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Ohio CDL Class A Practice Test 2025

Perfect for first-time and renewal CDL/CLP applicants, and those adding endorsements.

Aspiring commercial drivers in Ohio must pass a 50-question general knowledge exam to get a Commercial Learner’s Permit (CLP). This test is based on the official Ohio Commercial Driver License Manual (Ohio CDL Handbook 2025), which you should read multiple times in your learning phase. A minimum score of 80% is required to pass, leaving little room for error. You must also pass a vision test, pay the licensing fees, and submit identification documents. Applicants for a Class A CDL must also pass the official combination vehicles exam.

With a CLP, you can practice driving a commercial vehicle on public roads, but only with a qualified CDL holder in the front passenger seat. FMCSA mandates Entry-Level Driver Training (ELDT) for all aspiring commercial drivers in the United States. You must wait at least 14 days and complete ELDT from a registered training provider before you can schedule and take the CDL skills tests. Most semi-trucks and heavy commercial vehicles in Ohio are equipped with air brakes. To legally operate such vehicles, you must also pass the official air brakes knowledge exam and pass a skills test in a vehicle equipped with air brakes.

Our Ohio CDL Class A Practice Test is designed to significantly boost your learning potential. This intuitive tool has 93 multiple-choice questions and several features. The voice-over function uses an artificial voice to read the questions and answer choices aloud. Activate this feature from the test settings menu to increase your focus and eliminate distractions. You get unlimited attempts to train as often as you wish.

Do not let a low score discourage you. Instead, you should learn from your mistakes as soon as they occur. A detailed explanation is provided for each question, helping you understand the reasoning behind the correct answer. Please note this feedback in a notebook or notebook app and revisit the material during future practice sessions.

You cannot learn commercial driving theory overnight. It takes time and effort to become a skilled driver, so you should avoid rushing through your learning phase. We’ll help you get a Class A CDL, but you must dedicate plenty of time to mastering this subject. Our practice tests can help you study efficiently. With nonstop access, you can use them anytime.

Real exam-style pitfalls you’ll practice:
Common Traps
Distractors
Trick Wording
Double Negatives
Ohio CDL Class A Practice Test 2025
Commercial Driver's License
Based on official OH exam questions
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

10 min to complete
Available in EN and ES

What to expect on the actual OH permit test

50

questions

40

correct answers to pass

80%

passing score

Real Ohio drivers who passed first try

Verified student reviews • Shared with permission

Am currently working in fla.
I am currently working in fla. and with my new job I needed my hazmat and tanker endorsement so when I went home to visit I only had a week to get everything done including my tanker and hasmat. I got my tanker endorsement with no problem. that left me with the hazmat certification testing and background chk to do with only a few days left. thankfully I found this and did my certification and kept studying did the course and back ground chk and I went straight to the bmv feeling good I went in took the test I was done in less than 10 mins 100% I couldn't believe it every question was in program. finished my visit with my family with 3 days left and no stress. thank you I couldn't have passed it with out this program
MKR
Downloaded the program, I did the learning modules, and then.
I downloaded the program, I did the learning modules, and then did all the tests and everything, and I finished up today. As soon as they said that I was able to go to the DMV, I left my house, went and took my test, and passed it on the first try! All the questions that were on the program, the practice tests, all that stuff, they were all on there. It was only like maybe two questions that weren't on there, but I just skipped those and went ahead and kept answering all the questions that I knew, and I passed with a perfect explorer. First try. This program is awesome.
T
Made the tests easy!
All of the different practice test and simulators made passing my hazmat and tanker endorsement easy. Was a great program that I highly recommend.
S
Very good and informative course.
Very good and informative course! The website is easy to use and navigate. It shows you what is the next step you should do. The tests are very close to the real exam questions. The website also has an AI bot which is very helpful during study process. Highly recommend!
A
Driving-tests.org offers everything you need to prepare: the.
Driving-tests.org offers everything you need to prepare: the official manual, practice tests with helpful hints, cheat sheets, a bank to review your wrong answers, a test simulator, and even a marathon mode. All of these features make studying easier, more effective, and build real test confsheet, I nailed the General Knowledge, Air Brakes, Combination, Doubles & Triples and Tanker tests back to back on June 2024. Now I am going for Haz-Mat.
F
1 weekend, 3 endorsements, all aced.
Studied over the weekend to pass 3 cdl endorsements on Monday. The practice tests made the actual exam questions plenty familiar. The change in wording of the final exam Simulations from the practice ones helped me retain the information in different forms so that the real deal wouldn't fool me out of questions that I knew the answers to. All in all, I didn't het a perfect score but not a bad one either; passed them all at once.
H
Hazmat endorsement.
Brought the hazmat eldt and it was really helpful. Things I knew but it was also a lot of things I didn’t know. I’m prepared to take my knowledge test. Definitely will use again for future cdl class A endorsements. 5 stars
R

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