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  • Updated for January 2025
  • Based on 2025 MI commercial driver's license manual

MI CDL General Knowledge Exam Simulator 2025

The first thing you need to know is that in order to get your Michigan Commercial Driver’s License you are going to need to study up. Once you’re at the DOS you’ll have to take a General Knowledge exam and it can be a little tricky. It’s a 50 question multiple-choice exam, but answers are far from obvious and without the official Michigan Commercial Driver’s Manual, you won’t get very far. Get just 10 wrong and you fail and will have to come back to the DOS another day. To avoid that fate you’ll want to take as many practice tests as you can until you are comfortable with the material. We provide CDL General Knowledge practice tests that have questions that are very similar or even identical to the real thing, with hints and tracking to help you pass the first time. But before you take the test you will have to provide some paperwork. The DOS will expect you to have a valid current driver’s license and proof of citizenship or permanent legal residency. For this, a birth certificate, social security card or green card will do. In addition, you have to prove that you are physically capable of driving a commercial vehicle. The DOS requires you have a Medical Examiner’s Certificate (also known as a DOT card) to certify that you are physically qualified for the job. The certificate generally lasts two years and can only be obtained from a licensed medical examiner listed on the Federal Motor Carrier Safety Administration (FMCSA) National Registry. Once you have that and feel you are ready to face the test you can head to the DOS with confidence. What are you waiting for? Take the first step and start studying our General Knowledge practice exam today!

  • Perfect for first-time and renewal CDL/CLP applicants, and those adding endorsements
This test is a Premium member exclusive. You'll get

All 650 exam-like questions specific to Michigan

Interactive learning with AI personal tutor

Unique 360° Virtual Road Simulations

Get your money back if you don’t pass

About this test

5 min to complete
Available in EN and ES
Verified by Steven Litvintchouk, M.S., Chief Educational Researcher, Member of ACES. See our detailed commitment to accuracy and quality in our practice tests.

What to expect on the actual MI DOS exam

50

questions

40

correct answers to pass

80%

passing score

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Since our foundation in 2010, Driving-Tests.org has led the way in online driver's education, with over a decade of experience. Our dedicated experts, bringing together more than 50 years of collective expertise, have established us as the largest non-governmental organization in the U.S. solely focused on driver education. We go beyond the official manuals, offering unique interactive experiences and support like audio guides and an AI Assistant, to cater to different learning styles and needs.
Helping hundreds of thousands to ace their tests, our resources have earned a 4.7-star rating from over 14,500 reviews. Our goal is to make your path to becoming a confident driver as straightforward and effective as possible.
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