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 | => | 72% |
| 80-89 | => | 18% |
| 70-79 | => | 8% |
| 60-69 | => | 3% |
| <60% | => | 0% |
Are you interested in obtaining a commercial driver’s license (CDL) and joining a workforce that keeps the Gem State flourishing? From freight routes along I-84, I-90, and U.S. 95 to mountain areas and agricultural highways serving the Snake River Plain, drivers with a CDL are in constant demand. In order to obtain a Commercial Learner’s Permit (CLP), you must pass the Idaho DMV CDL General Knowledge Test, among other requirements. That exam contains 50 questions, 40 of which must be answered correctly to earn the required 80% minimum passing score. If you have taken a look at the source material for the exam (in the official state CDL manual), you are likely already aware of the extensive amount of material you’ll need to learn. If you are feeling overwhelmed by the complexity of the process or the amount of material to be learned, our expert-crafted Idaho DMV CDL General Knowledge Practice Tests are exactly what you need. Our practice tests have been carefully curated to include the material you truly need for the exam, eliminating any unnecessary fluff. Furthermore, they feature an interactive CDL manual and an end-of-session review that highlights any topics that need further attention. With the same multiple-choice format and similar wording as the official exam, you’ll gain familiarity with the material before the official exam.
A major feature of our preparatory materials is the Challenge Bank™, which remembers any questions you miss and resurfaces them in your queue until you answer correctly. This repeated exposure increases overall retention and helps ensure no stone is left unturned. More than just memorization, the interactive characteristics of our practice tests help you learn as you go and ensure you are fully prepared for the official exam.
You’ll cover vehicle inspections, basic vehicle control, proper shifting, communicating with other road users, maintaining visibility, managing space, controlling speed, and recognizing hazards. Other topics include distracted and aggressive driving, fatigue, night driving, weather-related challenges, railroad crossings, mountain driving, skids, fires, crashes, and emergency procedures. The list is long, but our preparatory materials are complete. Once you’ve aced this practice test, visit another from our series: https://driving-tests.org/idaho/id-cdl-practice-test/.
Our experts have also crafted topic-specific practice tests for various endorsements you might be interested in adding to your license. Check out one from our Hazardous Materials series here: https://driving-tests.org/idaho/id-cdl-hazmat-practice-test/. Also, many CMVs are air brake-equipped. If you plan to operate one, you must pass the Air Brakes Knowledge Test and Skills Test first. Visit our practice tests for that as well: https://driving-tests.org/idaho/id-cdl-air-brake-practice-test/.
M.S. (MIT, Columbia), Chief Educational Researcher. ACES member (Society for Editing). Verifies all 50 state tests against official handbooks weekly.
Verified student reviews • Shared with permission
Driver’s Ed is - nobody wants to set foot inside the DMV. 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 ID 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 DMV.
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