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Tailgating

Tailgating

Tailgating is when a driver drives behind another vehicle while not leaving sufficient distance to stop without causing a collision if the vehic…

Tachometer

Tachometer

A tachometer is an instrument measuring the rotation speed of a shaft or disk, as in a motor or other machine. The device usually displays the r…

Speed bump

Speed bump

A speed bump is a traffic calming device that use vertical deflection to slow motor-vehicle traffic in order to improve safety conditions. Varia…

Roadmarks

Roadmarks

Roadmarks are used on paved roadways to provide guidance and information to drivers and pedestrians. Uniformity of the markings is an important …

Police

Police

The police is a government agency charged with maintaining public order and security, tracking down and investigating criminal offenses, providi…

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