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CIA

Snow chains

Snow chains

Snow chains are devices fitted to the tires of vehicles to provide maximum traction when driving through snow and ice. Snow chains attach to the…

Slope

Slope

A slope or grade of a road refers to the tangent of the angle of the road to the horizontal. It is a special case of the slope, where zero indic…

Priority vehicle

Priority vehicle

A priority vehicle is any vehicle that is designated and authorized to respond to an emergency in a life-threatening situation. These vehicles a…

Pedestrian

Pedestrian

A pedestrian is a person travelling on foot, whether walking or running. In modern times, the term usually refers to someone walking on a road o…

Loose chippings

Loose chippings

Loose chippings are loose gravel or stone fragments on a road surface and form a hazard to vehicles using that road. It may come from the road's…

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