the road; extending an existing island or median strip to the crosswalk to provide a refuge; or simply cutting through the existing island or median strip where the median is already continuous. [20]
Painted island. See traffic island. Passing. See overtaking. Passing lane or overtaking lane The lane closest to the median strip on a multi-lane highway. Parallel road. See frontage road. Parkway A broad, landscaped highway thoroughfare, particularly a roadway in a park or connecting to a park from which trucks and other heavy vehicles are ...
Despite this, no expressway allows traffic to cross the median strip (apart from U-turns on a limited number of expressways) and expressways do not have at-grade traffic signals or roundabouts. Expressways have a maximum speed limit of 110 km/h (68 mph), while speed limits of 90 km/h (56 mph) or lower are typical in built-up areas.
Governor’s Strip: Delaware; Hellstrip [27] Island strip: Long Island, New York [citation needed] Long acre – a traditional term for wide grassy road verges, used by grazing herds or flocks moving from place to place; Median: Washington, Oregon [citation needed] Mow strip: SF East Bay Area Northern California; Nature strip: Australia [28]
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A dual carriageway or a divided highway is a class of highway with carriageways for traffic travelling in opposite directions separated by a central reservation (BrE) or median (AmE). Roads with two or more carriageways which are designed to higher standards with controlled access are generally classed as motorways , freeways, etc., rather than ...