To safely stop in emergencies always allow a space cushion of at least:
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5 seconds behind the vehicle in front of you.
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4 seconds behind the vehicle in front of you.
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7 seconds behind the vehicle in front of you.
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1 second behind the vehicle in front of you.
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Explanation
When vehicles ahead do something unexpectedly, you will need time to react. Always leave enough room between your vehicle and the vehicle ahead so you can stop safely if the other vehicle stops suddenly. Maintaining a following time of 4 seconds improves your line of sight, and allows more time to avoid hazards.
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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:Allow extra space when following:You should allow a four-second or more cushion when:Allowing a space cushion around your vehicle is important because:To keep the driver behind you at a safe distance you should:To maintain an adequate "space cushion" around their vehicle, drivers need to:You should increase your following distance when:At highway speeds, in normal conditions, a safe following distance is at least _____ from the vehicle ahead of you.Drivers should keep a minimum following distance of:Drivers should allow an extra cushion of space when following:
This question appears in the following DMV practice tests: