High beam headlights are most effective for speeds faster than:
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70 MPH.
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90 MPH.
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25 MPH.
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50 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
What is NOT true regarding the use of headlights?Motorists are required to use headlights:The NYS law requires drivers to use their headlights:Low-beam headlights can show objects ___ feet ahead.Which of the following is NOT a guideline for driving at night:High beam headlights should be used at night:If the driver of an oncoming vehicle fails to dim the lights, you should look:Headlights must be turned on from sunset to sunrise.High beam headlights can reveal objects up to a distance of ____ feet.Headlights must be used:
This question appears in the following DMV practice tests: