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Alignment
The geometric characteristics or layout of a roadway. Alignment is usually subdivided into horizontal alignment. Includes straight, curve left, curve right.
Changing Lanes
Shift from one traffic lane to another traffic lane moving in the same direction.
Deployed-Side Air Bag
Air bag on side of motor vehicle is deployed out of its cover and protruding into occupant compartment. Bag is fully or partially deflated or inflated.
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.
Advance Warning Area
Located after the first warning sign but before the work area.
Centerline, Broken
A broken centerline indicates that passing is permitted.
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
Centerline, Solid and Broken Line
A centerline that is both solid and broken indicates that passing is permitted in one direction.
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.
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