perception response time
White or yellow pavement marking lines that delineate the right or left edge(s) of a traveled way (two words)
Federal Highway Administration
Lightweight, flexible, and deformable barrelshape channelization devices used to temporarily redirect traffic traveling through a work zone
The illumination of a signal lens or equivalent device. (two words)
A short distance after the work space that allows traffic to clear the work space and return to normal operation (two words)
An assembly of one or more signal sections that is provided for controlling one or more traffic movements on a single approach (two words)
All signs, signals, markings, and other devices use to regulate, warn, or guide traffic.
A section of clear road between the taper and the work space providing an extra margin of safety for both traffic and workers (two words)
A retroreflective device mounted on the roadway surface or at the side of the roadway in a series to indicate the alignment of the roadway, especially at night or in adverse weather
The distance in front of a protection vehicle it is likely to move if hit (two words)
A device used to mark obstructions within or adjacent to the roadway. (two words)
A mode of traffic control signal operation in which left or right turns are permitted to be made after yielding to pedestrians
A circular intersection with yield control at entry
Vehicles that are traveling in the opposite direction
A traffic control plan developed to control the flow of construction workers, vehicles, and equipment within the work space
That portion of a road adjoining but outside of the normal travel lanes
the maximum lawful vehicle speed for a particular location as displayed on a regulatory sign