At night, how should you adjust your following distance?

Study for the Commercial Driver’s License (CDL) Test. Focus on key concepts and sample questions, each with explanations. Prepare to ace your exam!

Multiple Choice

At night, how should you adjust your following distance?

Explanation:
Night driving lowers visibility and can slow your ability to perceive hazards and react in time, so you need a larger space cushion behind the vehicle in front. Increasing your following distance by a full ten seconds gives a generous margin to see brake lights early, react to sudden stops, and stop safely on dark or slick roads where stopping distances are longer. It also accounts for glare from oncoming headlights and the possibility of animals or debris appearing suddenly. Decreasing the gap or only making a small increase would raise the risk of a rear-end collision in poor nighttime conditions, while a ten-second cushion provides the strongest safety buffer among the options. In practice, you should always err toward more space at night and adjust for weather, road surface, and traffic conditions.

Night driving lowers visibility and can slow your ability to perceive hazards and react in time, so you need a larger space cushion behind the vehicle in front. Increasing your following distance by a full ten seconds gives a generous margin to see brake lights early, react to sudden stops, and stop safely on dark or slick roads where stopping distances are longer. It also accounts for glare from oncoming headlights and the possibility of animals or debris appearing suddenly. Decreasing the gap or only making a small increase would raise the risk of a rear-end collision in poor nighttime conditions, while a ten-second cushion provides the strongest safety buffer among the options. In practice, you should always err toward more space at night and adjust for weather, road surface, and traffic conditions.

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