Hawaii HazMat CDL Practice Test
Practice for your HazMat CDL exam with questions based on the official Hawaii CDL handbook
Updated: August 2026
What's on the Hawaii 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 Hawaii 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 Hawaii costs $30 (Hawaii Department of Transportation (HIDOT) — licensing administered by county offices (Honolulu: Dept. of Customer Services; Hawaii County: Vehicle Registration & Licensing; Maui/Kauai: Dept. of Finance) fee schedule, June 2026).
Start the practice testOther Hawaii CDL Practice Tests
HazMat Practice Tests in Nearby States
More free CDL practice tests
About the HazMat Test in Hawaii
The HazMat endorsement test is required in Hawaii 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 Hawaii 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 Hawaii.
Our practice questions are built from the official Hawaii CDL handbook and federal FMCSA regulations. Each question includes a detailed explanation to help you understand the material, not just memorize answers.
Hawaii HazMat endorsement facts
| Fact | Value | Source |
|---|---|---|
| Each special (endorsement) knowledge test | $5Matches Maui County’s "Other Endorsement Test" fee exactly; Honolulu’s fee table does not carve Hazmat out of this line the way some states do | honolulu.gov |
| CDL issuance fee, full 8-year term (ages 25–71) | $40Maui County’s own fee schedule — 8 × Honolulu’s $5/year figure, another exact cross-county match | mauicounty.gov |
| Entry-Level Driver Training (ELDT) | Required for new Class A/B applicants and certain endorsementseffective February 7, 2022 | honolulu.gov |
| Vision standard | 20/40 in both eyes | honolulu.gov |
| Medical certificate | Current DOT Certificate (Form MCSA-5876) | honolulu.gov |
| Renewal method | In person onlyMail renewal is not offered | honolulu.gov |
| Licensing agency | Honolulu Dept. of Customer Services, Commercial Driver Licensing OfficeHawaii, Maui and Kauai counties run their own separate CDL offices; core CDL testing fees match Honolulu’s exactly on the one county (Maui) whose schedule could be fetched | honolulu.gov |
| Hazmat endorsement validity | Up to 5 years from TSA approval date | honolulu.gov |
| Hazmat endorsement renewal | Must pass the hazmat knowledge test again at every renewal | honolulu.gov |
| Hazmat endorsement testing | Must pass the hazardous-materials written test | honolulu.gov |
| Hazmat TSA background check | Required, via universalenroll.dhs.gov | honolulu.gov |
| Class C definition | Single vehicles requiring a passenger or hazmat endorsement | honolulu.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 Hawaii
- Apply through TSA’s Universal Enroll program (universalenroll.dhs.gov) for the required background check — Honolulu’s CDL office lists the TSA Help Desk at 1-855-347-8371 for questions. Source
- Pass the hazardous-materials written knowledge test at your county CDL office. Source
- Once approved, the endorsement is valid for up to five years from the date TSA approved you — track that date, not your CDL’s own expiry, for hazmat renewal timing. Source
- At every renewal you must pass the hazmat knowledge test again — unlike a plain CDL renewal, the hazmat endorsement is never simply carried forward. Source
Official Honolulu Dept. of Customer Services, Commercial Driver Licensing Office (Hawaii, Maui and Kauai counties each administer their own CDL office) links
As of September 2, 2026, verified against Honolulu Dept. of Customer Services, Commercial Driver Licensing Office (Hawaii, Maui and Kauai counties each administer their own CDL office).
Hawaii CDL questions
- What does Hawaii require for a Hazmat (HME) endorsement?
- Apply through TSA’s Universal Enroll program for the federally required background check, then pass the hazardous-materials written test at your county CDL office. Once issued, the endorsement is valid for up to five years from your TSA approval date, and — unlike other endorsements — you must pass the hazmat knowledge test again every time you renew it. Source
- What happens if I fail a Hawaii CDL test?
- For the knowledge and skills tests, Honolulu requires a minimum one-week wait before you can retest. Once you have a CDL, keep it current — Hawaii gives a 90-day grace period after expiration before a $5 monthly late fee kicks in, and if it stays expired a full year you have to retest from scratch. An out-of-state CDL gets no grace period at all. Source
- How do I add a Hazmat endorsement in Hawaii, and how is it different to renew?
- Enroll with TSA at universalenroll.dhs.gov for the required background check, then pass the hazardous-materials written test at your county CDL office — the same medical certificate and 20/40 vision standard as any other CDL applicant still apply. The endorsement itself is valid up to five years from your TSA approval date. Renewal is the one thing that is NOT automatic: you must pass the hazmat knowledge test again every time, in person, unlike the rest of your CDL. Source
Save your misses — the app re-asks them at the right time
Web progress isn't saved when you finish. With a subscription, the app keeps every missed question and brings it back with spaced review — and unlocks all 2,500+ questions. Free to start.
4.96,500+ ratingsacross app stores