Free 2026 OH DMV Practice Tests
Based on the official Ohio Driver's Handbook. Get ready for your OH BMV written exam with our comprehensive practice tests.
OH CDL General Knowledge
arrow_forward_iosOH CDL Air Brakes
arrow_forward_iosOH CDL Combination Vehicles
arrow_forward_iosOH CDL Hazmat (H)
arrow_forward_iosOH CDL Tanker (N)
arrow_forward_iosOH CDL Doubles & Triples (T)
arrow_forward_iosOH CDL Passenger (P)
arrow_forward_iosOH CDL School Bus (S)
arrow_forward_iosPractice by Topic
Commercial Driver's License (CDL)
What to Expect on the Ohio CDL Test
40 multiple-choice questions, must answer 75% correctly (30 of 40).
No time limit
No — walk-in at deputy registrar/driver exam stations, or online (adults 21+).
In-person: unlimited (once per day); Online: 2 attempts per 6 months.
1-day wait between attempts.
English, Spanish, Arabic, Chinese, French, Haitian Creole, Japanese, Russian, Somali, American Sign Language
Documents to Bring to Your Ohio Test
Proof of full legal name, date of birth, Social Security number (if assigned), Ohio residency, and citizenship/legal presence.
Ohio Rules You'll See on the Test
Rules unique to Ohio that appear on the OH BMV knowledge test more than others.
- gavel Hands-free law (2023): holding a phone while driving is a primary offense
- gavel Move Over law applies to all roadways for any vehicle with flashing lights
- gavel TIPIC holders under 18 need 24 hrs classroom + 8 hrs BTW driver ed and 50 hrs supervised (10 at night)
- gavel Under-18 applicants must hold TIPIC at least 6 months before road test
- gavel Probationary license: no driving midnight-6am for drivers under 17
Ohio DMV Test FAQ
How many questions are on the Ohio CDL permit test?
The OH BMV CDL knowledge test has 40 multiple-choice questions drawn from the official state handbook — covering road signs, traffic laws, right-of-way, and safe-driving procedures.
How long is my Ohio license valid after I pass?
Standard Ohio licenses are valid for 4 years once issued. See /learn/how-to-renew-license/oh for the full renewal timing and REAL ID upgrade path.
Can I retake the Ohio knowledge test if I fail?
Yes. In-person: unlimited (once per day); Online: 2 attempts per 6 months. You must wait 1 day between attempts.
If I'm under 18, does a parent need to be with me for the Ohio test?
A parent or guardian doesn't sit through the test with you, but under-18 applicants normally need a parent's signature on the application before OH BMV will schedule or administer the exam. Bring the signed form.
How early should I arrive for my Ohio test appointment?
Arrive 15-20 minutes before your slot. OH BMV offices often move faster than the appointment time suggests, and late arrivals may forfeit the slot entirely.
Do I need a REAL ID version of my Ohio license?
Customers may choose a federally Compliant (REAL ID) Card or a Standard Card; each requires different identity documents, and a first-time REAL ID must be obtained in person at a deputy registrar.
Should I go with my first instinct on the Ohio test?
Usually yes. Research on multiple-choice exams shows changing an answer helps only when you realize you misread the question — not when you simply feel uncertain. Read carefully once, commit, move on.
What's a passing score on the Ohio DMV knowledge test?
You need 30 out of 40 correct — 75% — to pass. The result is displayed immediately after you submit.
If I'm nervous, is it better to reschedule my Ohio appointment?
If you consistently score at or above passing (80-85%+) on our practice tests, don't reschedule — test-day nerves usually drop 5-10 points and you'll still pass. If your practice scores are still below passing, more prep + a later date is worth it.
What's a Ohio-specific rule that shows up on the test?
One example: Hands-free law (2023): holding a phone while driving is a primary offense Rules like this are drawn straight from the state handbook and are the ones out-of-state applicants most often miss.