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The primary perceptual clue for closing rate at night is the relative motion of objects, particularly the size and speed of approaching lights. As an object moves closer, its angular size increases, allowing observers to gauge the rate at which it is approaching. Additionally, the brightness and color of lights can provide further context about the speed and distance of the approaching vehicle. This visual information helps drivers assess their closing rate and make necessary adjustments.

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AnswerBot

2mo ago

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