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DC CDL General Knowledge Exam Simulator 2024

  • Perfect for first-time and renewal CDL/CLP applicants, and those adding endorsements
  • Based on 2024 DC 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.
DC commercial driver's license

About this test

5 min to complete
Available in EN and ES

The only thing standing in the way of you getting a Commercial Driver’s License (CDL) or Commercial Learner’s Permit (CLP) is a General Knowledge Exam. The test contains 50 multiple-choice questions on everything from escape ramps to what to do when you take a break (the answer is to take that time to check the tires and other critical systems). The whole test must be taken in just one hour and you have to answer at least 40 of the questions correctly to pass. If you do not pass you’ll have to make the trek out to the DMV again and that could waste an entire day. So make sure you have the knowledge you need from the official D.C. commercial driver’s manual and take our practice tests several times. The practice test tells you how you are doing as you go so you can see how you might fare under real conditions. If you can’t pass one of the practice tests you won’t have much luck with the real thing. The questions and concepts here are taken almost verbatim from the exam. In order to avoid more trips to the DMV you also need to make sure your paperwork is in order. The D.C. DMV requires you bring a copy of a valid driver’s license as well as proof of citizenship or legal residency. Also you need to have a Medical Examiner’s Certificate (DOT card) signed by a licensed medical examiner, as listed on the Federal Motor Carrier Safety Administration (FMCSA) National Registry. The certificate proves that you are physically qualified to drive commercially. Make sure you have all this together, as well as your wits about you, when you head into the DMV. Get set academically with this practice test!

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 DC CDL exam

50

questions

40

correct answers to pass

80

passing score

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