Overdriving your headlights

You are overdriving your headlights when you go so fast that your stopping distance is farther than you can see with your headlights. This is a dangerous thing to do, because you may not give yourself enough room to make a safe stop. Reflective road signs can mislead you as well, making you believe you can see farther than you really can. This may cause you to over-drive your headlights if you are not careful (Diagram 2-58).

(1) a vehicle driving within the range of its low beam headlights (2) a vehicle overdriving the range of its low beam headlights

Diagram 2-58

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