Motor-vehicle collisions are damaging events involving road traffic, particularly automobiles. They can cause damage to vehicles, people or structures. Motor-vehicle collisions — also called traffic collisions, auto accidents, road accidents, car accidents and motor vehicle collisions — kill an estimated 1.2 million people worldwide each year, and injure about forty times this number.

A vehicular collision in Yate, near Bristol, England, in July 2004. The car failed to stop when the articulated lorry stopped at a roundabout. The car's bonnet can be seen deep under the rear of the lorry. There were no injuries.

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