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Free Oregon CDL General Knowledge Test (OR)

  • Perfect for first-time and renewal CDL/CLP applicants, and those adding endorsements
  • Based on 2024 OR commercial driver's license manual
  • Updated for April 2024
Verified by Steven Litvintchouk, M.S., Chief Educational Researcher, Member of ACES. See our detailed commitment to accuracy and quality in our practice tests.

About this test

Available in EN and ES

Today, you will have the opportunity to practice your knowledge from the Oregon Commercial Driver Manual by answering 50 multiple-choice questions on important commercial driving topics, such as safe driving practices, backing, braking, driving in special conditions, and much more. Use the hint provided with each question if necessary, and make sure that you read the question’s explanation, as understanding each concept will help you answer questions correctly on the real written exam. Take this practice exam as often as necessary to get a passing score, and good luck with your exam!

Enhance your preparation with our comprehensive General Knowledge test collection, tailored to cover all key topics of the CDL exam. For a complete understanding of the expenses involved, check out our guide on CDL license cost, and for a step-by-step guide to getting your CDL, visit our CDL license guide.

What to expect on the actual OR CDL exam

50

questions

40

correct answers to pass

80

passing score

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