Ohio CDL Practice Test

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🚛 Ohio CDL Permit Practice Test Guide

Pass Your Ohio CDL Written Test the First Time

DMV-Written-Test provides Ohio commercial driver applicants with practice exams based on the 2025 Ohio Commercial Driver License (CDL) Manual. These tests reflect the format and questions found on the actual exam administered by the Ohio Bureau of Motor Vehicles (BMV).

Whether you’re applying for a Class A, B, or C CDL, our practice tests include General Knowledge, Air Brakes, Combination Vehicles, and Ohio-specific trucking laws.

For official manuals, test scheduling, and licensing requirements, visit the Ohio BMV CDL page:
https://www.bmv.ohio.gov/cdl.aspx

Start your journey today and pass your Ohio CDL permit test on the first try!

📘 What to Expect on the Ohio CDL Knowledge Test

Aspect Details
Number of Questions 50 (General Knowledge)
Passing Score 80% (40 correct answers required)
Test Format Multiple Choice
Time Limit 60 minutes (approximate)
Minimum Age 18 (21 for interstate and HazMat)
Test Languages English, Spanish (HazMat only in English)
Endorsement Areas HazMat, Tankers, Passenger, School Bus, Air Brakes
Retake Policy Retake allowed next business day (fee may apply)

❓ Frequently Asked Questions

How do I qualify for a CDL permit in Ohio?
You must be at least 18 years old, hold a valid Ohio driver’s license, pass a vision screening, and take the General Knowledge test.
Is Entry-Level Driver Training (ELDT) required in Ohio?
Yes. ELDT is required for all first-time CDL applicants and those seeking certain endorsements such as HazMat or School Bus.
How long is a CDL permit valid in Ohio?
The Commercial Learner’s Permit (CLP) is valid for 6 months and can be renewed once within a 2-year period.
Can I take the CDL knowledge test in Spanish?
Yes. The General Knowledge test is available in Spanish. However, the HazMat exam must be taken in English only.
What if I fail the CDL knowledge test?
You can retake the test the next business day. A retesting fee will apply.
Do I need a regular license before applying for a CDL?
Yes. You must have a valid Ohio Class D (operator’s) license before applying for a CDL.
Are endorsement exams separate from the general test?
Yes. Each CDL endorsement, such as Passenger, School Bus, or HazMat, requires a separate knowledge test.
Can I transfer a CDL to Ohio from another state?
Yes. You must apply for a transfer within 30 days of establishing Ohio residency and meet all required documentation.
What documents are required for a CDL application in Ohio?
You’ll need proof of identity, Social Security number, U.S. citizenship or lawful presence, and Ohio residency.
Is TSA clearance required for HazMat endorsements?
Yes. A TSA background check is required to obtain or renew a HazMat endorsement.