Traffic Signs

What does a Low Clearance sign mean?

Quick Answer

A Low Clearance sign shows the maximum height of vehicles that can pass under a bridge or overpass. If your vehicle is taller than the posted height, do not proceed — find an alternate route. Striking an overpass is extremely dangerous and causes major damage.

Explanation

A Low Clearance sign shows the maximum height of vehicles that can pass under a bridge or overpass. If your vehicle is taller than the posted height, do not proceed — find an alternate route. Striking an overpass is extremely dangerous and causes major damage. 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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