Traffic Violation Terms and Definitions

Advance Warning Area Located after the first warning sign but before the work area. AAMVA American Association of Motor Vehicle Administrators Collision A motor vehicle crash, other than an overturning crash, in which the first harmful event is a collision of a motor vehicle in transport with another motor vehicle, other property, animal or pedestrian. Backing A start from a parked or stopped position in the direction of the rear of the motor vehicle. Alignment The geometric characteristics or layout of a roadway. Alignment is usually subdivided into horizontal alignment. Includes straight, curve left, curve right. Hit and Run Crashes where the vehicle, or the driver of the vehicle, in transport is a contact vehicle in the crash, and departs the scene without stopping to render aid. Authorized Speed Limit Authorized speed limit for the motor vehicle at the time of the crash. The authorization may be indicated by the posted speed limit, blinking sign at construction zones, etc. Centerline A pavement marking used to separate traffic traveling in opposite directions. A centerline need not be at the geometrical center of the pavement. Air Bag Deployed Deployment status of an air bag relative to the position in the vehicle for this occupant. BAC Test Result Blood Alcohol Concentration.

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	Did You Know?
	Swerving or Avoiding (due to wind, slippery surface, vehicle, object, non-motorist in roadway, etc.) is defined Defensive driver action to defend against an apparent danger in, on, or due to the condition of the roadway or the presence of a motor vehicle or object or non-motorist in the roadway in order to avoid a crash.