Ohio HazMat Test — Quick Facts
FormatWritten test + TSA background check
Questions30 questions
Passing score80% (24/30)
Min. age (intrastate / interstate)18 / 21
CLP hold before skills test14 days min
Government feeSee Ohio DMV →
Start the Free Ohio HazMat Test →
30 questions · one per page · your progress saves automatically
Ohio HazMat Practice Tests
4 full practice tests, each with 30 questions drawn from the Ohio CDL question bank. Your score and progress save as you go.
About the Ohio HazMat Test
The HazMat (H) endorsement lets you haul placarded hazardous materials in Ohio. It's a written test only, but it also requires a TSA Threat Assessment with fingerprinting and a federal background check that can take weeks — plan for that.
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From Pedro, behind the wheelI carry the HazMat endorsement, and the test is the easy part — budget weeks for the TSA appointment. On the exam, the placard tables and shipping-paper rules are where it's won or lost.
What Test-Takers Miss Most
- 1The placarding tables (Table 1 vs Table 2)
- 2Shipping paper and emergency-info requirements
- 3Loading and segregation of hazard classes
Ohio CDL Requirements & Fees
Ohio follows the federal CDL framework: a minimum age of 18 for intrastate driving and 21 for interstate, a commercial learner's permit you must hold at least 14 days before the skills test, and the 80% passing standard. License fees and retake rules are set by Ohio and change from time to time, so check the official source below for current amounts before you go in.
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Official Ohio CDL Handbook & FeesCurrent requirements, fees, and the manual this test is based on
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Frequently Asked Questions
How many questions are on the Ohio CDL HazMat test?
The HazMat test has 30 questions, and you need 24 correct to pass at the 80% threshold used across the U.S. under FMCSA standards. Exact counts can vary slightly by state, so confirm with the Ohio CDL handbook.
What score do I need to pass in Ohio?
You need 80% — that's 24 of 30 questions correct on the HazMat test.
How much does a Ohio CDL cost?
CDL fees are set by Ohio's licensing agency and change periodically, so we don't quote a figure that could go stale. Check current amounts on the official Ohio CDL page.
Is this Ohio practice test free and accurate?
Yes — it's completely free, based on the Ohio CDL handbook, and written and verified by Pedro Marin, an active CDL holder. No registration required.
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