Traffic Violation Terms and Definitions

Advance Warning Area Located after the first warning sign but before the work area. Alcohol/ Involvement Law enforcement suspected, and documented, that at least one driver or non-motorist involved in the crash had used alcohol. Includes both alcohol use under the legal limit and at or over the legal limit. Commercial Driver License Class (CDLC) The type of commercial motor vehicle that a licensed driver has been examined on and/or approved to operate. This information is obtained by linkage to the driver license file. AASHTO American Association of State Highway and Transportation Officials Collision With Object Not Fixed A motor vehicle in transport strikes a pedestrian, pedalcycle, railway vehicle, animal, motor vehicle in transport, parked motor vehicle, falling, work zone/maintenance equipment, other moveable object or is struck by falling, shifting cargo or anything set in motion by a motor vehicle. Commercial Motor Vehicle Any self-propelled or towed motor vehicle used on a highway in interstate commerce to transport passengers or property when the vehicle (1) has a gross vehicle weight rating or gross combination weight rating or gross vehicle weight or gross combination weight, of more than 10,000 lbs or 4,536 kg or (2) used for commercial transport of more than 8 passengers (including the driver); or (3) is used for non-commercial transport of more than 15 passengers, including the driver; or (4) is used in transporting material found by the Secretary of Transportation to be hazardous under 49 U.S.C. 5103 and transporting in a quantity requiring placarding under regulations prescribed by the Secretary under 49 CFR, subtitle B, chapter I, subchapter C. Area(s) of Impact The areas of damage to the motor vehicle caused by the crash. These areas should include the area of the motor vehicle that received the initial impact and the area that was most damaged. Centerline, Solid and Broken Line A centerline that is both solid and broken indicates that passing is permitted in one direction. Backing A start from a parked or stopped position in the direction of the rear of the motor vehicle. AAMVA American Association of Motor Vehicle Administrators

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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.