Arkansas Driving Permit Practice Test

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What's the purpose of counting seconds when following another vehicle?

To estimate distance for safe stopping
To measure the time taken for lane changes
To calculate fuel efficiency
To synchronize with traffic signals

The correct answer is: To estimate distance for safe stopping

Counting seconds when following another vehicle is important to estimate the distance you should maintain between your vehicle and the vehicle ahead. By counting seconds, you can ensure that you have enough space to safely stop your vehicle in case the vehicle in front of you suddenly brakes. This practice helps prevent rear-end collisions and allows you to maintain a safe following distance in various driving conditions. It is a crucial aspect of defensive driving and contributes to overall road safety. Option B, measuring the time taken for lane changes, is not the purpose of counting seconds when following another vehicle. Lane changes involve checking blind spots, signaling, and safely merging into different lanes. Option C, calculating fuel efficiency, is not directly related to counting seconds when following another vehicle. Fuel efficiency is influenced by factors such as vehicle maintenance, driving habits, and road conditions. Option D, synchronizing with traffic signals, does not require counting seconds when following another vehicle. Synchronizing with traffic signals involves adjusting your speed to catch green lights or adjusting your stopping distance to avoid running a red light.