What is the minimum speed on a highway?
Quick Answer
Most highways have a minimum speed of 40–50 mph. Driving too slowly can be dangerous and illegal if you block or impede the normal flow of traffic. On highways with a 70 mph limit, the minimum is often 50 mph. Slow-moving vehicles must keep to the right lane.
Explanation
Most highways have a minimum speed of 40–50 mph. Driving too slowly can be dangerous and illegal if you block or impede the normal flow of traffic. On highways with a 70 mph limit, the minimum is often 50 mph. Slow-moving vehicles must keep to the right lane. 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 Speed Limits 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.
Practice More Questions Like This
Take a free DMV practice test with real exam-style questions.
Start Practice Test