Oregon HazMat CDL Practice Test
Practice for your HazMat CDL exam with questions based on the official Oregon CDL handbook
Updated: August 2026
What's on the Oregon HazMat CDL test
Answering from memory beats re-reading — retrieval practice roughly doubles what you remember a week later. These free questions are modeled on the official HazMat CDL knowledge test.
- Questions
- 30
- To pass
- 24/30 correct (80%)
- Updated
- June 2026
- 100% free
The Oregon CDL HazMat test follows the AAMVA standard used by most states: 30 questions, with 24 correct answers (80%) needed to pass. A CDL learner's permit in Oregon costs $40 (Oregon Driver and Motor Vehicle Services (DMV), division of Oregon Department of Transportation (ODOT) fee schedule, June 2026).
Start the practice testAll Oregon CDL tests
The Oregon HazMat test is one section of the Oregon CDL knowledge exam. For the full set — general knowledge questions, every endorsement section, and Oregon’s permit requirements in one place — go to the Oregon CDL permit practice test.
Other Oregon CDL Practice Tests
HazMat Practice Tests in Nearby States
More free CDL practice tests
About the HazMat Test in Oregon
The HazMat endorsement test is required in Oregon for drivers who transport hazardous materials. It covers placarding, labeling, loading procedures, emergency response, and compliance with federal hazmat regulations. A TSA background check is also required.
The HazMat test is part of the CDL written exam administered by the Oregon Department of Motor Vehicles. You must pass this test along with the other required written tests to receive your Commercial Learner's Permit (CLP) in Oregon.
Our practice questions are built from the official Oregon CDL handbook and federal FMCSA regulations. Each question includes a detailed explanation to help you understand the material, not just memorize answers.
Oregon HazMat endorsement facts
| Fact | Value | Source |
|---|---|---|
| Licensing agency | Oregon Department of Transportation (ODOT), Driver & Motor Vehicle Services (DMV) | oregon.gov |
| Original CDL fee | $160Raised from $75 by HB 2100, effective 2024-01-01effective January 1, 2024 | oregon.gov |
| CDL renewal fee | $104$132 with a motorcycle endorsement; raised from $61/$89 by HB 2100effective January 1, 2024 | oregon.gov |
| Knowledge test fee | $10Unchanged by HB 2100 | oregon.gov |
| Minimum age — interstate | 21Intrastate driving is available from 18 | oregon.gov |
| Knowledge test language | English only — translators are not permitted | oregon.gov |
| Medical certificate | A DOT medical exam from an examiner on the National Registry of Certified Medical Examiners | oregon.gov |
| ELDT before the hazmat knowledge test | Required from a provider on FMCSA’s Training Provider Registry | oregon.gov |
| TSA security check renewal cycle | Every 5 years to keep the hazmat endorsement | oregon.gov |
| Hazmat knowledge-test retesting | Required at every CDL renewal, not only periodically | oregon.gov |
| Hazmat transfer recheck window | A new TSA check is required if your last one was more than 4 years and 9 months ago | oregon.gov |
| TSA security threat assessment fee (federal) | $85.25Non-refundable; paid to TSA, not the stateeffective January 1, 2025 | tsa.gov |
| TSA reduced fee (valid TWIC holders, where the state accepts it) | $41 | tsa.gov |
| TSA clearance validity | 5 years | tsa.gov |
| When to enroll with TSA | At least 60 days before you need the endorsementTSA says some applications take more than 45 days | tsa.gov |
How to add the HazMat endorsement in Oregon
- Complete Entry-Level Driver Training with a provider on FMCSA’s Training Provider Registry before taking the hazmat knowledge test. Source
- Start a TSA security check online at the TSA website, or by calling Universal Enrollment Services at 855-347-8371 — plan for 60 days or more to complete. Source
- Pass the TSA Criminal Background Check and the hazmat knowledge test. Source
- Plan to redo the TSA security check every 5 years, and retake the HAZMAT Knowledge Test at every CDL renewal — Oregon does not carry the endorsement forward on knowledge alone. Source
Official Oregon Department of Transportation (ODOT), Driver & Motor Vehicle Services (DMV) links
As of September 2, 2026, verified against Oregon Department of Transportation (ODOT), Driver & Motor Vehicle Services (DMV).
Oregon CDL questions
- How much does an Oregon CDL cost?
- An original CDL is $160 (up from $75 before 2024-01-01), the original CLP is $40, and renewal is $104 ($132 with a motorcycle endorsement). The knowledge test is $10 and the skills test is $145, plus a $40 DMV issuance fee if you tested with a Third-Party Examiner. Source
- Do I have to retake the hazmat knowledge test every time I renew my Oregon CDL?
- Yes — Oregon requires the HAZMAT Knowledge Test at every CDL renewal, and the TSA security check separately needs to be redone every 5 years to keep the endorsement. Source
- How long does the Oregon hazmat TSA security check take?
- 60 days or more, so start it early — online at the TSA website or by calling Universal Enrollment Services at 855-347-8371. Source
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