In a Florida work zone, what may direct you to reduce speed and use caution?
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A.
Any driver ahead of you signaling with hazard lights.
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B.
A sign, a flagger, or a law enforcement officer. Correct
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C.
Only a uniformed law enforcement officer on scene.
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D.
Only the construction supervisor wearing a hard hat.
The answer is "A sign, a flagger, or a law enforcement officer."
The manual tells you to reduce speed and use caution when directed to do so by a sign, a flagger, or a law enforcement officer in a work zone. Drivers who picture only the uniformed officer on scene default to A, treating badge authority as the only kind that counts and dropping the flagger and posted sign the manual names beside the officer.
The traps in the wrong answers
A. Any driver ahead of you signaling with hazard lights.
The manual's three authorized sources are a sign, a flagger, and a law enforcement officer; hazard lights from another motorist are not on that list. This answer confuses a courtesy hazard-light warning from another driver with the traffic-control authority the manual reserves to a sign, a flagger, or an officer.
C. Only a uniformed law enforcement officer on scene.
The manual lists a sign and a flagger alongside the law enforcement officer, so work-zone authority does not sit with the officer alone. This answer treats the police badge as the only source of traffic-control authority and drops the flagger and posted sign the manual names beside the officer.
D. Only the construction supervisor wearing a hard hat.
The manual's list names a sign, a flagger, or a law enforcement officer, and does not place the on-site supervisor in charge of directing traffic. This answer reads job-site hierarchy into the traffic-control list and promotes the hard-hat supervisor the manual never names.
This question tests your knowledge of Construction Signs in Florida. Source: Florida Driver Manual, "Construction/Maintenance Signs & Signals," p.54..
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