What is the purpose of rumble strips on highways?
Quick Answer
Rumble strips are grooves or raised patterns on road surfaces that create noise and vibration when driven over. They serve as an alert to drowsy or distracted drivers that they are drifting. Edge line rumble strips run along the shoulder. Centerline rumble strips prevent head-on collisions on two-lane roads.
Explanation
Rumble strips are grooves or raised patterns on road surfaces that create noise and vibration when driven over. They serve as an alert to drowsy or distracted drivers that they are drifting. Edge line rumble strips run along the shoulder. Centerline rumble strips prevent head-on collisions on two-lane roads. Understanding this concept is essential for safe driving and will help you answer similar questions on the DMV written test.
Why This Matters on the DMV Test
Questions about Traffic Signs are among the most common on the permit test. Knowing the correct answer helps you pass your exam and stay safe on the road. Most states require a score of 70–83% to pass.
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