Free CDE Traffic Laws & Road Safety Questions and Answers

Question 1

What does a red traffic light mean?

Accepted Answer

Stop

Answer

A red traffic light is a universal and unambiguous signal in traffic control that mandates all vehicles to come to a complete stop before the intersection or designated stop line. This rule is absolutely crucial for preventing collisions, ensuring pedestrian safety, and maintaining the orderly and safe flow of traffic.

Question 2

What is the legal blood alcohol concentration (BAC) limit for drivers over 21 in most states?

Accepted Answer

0.08%

Answer

The legal blood alcohol concentration (BAC) limit for drivers over 21 in most U.S. states is 0.08%. Driving with a BAC at or above this level is considered 'per se' illegal, meaning impairment is presumed without further proof. This standard is crucial for preventing impaired driving and ensuring road safety.

Question 3

When should you use your turn signals?

Accepted Answer

Before turning or changing lanes

Answer

You should always use your turn signals before turning or changing lanes. This action clearly communicates your intentions to other drivers and road users, giving them time to react accordingly. Signaling is a fundamental safety practice that helps prevent collisions and promotes a smooth flow of traffic.

Question 4

What should you do when approaching a pedestrian crossing?

Accepted Answer

Yield and stop if necessary

Answer

When approaching a pedestrian crossing, you must yield and stop if necessary to ensure the safety of pedestrians. Pedestrians generally have the right-of-way in marked crosswalks and often at intersections. This rule is critical for preventing accidents and promoting a safe environment for all road users.

Question 5

What is the safe following distance rule?

Accepted Answer

3-second rule

Answer

The safe following distance rule commonly taught is the 3-second rule. This guideline provides enough time and space for a driver to react safely to sudden stops or hazards ahead. It should be increased in adverse conditions to maintain an even greater safety margin.

CDE - Comprehensive Driver’s Education Practice Test

CDE - Comprehensive Driver’s Education Practice Test

Free CDE Traffic Laws & Road Safety Questions and Answers