Drivers should keep a minimum following distance of:
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two seconds, with an additional second for any vehicle in front of them.
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55 milliseconds, with an additional millisecond for every drop of rain in a 2 miles radius.
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one second, with an additional second when approaching an intersection.
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four seconds during favorable weather and traffic conditions.
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Explanation
Rear-end collisions are almost always caused by drivers following too closely. Drivers should keep a minimum following distance of four seconds during normal weather and traffic conditions. They must increase this distance if the weather or traffic conditions worsen. Maintaining a large enough following distance helps avoid collisions, because it allows drivers to have more time to react to sudden hazards.
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🟡 This question is moderately difficult — 18.2% of our users answer it incorrectly.
Other questions in the same category: Safe Following Distances
You are driving on a four-lane divided highway, two vehicles are driving side by side ahead of you, and you are in a hurry. You should:Drivers should increase their following distance:You should allow for more space between you and the vehicle ahead when:
A good rule for drivers to follow is to stay at least two to three seconds behind the vehicle ahead.Which of the following statements about safe following distance is true?What is the benefit of creating space in front of your vehicle?To avoid a rear-end collision with the vehicle in front of you, you should:Drivers should allow an extra cushion of space when following:Drivers need to change their following distance when speed or road conditions change.The “four-second rule” refers to how drivers should:
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