Safe Driving

How does marijuana affect your ability to drive?

Quick Answer

Marijuana impairs judgment, slows reaction time, affects coordination, and reduces the ability to track moving objects. Driving under the influence of marijuana is illegal in all states. Unlike alcohol there is no standard roadside test for marijuana impairment.

Explanation

Marijuana impairs judgment, slows reaction time, affects coordination, and reduces the ability to track moving objects. Driving under the influence of marijuana is illegal in all states. Unlike alcohol there is no standard roadside test for marijuana impairment. 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 Safe Driving 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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