The “four-second rule” refers to how drivers should:
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Follow another vehicle.
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Cross an intersection.
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Yield to other cars.
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Turn at stop signs.
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Explanation
Always maintain a safe distance between your vehicle and the one ahead of you. If the pavement is dry, maintaining a 4-second following distance allows you to safely steer or brake to avoid a hazard. If you are following too closely and the vehicle in front abruptly stops or slows down, you won't have enough time to prevent a collision.
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Other questions in the same category: Safe Following Distances
Drivers should maintain a two-second safe following distance when driving at:When should you increase your following distance?To safely stop in emergencies always allow a space cushion of at least:You should allow for more space between you and the vehicle ahead when:
You should allow a four-second or more cushion when:For speeds greater than 30 mph, a safe following distance should be:The ten-second rule helps the driver determine a safe following distance.Following the vehicle ahead too closely is the cause of many traffic accidents. Always maintain a minimum _____ following distance.The “three-second rule” applies to the space ______ of your vehicle.Most rear-end collisions are caused by the vehicle in the back following too closely.
This question appears in the following DMV practice tests: