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What is the minimum following distance when driving on the highway?

  1. 1 second

  2. 4 seconds

  3. 2 seconds

  4. 6 seconds

The correct answer is: 4 seconds

The minimum following distance when driving on the highway is 4 seconds. This means that you should maintain at least a 4-second gap between your vehicle and the vehicle in front of you. This distance allows for enough time and space to react to any sudden changes or hazards on the road. Option A, 1 second, is too short and does not provide enough time to react. Option C, 2 seconds, is also not enough as it may not leave sufficient space for larger vehicles. Option D, 6 seconds, is too long and may cause other drivers to cut in front of you. This is why the correct answer is 4 seconds.