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Encyclopedia > Cattle grid
Cattle grid in remote Western Australia.
Cattle grid in remote Western Australia.

A cattle grid or cattle guard, also known as a vehicle pass, is a type of obstacle used to prevent hoofed animals, such as sheep or cows, from passing. It consists of a grid of bars or tubes, usually made of metal, firmly fixed on the ground so that the holes are wide enough for animals legs to fall through, but narrow enough that a vehicle's wheels will not. A cattle grid will allow wheeled vehicles to pass through the entrance, but will contain horses, cattle or other wildlife within the enclosure because they will refuse to step on the gate. ImageMetadata File history File links Download high resolution version (1280x960, 391 KB) Summary Photo taken (3rd Aug 2003) and supplied by Nachoman-au. ... ImageMetadata File history File links Download high resolution version (1280x960, 391 KB) Summary Photo taken (3rd Aug 2003) and supplied by Nachoman-au. ... Capital Perth Government Constitutional monarchy Governor Ken Michael Premier Alan Carpenter (ALP) Federal representation  - House seats 15  - Senate seats 12 Gross State Product (2004-05)  - Product ($m)  $100,900 (4th)  - Product per capita  $50,355/person (3rd) Population (December 2006)  - Population  2,050,900 (4th)  - Density  0. ... Species See text. ... COW is an acronym for a number of things: Can of worms The COW programming language, an esoteric programming language. ... Animalia redirects here. ... The Trikke is a Human Powered Vehicle (HPV) This article is about the means of transport. ...


These grids are usually installed over countryside roads where they cross a fence. The alternative is to create a gate that would need to be manually or automatically opened when a vehicle comes. They are common where roads cross open moorland or common land maintained by grazing, but where segregation of fields is impractical, such as in the Scottish Highlands or the National Parks of England and Wales. They are also common throughout the Western United States and Canada, where they are sometimes referred to as a Texas gate. Cattle grids are also used when otherwise unfenced railways cross a fenceline. Rural areas are sparsely settled places away from the influence of large cities and towns. ... A fence in Westtown Township, Pennsylvania A fence is a freestanding structure designed to restrict or prevent movement across a boundary. ... Moorland in the Pennines (England); Coarse grasses and bracken tend to dominate especially in high rainfall areas. ... Common land, or just common, is frequently used to describe a parcel of land, usually near the centre of towns and villages, which is thought to be owned in common by all the members of the community. ... The Scottish Highlands are the mountainous regions of Scotland north and west of the Highland Boundary Fault. ... The Brecon Beacons National Park, looking from the highest point of Pen Y Fan (886 m/2907 feet) to Corn Du (873 m/2864 feet). ...


While these barriers are usually effective, they can fail due to ingenious animals. Sheep have been known to roll on their backs or sides over grids as wide as 8 feet (2.4m), traversing them in order to find more and better food or water.

Virtual grid near Lone Pine, California

"Virtual" cattle grids can also be used. These look like cattle grids, but are only painted lines on the highway. The light-dark pattern of lines and pavement resembles a true cattle guard to animals. Using a virtual cattle guard is cheaper than a true cattle guard, and can be used on higher-speed roads due to its smooth surface. Image File history File links No higher resolution available. ... Image File history File links No higher resolution available. ... The main street in Lone Pine retains a frontier look Lone Pine is a census-designated place (CDP) in Inyo County, California, United States. ...


See also

A bus trap is a metal grate, placed over a ditch or depression in the road, whose tines are spaced far enough apart that smaller-diameter-wheeled vehicles fall inbetween the tines but are still close enough that larger-diameter-wheeled vehicles, such as buses, may pass. ...

External links


  Results from FactBites:
 
Stock-Stop quick fit cattle grid (482 words)
These are constructed like short cattle grids and are recommended for applications where stock control is not an issue.
The grid is a standard size although special sizes and heavy duty versions for abnormal loads can be made to order.
The Highway grid is a rubust, reliable and cost effective solution and is ideal for highway use.
cattle grid - definition of cattle grid in Encyclopedia (177 words)
Cattle grid is a type of obstacle to prevent hoofed animals, such as sheep or cows from passing.
It consists of a grid of bars ot tubes (usually made of metal) firmly fixed on the ground so that the holes are large enough for animal's legs to fall through, but small enough that a vehicle can pass over it.
These grids are usually installed over countryside roads where they cross a fence.
  More results at FactBites »


 

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