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Free MI CDL Diagnostic Test 2024

Part of mandatory Entry-Level Driver Training Course Based on 2024 MI commercial driver's license manualAvailable in EN, ES
30questions
6mistakes allowed
80%passing score

To get a rough idea of how much you know about commercial driving rules in Michigan, try our MI CDL diagnostic test. It contains 30 multiple-choice questions on a variety of topics in commercial driving: air brakes, hazardous materials, buses, combination vehicles, and tanker trucks. This test will help you quickly identify gaps in your knowledge of commercial driving, which will be especially useful if you’re just starting to prepare for the CDL knowledge exams. Each practice question includes a picture and has four possible answers. Choose the most complete and correct answer for each question. Each question also comes with an optional hint if you need it and an explanation of the correct answer. Try our CDL diagnostic test and see whether you are ready for the real thing. Good luck, and drive safely!

4.42 out of 5 • 12 votes.

Perfect for

  • First-time MI CDL and CLP applicants
  • CDL holders adding endorsements
  • MI CDL renewal applicants
MI commercial driver's license

What to expect on the actual exam

How many questions50
How many correct answers to pass40
Passing score80%
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