Which of these does the manual list as a traffic control device used in work zones?
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A.
Highway rumble strips and lane markings.
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B.
Guardrails and concrete median barriers.
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C.
Fixed traffic lights mounted on poles.
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D.
Drums, cones, and barricades. Correct
The answer is "Drums, cones, and barricades."
The manual names barricades, cones, drums, and flaggers as the traffic control devices used in work zones to guide and direct drivers through the area. Choice C catches drivers who reach for the traffic light because it is the most familiar traffic control device on ordinary streets.
The traps in the wrong answers
A. Highway rumble strips and lane markings.
The manual's work-zone list names barricades, cones, drums, and flaggers, not rumble strips or lane markings. Picks the pavement features a driver notices first on any road and assumes they count as the work-zone equipment the manual names.
B. Guardrails and concrete median barriers.
Guardrails and median barriers are roadway hardware, not items the manual lists among the work-zone traffic control devices it names. Carries over the heavy barriers a driver remembers from past construction detours and treats them as the examples the manual actually prints.
C. Fixed traffic lights mounted on poles.
Fixed traffic lights are not in the manual's work-zone list; the manual names barricades, cones, drums, and flaggers. Reaches for the most familiar traffic control device from everyday streets instead of the equipment the manual names for work zones.
This question tests your knowledge of Construction Signs in North Carolina. Source: North Carolina Driver Handbook, "Hazardous Driving: Work Zones," p.71..
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