Highway workers have erected a temporary STOP sign at an intersection. How must you treat it?
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A.
As valid only during posted work hours.
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B.
As a YIELD, since it is not permanent.
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C.
As if it were a permanent STOP sign. Correct
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D.
As advisory when workers are not present.
The answer is "As if it were a permanent STOP sign."
A temporary STOP erected by highway authorities carries the full force of a permanent STOP. Choice B is the trap, downgrading the sign to a YIELD because it looks less official; the manual rules that out in one sentence.
The traps in the wrong answers
A. As valid only during posted work hours.
Temporary STOP signs are enforced continuously while erected. This answer applies a flashing school-zone timing rule to a temporary STOP.
B. As a YIELD, since it is not permanent.
Nothing in the manual downgrades a temporary STOP to a YIELD. This answer assumes a temporary sign carries less force than a bolted-down one.
D. As advisory when workers are not present.
The sign's authority does not depend on workers being on scene. This answer ties enforcement to visible workers, borrowing from work-zone speed rules.
This question tests your knowledge of Regulatory Signs in Illinois. Source: Illinois Rules of the Road, "Shapes of Signs, Stop," p.63..
Related Illinois questions
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