California Driver License (DMV) Written Practice Test

How much distance should you give the vehicle in front of you?

Enough room to decelerate if needed One car length per 10 mph of speed As little as possible Enough space to pass

Correct Answer:

Enough room to decelerate if needed

Explanation:

Having enough room to decelerate is crucial for maintaining a safe following distance. Option B, while a common rule of thumb, is not always accurate as it only applies to certain speeds and may not be enough in case of emergencies. Option C is incorrect as tailgating can lead to accidents and does not allow for a safe stopping distance. Option D is incorrect as maintaining a safe following distance is not just about passing other vehicles, but also allowing for safe braking and avoiding potential collisions. Therefore, option A is the best answer as it emphasizes the importance of having enough distance to safely slow down or stop if needed.

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