Ace the Texas CDL General Knowledge Exam 2025 – Drive Your Future to Success!

Question: 1 / 400

What is the correct following distance behind another vehicle?

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3 seconds

The correct following distance behind another vehicle is approximately 3 seconds. This time frame is recommended to provide a safe cushion of space for drivers, allowing for adequate reaction time in case the vehicle ahead suddenly slows down or stops.

Measuring following distance in seconds helps ensure that drivers maintain a safe space when conditions are ideal, such as on dry roads and in good weather. The 3-second rule is particularly effective because it accounts for the need to stop safely while providing enough time to react to unexpected situations.

When driving in adverse conditions, such as inclement weather or if you're driving a larger vehicle, it may be wise to increase that following distance even further to maintain safety.

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