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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…

Slippery road

Slippery road

Road slipperiness is a condition of low skid resistance due to insufficient road friction. It is a result of snow, ice, water, loose material an…

Seatbelt

Seatbelt

Anyone who participates in a passenger car in traffic must always wear the seatbelt or be protected by an adapted and approved security system, …

Roadrage

Roadrage

Roadrage is aggressive or angry behavior exhibited by motorists. These behaviors include rude and offensive gestures, verbal insults, physical t…

Road surface

Road surface

A road surface or pavement is the durable surface material laid down on an area intended to sustain vehicular or foot traffic, such as a road or…

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