Traffic collision

A traffic collision is an event in which a road vehicle strikes another vehicle, a person, an animal, or an object. It can cause injury, death, or property damage.

Impact biomechanics: The study of forces and motion acting on the human body during impacts. It explains how collision forces produce specific injury patterns.
Traffic collision reconstruction: The analysis of physical evidence to infer how a traffic collision occurred. Investigators use marks, damage, and measurements to estimate vehicle paths and speeds.
Head-on collision: A collision in which two vehicles moving toward one another strike frontally. Opposing motion can produce severe impacts even at moderate individual speeds.
Road traffic fatality: A death resulting from an incident involving road traffic. Fatalities are the most severe human outcome of traffic collisions.
Stopping distance: The distance a vehicle travels from the moment braking begins until it stops. Longer stopping distances reduce the chance of avoiding an impending collision.
Road safety: The design and operation of roads and transport systems to reduce harm. Collision prevention is a central aim of safer roads and transport.
Rear-end collision: A collision in which one vehicle strikes the rear of another vehicle. Following distance and sudden deceleration commonly shape this collision type.
Whiplash: A neck injury caused by rapid acceleration and deceleration of the head and neck. Rear impacts can produce this injury even when vehicle damage appears limited.
Vehicle handling: A vehicle's response to steering, braking, and acceleration inputs. Loss of control can turn a roadway hazard into a collision.
Emergency medical services: Organized care that provides urgent assessment and treatment outside hospitals. Rapid response can limit the consequences of injuries after a collision.

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