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It's a practice test that's automatically made up of all your missed questions. Once you finish this test, you’ll be able to revisit your Challenge Bank™ to practice and sharpen your skills.
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View All Plans- Updated for June 2025
- Based on 2025 IN commercial driver's license manual
Free IN CDL Diagnostic Test 2025
To get a rough idea of how much you know about commercial driving rules in Indiana, try our IN 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!
- Perfect for first-time and renewal CDL/CLP applicants, and those adding endorsements
- Triple-checked for accuracy
What you need to know
What to expect on the actual IN BMV exam
questions
correct answers to pass
passing score
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