Start with a Ohio-specific mixed test, then practice every major CDL knowledge area required for the vehicle, class, and endorsements you plan to operate.
Ohio BMV administers CDL licensing under federal commercial-driver standards and Ohio law. This hub combines Ohio permit, class, endorsement, restriction, and testing rules with the core handbook topics needed for CDL preparation.
01Ohio CLP rules
02General Knowledge
03Air Brakes
04Combination Vehicles
05HazMat and Tank
06Doubles and Passenger
07School Bus
08Vehicle Inspection
PRACTICE MODE
Ohio CDL Test
Question order and answer order shuffle on each attempt. Choose one answer, read the explanation, then use Back or Next to continue.
Question 1 of 25Score 0
What is the minimum age for an Ohio commercial learner permit (CLP)?
Answer: 18 years old
Ohio law permits a commercial learner permit to be issued to a person who is at least 18 and already holds a valid, non-restricted driver license. Study: Ohio Revised Code 4506.06
How long can an Ohio commercial learner permit remain valid?
Answer: Up to 12 months
Ohio law says a commercial learner permit may not be issued for a period exceeding 12 months. Study: Ohio Revised Code 4506.06 / Ohio BMV — Commercial Driver CDL
Before an Ohio CLP holder drives a commercial vehicle on a highway, who must accompany the permit holder?
Answer: A properly licensed CDL holder qualified for that vehicle
An Ohio CLP holder may operate a CMV only while accompanied by a properly qualified CDL holder or authorized examiner as required by law. Study: Ohio Revised Code 4506.06
How long must an Ohio CDL permit holder wait after initial permit issuance before taking the CDL skills test?
Answer: At least 14 days
Ohio law requires at least 14 days to elapse after the initial CDL temporary instruction permit is issued before the applicant is eligible for the skills test. Study: Ohio Revised Code 4506.09
What restriction normally applies to an Ohio commercial driver who is under age 21?
Answer: K — intrastate only
Ohio BMV states that drivers under 21 are restricted to intrastate commercial driving in Ohio. Restriction K means intrastate only. Study: Ohio BMV — Commercial Driver CDL
What must a first-time Ohio Class A or Class B applicant complete before attempting the required CDL skills test?
Answer: Applicable Entry-Level Driver Training (ELDT)
Ohio BMV requires electronic proof of applicable ELDT, or a valid exemption, before scheduling or attempting the required skills test. Study: Ohio BMV — Commercial Driver CDL / Ohio Revised Code 4506.09
Which three parts make up Ohio’s CDL skills test?
Answer: Vehicle inspection, basic maneuverability, and road test
Ohio BMV lists the CDL skills test as vehicle inspection, basic maneuverability, and road test. Study: Ohio BMV — CDL Testing
What is the Ohio time limit for the vehicle inspection portion of the CDL skills test?
Answer: 30 minutes
Ohio BMV lists a 30-minute time limit for the pre-trip or vehicle inspection portion of the CDL skills test. Study: Ohio BMV — CDL Testing
What is the Ohio time limit for the basic maneuverability portion of the CDL skills test?
Answer: 40 minutes
Ohio BMV lists a 40-minute time limit for the basic maneuverability test. Study: Ohio BMV — CDL Testing
If an Ohio CDL applicant fails any part of the skills test, how long must the applicant wait before retesting?
Answer: Two days
Ohio BMV states that an applicant who fails any part of the skills test must wait two days before retesting. Study: Ohio BMV — CDL Testing
When does Ohio require a CDL knowledge test?
Answer: For each CDL class, each endorsement, and to remove an air-brake restriction
Ohio BMV requires the applicable knowledge test for each class and endorsement and for removal of an air-brake restriction. Study: Ohio BMV — CDL Testing
Which vehicle combination meets Ohio Class A CDL criteria?
Answer: A combination with a GCWR of 26,001 pounds or more when the towed vehicle is over 10,000 pounds
Class A covers qualifying heavy combinations at or above 26,001 pounds with a towed unit over 10,000 pounds. Study: Ohio BMV — CDL Classes
Which vehicle fits Ohio Class B CDL criteria?
Answer: A single vehicle with a GVWR of 26,001 pounds or more, towing no more than 10,000 pounds
Ohio Class B covers a heavy single vehicle at 26,001 pounds or more and may tow a vehicle not exceeding 10,000 pounds. Study: Ohio BMV — CDL Classes
When can an Ohio Class C CDL be required below Class A or B weight thresholds?
Answer: For certain passenger, school-bus, or placarded HazMat vehicles
Ohio BMV identifies Class C situations including vehicles designed for 16 or more passengers, placarded hazardous materials, and school buses not meeting Class A or B. Study: Ohio BMV — CDL Classes
An Ohio driver will haul placarded hazardous material. Which CDL endorsement is required?
Answer: H
Ohio BMV identifies H as the endorsement for transporting hazardous materials in quantities requiring placarding. Study: Ohio BMV — CDL Endorsements
A Class A driver plans to pull double or triple trailers in Ohio. Which endorsement applies?
Answer: T
Ohio BMV uses the T endorsement for double and triple trailers. Study: Ohio BMV — CDL Endorsements
An Ohio commercial vehicle is designed to carry 16 people including the driver. Which endorsement addresses passenger operation?
Answer: P
Ohio BMV uses the P endorsement for vehicles designed to transport 16 or more passengers including the driver. Study: Ohio BMV — CDL Endorsements
Which Ohio endorsement identifies qualification to operate a tank vehicle?
Answer: N
Ohio BMV identifies N as the tanker endorsement. Study: Ohio BMV — CDL Endorsements
A driver will operate an Ohio school bus transporting children. Which endorsement specifically covers school-bus operation?
Answer: S
Ohio BMV identifies S as the school-bus endorsement. Study: Ohio BMV — CDL Endorsements
Which Ohio endorsement combines tank-vehicle and placarded hazardous-materials authority?
Answer: X
Ohio BMV defines X as the combined tanker and hazardous-materials endorsement. Study: Ohio BMV — CDL Endorsements
Which endorsements may appear on an Ohio commercial learner permit?
Answer: N, P, and S
Ohio BMV lists N, P, and S as the endorsements available on an Ohio CLP. Study: Ohio BMV — CDL Endorsements
An Ohio CDL applicant completes the skills test only in an automatic-transmission CMV. Which restriction can result?
Answer: E — no manual-transmission equipped CMV
Ohio BMV restriction E prevents operation of manual-transmission equipped commercial motor vehicles. Study: Ohio BMV — CDL Restrictions
An Ohio CDL shows restriction L. What equipment is the driver not qualified to operate?
Answer: Commercial motor vehicles equipped with air brakes
Ohio BMV restriction L means the driver is not qualified to operate air-brake-equipped CMVs. Study: Ohio BMV — CDL Restrictions
Which Ohio restriction code means “no tractor-trailer commercial motor vehicle”?
Answer: O
Ohio BMV defines restriction O as no tractor-trailer CMV. Study: Ohio BMV — CDL Restrictions
Ohio restriction W is associated with what type of limited commercial operation?
Answer: A farm-related service-industry waiver
Ohio BMV identifies W as the farm-waiver restriction for qualifying farm-related service-industry operation. Study: Ohio BMV — CDL Restrictions
Use practice to find the handbook sections you still need.
01
Answer without guessing from memory
Use the first attempt to expose weak knowledge instead of memorizing answer positions.
02
Read every explanation
When a rule is Ohio-specific, confirm it in the current Ohio BMV material linked below.
03
Retake after review
Aim for consistent mastery across both the Ohio mixed test and every focused test your CDL goal requires.
COMMON QUESTIONS
Ohio CDL practice test FAQ
Is this Ohio Ohio CDL practice test free?
Yes. The 25-question practice test, instant feedback, scoring, and answer explanations are available without registration.
Are these official Ohio BMV exam questions?
No. They are original study questions based on current Ohio commercial-driver material. Ohio BMV controls the actual knowledge and skills examinations.
Should I still read the Ohio Commercial Driver’s Manual?
Yes. Use the current Ohio Commercial Driver’s Manual and Ohio BMV instructions as the final authority, especially for licensing steps, restrictions, medical rules, and state-specific procedures.
What score should I aim for while practicing?
Aim for at least 90 percent during practice so you have a safety margin. Review every missed explanation and use Ohio BMV’s current manual and testing instructions as the final authority.
FACT-CHECKED STUDY BASIS
Ohio BMV and federal sources
These are original study questions, not copied licensing-exam questions. Ohio BMV guidance and the current Ohio Commercial Driver’s Manual control state procedures; federal standards apply where incorporated.
Important: CDL Test Practice is an independent study website and is not affiliated with Ohio BMV or FMCSA. Rules and procedures can change; verify current official instructions before applying or testing.