Tennessee F Endorsement Driver's License Practice Exam 2025 – Your Comprehensive All-in-One Guide to Success!

Question: 1 / 400

What does the 'two second rule' refer to while driving on a highway?

The time to change lanes safely

The safe following distance

The 'two second rule' refers to the safe following distance required between your vehicle and the one in front of you while driving on a highway. This rule suggests that you should maintain a distance that allows you to see the vehicle ahead cross a fixed point, such as a sign or a tree, and then count two seconds before your vehicle reaches that same point. This ensures that you have enough time to react if the vehicle in front of you suddenly slows down or stops.

This practice is essential for maintaining a safe driving environment, particularly at high speeds on highways, where short stopping distances can lead to collisions. By adhering to this rule, drivers can better anticipate potential hazards and provide adequate space to respond to unexpected situations on the road.

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The duration to accelerate to speed

The time to react to emergency stops

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