what does overdriving your headlights mean?

You may hear someone say not to overdrive your headlight meaning that you need to adjust your speed based on what you can see. At 60 MPH, it takes 360 feet to come to a complete stop. This includes both your reaction time, and the time it takes to slow down. If you can’t see 360 feet ahead of you, you don’t have enough time to react to obstacles. If you lower your speed to 30 MPH, it only takes about 120 feet to come to a complete stop. While you may be tempted to drive the speed limit in all weather conditions, slowing down when it’s dark or foggy can give you the time you need to avoid an accident.

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