Free Iowa CDL General Knowledge Test (IA)
- Perfect for first-time and renewal CDL/CLP applicants, and those adding endorsements
- Based on 2024 IA commercial driver's license manual
- Triple-checked for accuracy
- Updated for May 2024
About this test
Practice exams are one of the best ways to expand your knowledge of the relevant laws, road rules, driving techniques, and more that you need as a safe CMV driver.
These 50 multiple-choice questions, complete with hints and explanations, help you prepare for your Iowa CDL written exam by using information and practice questions based directly on the Iowa Commercial Driver License Manual, as well as national and state laws. Practice until you get the score you want, and good luck!
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Iowa CDL License FAQs in 2024
How can you obtain a CDL license?
To obtain a CDL license in Iowa, first get a commercial learner’s permit (CLP) by passing the required knowledge tests. Hold the CLP for at least 14 days before taking the skills test. Complete CDL training (recommended) and pass the skills test. Ensure you meet all medical and legal requirements.
What is the cost of getting a CDL?
The cost for a CDL in Iowa includes a $12 fee for the CLP and a $16 fee for the CDL license. Additional costs may apply for skills testing and CDL training programs.
How long does CDL training last?
CDL training duration in Iowa varies by program. Full-time training typically ranges from a few weeks to several months, depending on the school and the specific program.
What disqualifies you from getting a CDL?
In Iowa, disqualifications from obtaining a CDL include serious traffic violations such as DUIs, reckless driving, criminal convictions involving motor vehicles, and failing the medical examination required for CDL holders.
How long is the CDL permit test?
The Iowa CDL permit test duration varies based on the applicant’s preparedness and test-taking pace. The general knowledge test, which is part of the permit test, typically consists of 50 questions.
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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 IA CDL exam
questions
correct answers to pass
passing score