High beam headlights are most effective for speeds faster than:
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90 MPH.
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50 MPH.
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25 MPH.
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70 MPH.
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Explanation
High beam headlights can illuminate up to 450 feet of the road ahead and are most effective at speeds over 25 MPH. Low beams are best for speeds up to 20–25 MPH, and drivers should avoid 'overdriving' these lights (driving too fast for what they can see).
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Other questions in the same category: Proper Use of Windshield Wipers and Headlights
On rainy, snowy, or foggy days, if you turn on your wipers, you should:On rainy, snowy or foggy days, you should turn on your windshield wipers and:If a vehicle using high beams is coming toward you:High beam headlights can reveal objects up to a distance of ____ feet.Headlights must be turned on from sunset to sunrise.When it starts raining enough to turn on your windshield wipers, you should:You must dim your headlights within ______ of vehicle you are following.Which of the following is true?Headlights must be used:Your headlights must be on low beam within ______ of a vehicle ahead of you.
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