You are following another vehicle at night with your high beams on. Under Florida law, within how many feet of the vehicle ahead must you switch to low beams?
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A.
150 feet
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B.
450 feet
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C.
500 feet
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D.
300 feet Correct
The answer is "300 feet"
The rule for a car you are following is 300 feet, tighter than the 500-foot oncoming rule because bright light in the rear mirror blinds the driver ahead just as fast. Choice C is the oncoming figure printed on the same page, and drivers who remember only one number pick that one.
The traps in the wrong answers
A. 150 feet
150 feet is the low-beam reveal distance, not a dim-your-lights rule. This answer pulls the low-beam reach number out of the equipment table and treats it as a night-driving distance.
B. 450 feet
450 feet is how far high beams reveal objects, not a dim distance. This answer grabs the high-beam reach figure from the same paragraph and reuses it as the dim rule.
C. 500 feet
500 feet is the oncoming-vehicle rule, not the follow-behind rule. This answer recalls the more-cited oncoming figure and applies it to both directions of night traffic.
This question tests your knowledge of Adverse Conditions in Florida. Source: Florida Driver Manual, "Night Driving," p.73..
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