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Encyclopedia > Median (road)

On an expressway, motorway, or autobahn, the median (North American English) or central reservation (British English) is the strip of grass or the wall which separates opposing lanes of traffic. This is necessary because of safety concerns, due to the high speed of automobiles on both sides, and the potential danger of a disastrous head-on collision at the combined speed of both vehicles. Also the headlights of traffic in the opposite direction are less disturbing. An expressway is a divided highway, usually 4 lanes or wider in size, where direct access to adjacent properties has been eliminated. ... A motorway (Ireland, New Zealand, the United Kingdom and some Commonwealth nations) is both a type of road and a classification. ... Autobahn (pronounced in IPA, plural Autobahnen) is the German word for a major high-speed road usually linking one or more cities and towns, similar to motorway or freeway in English-speaking countries. ... North American English is a collective term to describe the varieties of the English language that are spoken in the United States and Canada. ... British English is a term primarily used by people outside of the UK to refer to the form of the English language spoken in the British Isles. ... A typical lawn A lawn sprinkler A lawn is an area of land planted with grass and sometimes clover and other plants, which are maintained at an even low height. ... A wall is a usually solid structure that defines and sometimes protects space. ... For people named Lane, please see Lane (people) The word lane has two meanings: A narrow road, usually lacking a shoulder or a median. ... In many parts of the world traffic is generally organized, flowing in lanes of travel for a particular direction, with interchanges, traffic signals, or signage at intersectons to facilitate the orderly and timely flow of traffic. ... Categories: Stub | Core issues in ethics | Firearm components | Safety | American football ... A small variety of cars, the most popular kind of automobile. ... Physical collision Dynamics Deflection happens when an object hits a plane surface In physics, collision means the action of bodies striking or coming together (touching). ... This article is about velocity in physics. ... Vehicles are non-living means of transport. ...


In North American cities, Jersey barriers are usually placed in the median to prevent head-on collisions. World map showing location of North America A satellite composite image of North America North America is the third largest continent in area and in population after Eurasia and Africa. ... A Jersey barrier was originally developed to divide multiple lanes on a highway by the state of New Jersey in the United States. ...


Medians function secondarily as "green areas", beautifying roadways. Some jurisdictions mow their medians, others scatter wildflower seeds which germinate and re-seed themselves every year, while still others create extensive plantings of trees, shrubs, herbaceous perennials and decorative grasses. Where space is at a premium, dense hedges of shrubs filter the headlights of oncoming traffic and provide a resilient barrier. A road is a strip of land, smoothed or otherwise prepared to allow easier travel, connecting two or more destinations. ... The term jurisdiction has more than one sense. ... Categories: Stub | Flowers ... A SeeD is a term given to mercenaries trained and employed by Balamb Garden in the Final Fantasy VIII video game. ... In a botanical sense, germination is the process of emergence of growth from a resting stage. ... A year is the time between two recurrences of an event related to the orbit of the Earth around the Sun. ... The coniferous Coast Redwood, the tallest tree species on earth A tree can be defined as a large, perennial, woody plant. ... A willow shrub A shrub or bush is a horticultural rather than strictly botanical category of woody plant, distinguished from a tree by its multiple stems and lower height, usually less than 6 m tall. ... A Red Valerian, a perennial plant. ... Genera See: List of Poaceae genera The true grasses are monocot (class Liliopsida) plants of the family Poaceae (formerly Graminae). ... For other meanings, see hedge. ...


The central reservation in the U.K. is usually no wider than a single lane of traffic. In some cases, however, it is extended; for instance, if the road is running through hilly terrain, the carriageways may have to be built on different levels of the slope. Two examples of this on the UK road network are on a section of the M6 between Shap and Tebay, where the carriageways are several hundred metres apart allowing a local road to run between them, and on the M62 where the highest section through the Pennines famously splits wide enough for a farm in the central reservation. The other major exception is the A38(M) Aston Expressway, which is a single carriageway of 7 lanes, where the median lane "moves" to account for traffic flow (a system known as tidal flow). Amazingly, there has never been an accident on this short stretch of road. Categories: European countries | United Kingdom | British Isles | Monarchies | European Union member states | Members of the Commonwealth of Nations ... The M6 motorway is the longest motorway in England, United Kingdom. ... The M62 motorway connects the cities of Liverpool and Hull, in England. ... Typical Pennine scenery. ... The A38 is a major trunk road in England. ...


In North America, opposing lanes of traffic may be separated by several hundred meters of fields or forests outside of heavily populated areas, but converge to a lane's width in suburban areas and cities. World map showing location of North America A satellite composite image of North America North America is the third largest continent in area and in population after Eurasia and Africa. ... A field is an open land area, used for growing agricultural crops. ... Forest - Wikipedia /**/ @import /skins/monobook/IE50Fixes. ... Illustration of the backyards of a surburban neighbourhood Suburban redirects here. ...


  Results from FactBites:
 
Idaho Transportation Department - Division of Highways (3825 words)
The inside lane on both east and westbound are closed for construction of the center pier for the new bridge and for work on the concrete barrier in the median.
Comment: This road maintenance operation project is on US-89 four miles east of Montpelier in the area known as the Narrows, from milepost 31 to 32.
Motorists should watch for rock on the road and for construction equipment along the highway.
Road - Wikipedia, the free encyclopedia (1775 words)
Engineered roads in the age of horse drawn transport aimed for a maximum gradient of 1 in 30 on a macadamized surface since this was the steepest a horse could exert to pull a load up hill which it could manage easily on the flat.
Roads (except those on private property not accessible to the general public) are typically paid for by taxes (often raised through levies on fuel), though some public roads, especially highways are funded by tolls.
On the side of the road there may be retroreflectors on pegs, rocks or crash barriers, white toward the direction of the traffic on that side of the road, and red toward the other direction.
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