All your missed questions are saved
automatically for extra practice.
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.
View All PlansAdding difficult questions to Challenge Bank™ is an exclusive Premium feature. Unlock access to 650+ exam-like questions, a Pass Guarantee, personalized study plans, and more.
View All Plans| 90-100 | => | 0% |
| 80-89 | => | 58% |
| 70-79 | => | 25% |
| 60-69 | => | 17% |
| <60% | => | 0% |
What does our Iowa Commercial Driver’s License (CDL) General Knowledge practice test series offer? For starters, the practice test is the most engaging resource for helping you develop essential professional driving skills. This second free CDL General Knowledge practice test uses a strategic approach to help you better understand complex information. 6 Iowa users are rapidly gaining a firm understanding of the critical information required to obtain a CDL. Traditional study methods, such as study guides, can make you feel like you’re experiencing the kind of brain freeze only possible in the “Ice Cream Capital of the World.” However, the practice test uses a strategic approach that effectively reduces stress and expedites your learning process. You’ll be absolutely amazed by the vast amount of progress possible in a short period of time.
Capable of comprehensive training, our CDL General Knowledge practice test is unmatched in eliminating the barriers to your success. You must begin training to drive a commercial vehicle under the supervision of a CDL holder. The practice test can help you learn the skills necessary to pass the official knowledge test to obtain a commercial learner’s permit (CLP). The official knowledge test requires you to correctly answer at least 80% of its 50 questions to pass. The practice test uses questions like those on the official knowledge test to assess your understanding of traffic laws and safe driving procedures. Based on the results, you can identify your most potentially damaging knowledge gaps. You’ll be able to make the most efficient use of your study time and rapidly increase your driving skills.
Federal Motor Carrier Safety Administration Provider
M.S., Chief Educational Researcher (ACES member)
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This CDL General Knowledge practice test teaches you indisputable information to correct your most significant misunderstandings. If you submit an incorrect answer, the practice test immediately provides a thorough explanation of the correct one. You can depend on the accuracy of this information because it is taken from the most recent Iowa DOT CDL manual (Iowa DMV Handbook (IA Driver's Manual) 2026). The interactive capability of the practice test gives you a strategic advantage in fully developing your driving skills compared with the outdated approach of traditional study methods. When using traditional study methods, such as a study guide, you don’t receive additional instruction for correcting your wrong answers. This approach will likely leave you frustrated and stalled in your learning process. {completions_this week} practice tests have been completed by aspiring commercial drivers in Iowa, who are experiencing a more innovative and effective way to overcome their learning obstacles. The practice test can make you its next success story by preparing you to exhibit the required driving skills to pass your official knowledge test on your first try.
Gilbert Grape realized that he is allowed to want more for himself, and you can discover the professional driving skills to experience the freedom of the open road with the practice tests at https://driving-tests.org/iowa/ia-cdl-practice-test/.
Driver’s Ed is - nobody wants to set foot inside the DOT. That’s why millions of learners trust us for simple, visual, effective prep.
We are an officially recognized FMCSA Entry-Level Driver Training provider and a proud partner to over 2,500 libraries. We work with safety organizations like GHSA and the National Safety Council to help create safer roads for everyone.
Our trademarked system automatically saves questions you miss, creating personalized tests that target your weak spots until you’ve mastered the material.
Get smarter as you study. Our new AI-powered feedback provides detailed, question-level insights to help you understand the why behind each answer.
Go beyond the boring black-and-white manual. Our interactive handbook lets you read, listen with an MP3 audio version, or even chat with it to find the information you need, faster.
We build our practice questions from the current 2026 IA Driver Handbook and refine them using patterns recent test‑takers report.
Driver handbook • Knowledge‑test/permit overview • Fees & ID requirements • Office/appointment info
We mirror recurring themes (e.g., right‑of‑way traps, sign look‑alikes) and use similar distractors and wording styles.
We don’t collect or publish actual test items and we’re not affiliated with DOT.
Driving-Tests.org is officially listed in the FMCSA Training Provider Registry (TPR) as an approved ELDT training provider.
You can verify our listing yourself at tpr.fmcsa.dot.gov - search for "Driving-Tests" in the Provider Name field, then click the "Online" tab.
Verify at tpr.fmcsa.dot.gov
