Wisconsin HazMat CDL Practice Test
Practice for your HazMat CDL exam with questions based on the official Wisconsin CDL handbook
Updated: August 2026
What's on the Wisconsin 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 Wisconsin 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 Wisconsin costs $30 (Wisconsin Division of Motor Vehicles (DMV), Wisconsin Department of Transportation (WisDOT) fee schedule, June 2026).
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About the HazMat Test in Wisconsin
The HazMat endorsement test is required in Wisconsin 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 Wisconsin 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 Wisconsin.
Our practice questions are built from the official Wisconsin CDL handbook and federal FMCSA regulations. Each question includes a detailed explanation to help you understand the material, not just memorize answers.
Wisconsin HazMat endorsement facts
| Fact | Value | Source |
|---|---|---|
| Licensing agency | Wisconsin Department of Transportation (WisDOT), Division of Motor Vehicles (DMV) | wisconsindot.gov |
| Original CDL fee | $74Prorated against time remaining on an existing Wisconsin driver license | wisconsindot.gov |
| CDL renewal fee | $748-year term, and includes the Class D regular license | wisconsindot.gov |
| Hazardous Materials Endorsement fee | $67.25Plus $23.75 fingerprinting (payable to Fieldprint); reduced to $57.25 total if bundled with a CDL renewal | wisconsindot.gov |
| Knowledge test fee | $0Every knowledge test is free, and no appointment is necessary (per the CDL requirements page) | wisconsindot.gov |
| Passing score (every knowledge test) | 80% | wisconsindot.gov |
| Hazmat knowledge test | 30Offered only in English | wisconsindot.gov |
| Hazmat and School Bus test language | English only | wisconsindot.gov |
| ELDT before hazmat testing | Required before you’re eligible for the hazmat knowledge test | wisconsindot.gov |
| Hazmat background check | Required, with fingerprinting, for every driver renewing or transferring the H endorsement for the first time | wisconsindot.gov |
| Medical certificate | A valid Federal Medical Card, presented when obtaining a CLP and adding CDL classes/endorsements | wisconsindot.gov |
| Electronic medical-card transmission | FMCSA sends the fed med card information to WI DMV electronically within 48 hours of the DOT physicalExams performed before this date still require the card to be faxed, emailed, or mailedeffective April 13, 2025 | wisconsindot.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 Wisconsin
- Complete Entry-Level Driver Training before you’re eligible for the hazmat knowledge test. Source
- Pass the 30-question hazmat knowledge test — offered only in English. Source
- Complete a background check and fingerprinting (via Fieldprint) — required of every driver renewing or transferring the H endorsement for the first time, per the Patriot Act, using form MV3735. Source
- Pay the HME fee — $67.25 plus $23.75 for fingerprinting standalone, or a reduced $57.25 total if you add it while renewing your CDL. Source
Official Wisconsin Department of Transportation (WisDOT), Division of Motor Vehicles (DMV) links
As of September 2, 2026, verified against Wisconsin Department of Transportation (WisDOT), Division of Motor Vehicles (DMV).
Wisconsin CDL questions
- How much does a Wisconsin CDL cost?
- Knowledge tests are free. The CLP is $30. An original CDL is $74, and renewal (every 8 years, bundled with your Class D license) is also $74. The Hazmat endorsement is $67.25 plus $23.75 for fingerprinting standalone, or $57.25 total if added at CDL renewal. Source
- What does the Wisconsin hazmat endorsement process involve?
- Complete ELDT first, then pass the 30-question hazmat knowledge test (English only) and a background check with fingerprinting through Fieldprint — required for every driver renewing or transferring the H endorsement for the first time. Source
- Do I need to submit my medical card to Wisconsin DMV myself?
- Not since April 13, 2025 — FMCSA now sends your Federal Medical Card information to WI DMV electronically within 48 hours of your DOT physical. Exams from before that date still need to be faxed, emailed, or mailed in. Source
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