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Winter tires

Winter tires

Winter tires or snow tires are designed for use on snow and ice. Winter tires have a tread design with larger gaps than those on summer tires, i…

Two-second rule

Two-second rule

The two-second rule is a rule of thumb by which a driver may maintain a safe trailing distance at any speed. The rule is that a driver should id…

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…

Steering

Steering

Steering is the collection of components, linkages, etc. which allows any vehicle to follow the desired course. The primary purpose of the steer…

Roadmarks

Roadmarks

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

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