High beam headlights are most effective for speeds faster than:
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70 MPH.
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25 MPH.
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50 MPH.
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90 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
Which of the following is true?When driving at night, drivers should NOT:When driving behind another vehicle at night, you should:When approaching an oncoming vehicle, drivers are required to dim their high beams within ______ of the oncoming vehicle.
Your headlights must be on low beam when you are within _______ of an oncoming vehicle.If a vehicle is approaching with high beams, drivers should look __________ until the vehicle passes.Drivers should use high beam headlights when:If a vehicle using high beams is coming toward you:If a vehicle using high beams comes toward you, you should:Pennsylvania law requires you use low beams whenever you are within ____ feet of an oncoming vehicle and when you are following a vehicle within ____ feet.
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