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Idaho CDL Class B Practice Test 2025

Average pass rate for CDL tests in Idaho: 69%.
Average pass rate for this test: 79%.
Easy
9 min

In Idaho, the DMV oversees the licensing process. Applicants for a Class B Commercial Driver’s License (CDL) must meet the eligibility requirements, score 80% or higher on the official general knowledge exam, complete Entry-Level Driver Training (ELDT), and pass the CDL skills tests. As you begin your learning phase, you should read the official Idaho Commercial Driver’s License Manual (Idaho CDL Handbook 2025). This resource is published by the Division of Motor Vehicles (DMV) and should not be missing from your toolkit. It teaches you the various aspects of commercial driving theory so you can prepare for your dream career.

Idaho CDL Class B Practice Test 2025
ID commercial driver's license
Based on the official ID CDL HandbookHandbook‑based (2025) + exam‑taker feedback
2 ID students practicing now
• 16 completed today
Steven Litvintchouk, M.S., Chief Educational Researcher at Driving-Tests.org

Authored and fact-checked by Steven Litvintchouk, M.S.

Chief Educational Researcher, Driving‑Tests.org (ACES member)

Last verified for accuracy on

Methodology & Editorial Policy

Real Idaho drivers who passed first try

Verified student reviews • Shared with permission

I took air breaks,tanker,coupling and cdl test and passed them all.
i took air breaks ,tanker ,coupling and cdl test and passed them all . then i took my driving test passed it as well.
D
I passed my hazmat,missed 1 first try.
I passed my hazmat,missed 1 first try. but tanker I took needs to do again there were question on test that I did not know. all and all awesome program to use for any DMVtesting. ty
RR
Couldn't be happier!
I was a little sceptical when I first learned of this website while searching for some information regarding CDL testing on Google. I downloaded a current PDF drivers manual from the DMV website, and read the information I needed in its entirery. I felt fairly confident by this point already, but after going through all the practice tests and flash cards on the site I could answer the questions without even thinking. I was sure once I got to the DMV to take the actual tests that the questions were going to be flipped around and worded completely different but to my surprise and relief they weren't! I passed the three tests that I had studied for with the help of driving-tests.org flawlessly. I honestly couldn't be happier with my results. Incase you haven't realized by this point, I would definitely recommend this website for your CDL test taking needs. C.
C
I came into CDL/CLP realm with NO prior….
I came into CDL/CLP realm with NO prior experience of the material. Tried it twice, back to back, failed both times. I got this, spent a whole day doing the practice tests, marathons, ect. Took my tested today, passed with a 95%. 10/10 would recommend to anyone! Well if you really invest your time into the material! Thank you for this!
AA

About the Idaho CDL

Our Idaho CDL Class B Practice Test is available online, 24/7. This intuitive tool enables active learning, making it easier for you to prepare for the official general knowledge test. All 50 questions have multiple answer choices. However, only one answer is correct for each question, so please consider all options before you select an answer. Finish each practice session at your own pace without being pressured by a timer. If you make a mistake, we will immediately point it out so you won’t have to wait until the test ends to know what went wrong. A detailed explanation of the correct answer will explain why your choice was incorrect. For future reference, we recommend noting this feedback in a notebook or notebook app.

Students with auditory memory greatly benefit from using the voice-over function. Once activated, an artificial voice will read the questions and answer choices aloud. You can find this feature in the test settings menu, which can be opened by clicking the three dots in the top-right corner of the page. This menu also includes a slider for adjusting the font size, more features, and an option to switch between languages.

Start today and train with our Idaho CDL Class B Practice Test for several weeks. Do not expect overnight results, as your knowledge can only be improved gradually. Commercial driving theory might be a complex subject for some, but with the right tools, you can build a solid understanding of the material and feel confident on exam day.

We know what it takes to pass. And we’ve got the proof.

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A smarter way to study

Challenge Bank™

Our trademarked system automatically saves questions you miss, creating personalized tests that target your weak spots until you’ve mastered the material.

AI-powered feedback

Get smarter as you study. Our new AI-powered feedback provides detailed, question-level insights to help you understand the why behind each answer.

Interactive handbook

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.