1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
All tests
/
 
 
 
 
 
Advertisement

Free Hawaii CDL HazMat Endorsement Practice Test 2025

Avg. pass rate on our HI tests: 64%.
Average pass rate for this test: 68%.
Moderate
7 min
Score distribution:
90-100=>17%
80-89=>29%
70-79=>25%
60-69=>15%
<60%=>14%
Avg. first-try score: 80%

Transporting cargo through Hawaii’s unique terrain, you’ll experience mountainous and volcanic areas as well as narrow, winding coastal roads on islands like Maui and Kauai. With urban areas like Honolulu and the less-populated islands like Molokai or Lanai, where roads are often under-developed,Hawaii is a diverse and breathtaking state. Adding the Hazardous Materials (Hazmat) endorsement to your Commercial Driver’s License (CDL) is an amazing way to increase your job opportunities and may result in higher pay!

The Hazmat endorsement enables drivers to transport materials classified hazardous by the U.S. government. In the Aloha State, hazardous materials transported include petroleum products (gasoline, diesel fuel, and jet fuel), hazardous waste and chemicals used in agriculture (fertilizers and pesticides), compressed gasses (propane and butane), industrial chemicals (chlorine, ammonia, and sulfuric acid), and construction materials (asbestos, hazardous paints, and coatings). Some prominent organizations in Hawaii, such as Hawaiian Electric, Aloha Petroleum, Hawaiian Airlines, and Matson Navigation Company (all in Honolulu), as well as Oahu Sugar Company (in Waipahu) rely on drivers with this endorsement.

Free Hawaii CDL HazMat Endorsement Practice Test 2025
Commercial Driver's License
Written in-house by our team Based on HI CDL Handbook

Reviewed for legal and handbook accuracy

Steven Litvintchouk

M.S., Chief Educational Researcher (ACES member)

Last verified for accuracy on

Test design and learning experience oversight

Andrei Zakhareuski

Co-founder & CEO, Driving-Tests.org

Questions are created and maintained by the Driving-Tests.org content team following our multi-layer editorial process and updated whenever the Hawaii DMV changes its handbook or website information. Official sources we check: 

Real Hawaii drivers who passed first try

Verified student reviews • Shared with permission

Website is very user friendly.
Watched the video, took the practice tests and aced my Hazmat test first try.
JDC
Very good study curriculum for Hazmat.
Great study material for hazmat endorsement. Rolled through the course in a couple evenings and scored 100% on the knowledge test at the local DMV today. Thanks!
JO

About the Hawaii CDL

Obtaining the Hazmat endorsement is a process taken very seriously, and several steps are in place to ensure that drivers are properly trained to handle these materials safely. The process starts with a mandatory fingerprinting and background check conducted by the Transportation Security Administration (TSA). Results from TSA can take weeks, so you’ll want to study and practice in the meantime for the second step: the DMV knowledge test. This test covers federal regulations, substance handling, packaging, quantity limits, and transport configurations for hazardous materials. With a score of 80% on Hawaii’s 30-question knowledge test, drivers can move closer to unlocking new opportunities (Hawaii CDL Handbook 2025).

Don’t worry if this process seems overwhelming. Our online Hawaii DMV Hazmat Endorsement practice tests are designed to avoid any unnecessary information and focus on what matters. We have streamlined the content to resemble what you will face on the official DMV test. We also provide immediate feedback on each response so you learn efficiently without waiting until the end for corrections. Ready to kick off the process? Once you receive your TSA results and feel prepared from all the practice, you’ll visit the DMV with the necessary documents, pay the fees, pass the test, and start the next level of your career.

More HI CDL test resources

  1. HazMat Test 1 (you are here)
  2. HazMat Test 2
  3. HazMat Test 3

We know what it takes to pass. And we’ve got the proof.

Driver’s Ed is - nobody wants to set foot inside the DMV. That’s why millions of learners trust us for simple, visual, effective prep.

An official & trusted partner in driver education

We are an officially recognized FMCSA Entry-Level Driver Training provider and a proud partner to over 2,500 libraries. We work with safety organizations like GHSA and the National Safety Council to help create safer roads for everyone.

A smarter way to study

Challenge Bank™

Our trademarked system automatically saves questions you miss, creating personalized tests that target your weak spots until you’ve mastered the material.

AI-powered feedback

Get smarter as you study. Our new AI-powered feedback provides detailed, question-level insights to help you understand the why behind each answer.

Interactive handbook

Go beyond the boring black-and-white manual. Our interactive handbook lets you read, listen with an MP3 audio version, or even chat with it to find the information you need, faster.