Traffic Violation Terms and Definitions

AASHTO American Association of State Highway and Transportation Officials 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. Air Bag Deployed Deployment status of an air bag relative to the position in the vehicle for this occupant. Changing Lanes Shift from one traffic lane to another traffic lane moving in the same direction. 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. Booster Seat A "belt-positioning seat" that positions a child on a vehicle seat to improve the fit of the lap and shoulder seat belt system. This seat is recommended for children who weigh 40 pounds or more. Driver License Restrictions Restrictions assigned to an individual's driver license by the license examiner, e.g. daytime driving only. Centerline, Solid and Broken Line A centerline that is both solid and broken indicates that passing is permitted in one direction. Curb A raised edge or border to a roadway. Curbs may be constructed of concrete, asphalt, or wood and typically have a face height of less than 9 inches (225 mm).

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	Did You Know?
	A subpoena is a court order to appear or bring information to a court proceeding. The target of the subpoena can object to the order, and a case within a case can evolve that deals solely with the subpoena. A subpoena has to be "served" on the party being ordered to produce information or testimony. Anyone can serve a subpoena, as long as they are not directly involved in the litigation. Along with the expense, another downside of subpoenas is that the information is usually not produced until the time of trial. For purposes of developing a defense it is desirable to have all relevant information well before your trial.