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Centerline, Solid and Broken Line
A centerline that is both solid and broken indicates that passing is permitted in one direction.
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.
Changing Lanes
Shift from one traffic lane to another traffic lane moving in the same direction.
AAMVA
American Association of Motor Vehicle Administrators
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.
Bikeway
Any road, path, or way which is specifically designated as being open to bicycle travel regardless of whether such facilities are designated for the exclusive use of bicycles or are to be shared with other transportation modes.
Centerline
A pavement marking used to separate traffic traveling in opposite directions. A centerline need not be at the geometrical center of the pavement.
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.
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.
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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