Loading…
Ohio · OH
Ohio CDL
Knowledge Test
Everything you need to pass the Ohio CDL knowledge test. The same FMCSA-standardized questions used across all 50 states.
Total CDL fee
$50
CLP wait
14 days
Min age
18+
To pass
80%
CDL Test Sections
The CDL knowledge test is administered by section. Passing score for all sections is 80%.
✓
General KnowledgeREQUIRED
50 questions · Pass with 40+
A
Air Brakes
25 questions · Pass with 20+
C
Combination Vehicles
20 questions · Pass with 16+
H
Hazardous Materials (HazMat)
30 questions · Pass with 24+
D
Doubles & Triples
20 questions · Pass with 16+
T
Tanker Vehicles
20 questions · Pass with 16+
P
Passenger Transport
20 questions · Pass with 16+
S
School Bus
20 questions · Pass with 16+
What to Know About CDL in Ohio
Ohio CDL fees: approximately $50 total (CLP $25 + CDL $25)
Ohio is a major industrial and manufacturing state — auto parts, steel, and consumer goods move by CDL truck
Columbus is a top 5 US distribution hub — Amazon, Limited Brands, and Abercrombie operate large DCs
Ohio's central location (6 major interstate highways intersect) creates strong Class A CDL demand
CDL holders must hold CLP for at least 14 days before taking the CDL skills test
Ohio BMV Deputy Registrar locations provide computerized CDL knowledge testing
Legal notice
This information is provided for educational purposes only. Requirements can change. Always verify with Ohio Bureau of Motor Vehicles (BMV) for the most current information.
How to Get Your CDL in Ohio
The steps to earn a commercial driver's license in Ohio, from your DOT medical card to your CDL.
- 1
Get your DOT medical card
Visit a certified medical examiner, pass the DOT physical, and keep the certificate on file with Ohio Bureau of Motor Vehicles (BMV).
- 2
Study and pass the knowledge test
Cover General Knowledge plus any endorsements you need (Air Brakes, Combination, HazMat). Practice every section on Koydo until you're scoring 80%+.
- 3
Get your CLP
Pass the Ohio knowledge test at a Ohio BMV Deputy Registrar and pay the ~$25 permit fee to receive your commercial learner's permit.
- 4
Hold your CLP for 14 days
Federal rules require a minimum 14-day wait while you practice driving with a licensed CDL holder.
- 5
Pass the skills test
Schedule the pre-trip inspection, basic control, and road test with Ohio Bureau of Motor Vehicles (BMV) (or an approved third-party tester).
- 6
Get your Ohio CDL
Pay the ~$25 CDL fee and you're licensed to drive commercially.
Ohio CDL — Frequently Asked Questions
How much does a CDL cost in Ohio?
Ohio CDL fees come to about $50 total — roughly $25 for the commercial learner's permit (CLP) and $25 for the CDL itself, paid at Ohio Bureau of Motor Vehicles (BMV). Testing and endorsement fees can add to this, so always confirm current amounts with Ohio Bureau of Motor Vehicles (BMV).
What score do I need to pass the Ohio CDL knowledge test?
You need 80% on each CDL knowledge section. Ohio uses the same FMCSA-standardized question pool as every other state, so General Knowledge, Air Brakes, Combination Vehicles, and the endorsement tests are federally consistent.
How old do I have to be to get a CDL in Ohio?
Ohio issues a CDL at 18 for driving within the state (intrastate) and 21 for driving across state lines (interstate) or hauling hazardous materials.
How long must I hold a CLP before the Ohio skills test?
At least 14 days. You pass the knowledge test first to earn your CLP, hold it for 14 days while practicing with a licensed CDL holder, then take the behind-the-wheel skills test.
Where do I take the CDL written test in Ohio?
At a Ohio BMV Deputy Registrar. The knowledge test is computerized. Practice every section on Koydo before you go so you walk in ready.
Is the Koydo CDL practice test accurate for Ohio?
Yes. Koydo's questions follow the FMCSA CDL standard that Ohio tests on, plus state-rule practice — with no ads, and your first 15 questions a day are free.
Ready to get your CDL in Ohio?
Start with 15 free questions. Premium adds state rules, parked-study audio, mock exam, and progress tracking.
Choose Premium →
Monthly, 6-month, and annual plans; Premium access starts after payment
Other states
AL CDL →AK CDL →AZ CDL →AR CDL →CA CDL →CO CDL →CT CDL →DE CDL →DC CDL →FL CDL →GA CDL →HI CDL →ID CDL →IL CDL →IN CDL →IA CDL →KS CDL →KY CDL →LA CDL →ME CDL →MD CDL →MA CDL →MI CDL →MN CDL →MS CDL →MO CDL →MT CDL →NE CDL →NV CDL →NH CDL →NJ CDL →NM CDL →NY CDL →NC CDL →ND CDL →OK CDL →OR CDL →PA CDL →RI CDL →SC CDL →SD CDL →TN CDL →TX CDL →UT CDL →VT CDL →VA CDL →WA CDL →WV CDL →WI CDL →WY CDL →