CDL General Knowledge Practice Test

Test your general knowledge for the CDL exam. Covers vehicle inspection, basic control, safe driving, and more.

Question 1 of 100/0 correct

Which is the best description of reaction distance?

Frequently Asked Questions

What topics are on the CDL General Knowledge test?

The CDL General Knowledge test covers vehicle inspection, basic vehicle control, safe driving practices, transporting cargo, and general commercial driving regulations. It's required for all CDL classes.

How many questions are on the CDL General Knowledge test?

The CDL General Knowledge test typically has 50 multiple-choice questions. You need to answer at least 80% correctly (40 out of 50) to pass.

Is the General Knowledge test required for all CDL drivers?

Yes, the General Knowledge test is mandatory for all CDL applicants regardless of which class (A, B, or C) or endorsements you're pursuing. It's the foundation of the CDL written exam.

What is the best way to study for CDL General Knowledge?

Read the General Knowledge section of your state's CDL manual, then practice with sample tests. Focus on areas like vehicle inspection procedures, safe driving rules, and cargo handling. This free test gives you instant feedback on each answer.

Looking for state-specific CDL practice tests? Visit CDL Answers for practice tests tailored to all 50 states.