All CDL HazMat Practice Tests
Use our CDL HazMat practice tests below to help study for your exam. Passing the HazMat test is important for Commercial Driver’s License (CDL) operators who wish to transport hazardous materials.
If you are looking for practice exams for other CDL endorsement tests, visit our free CDL practice page.
CDL HazMat Test Overview
The CDL HazMat test is taken by commercial truck drivers to obtain their hazardous materials endorsement for their CDL.
This endorsement allows drivers to transport materials which have been deemed “hazardous” according to government regulations, including:
- Gases
- Explosives
- Flammable or combustible liquids
- Any other materials that may cause harm
The HazMat endorsement test will vary from state to state but you can generally expect to find the following:
- 30 total questions
- Multiple-choice format
- Need an 80% to pass (24 questions answered correctly)
Want to practice for another CDL endorsement test? Take a CDL practice exam for another subject.
Frequently Asked Questions
How many questions are on the HazMat test?
Typically, there will be 30 total questions on the exam. This can vary depending on your state.
What score do I need to pass the HazMat endorsement test?
Typically, you will need to score 80% or higher to pass the exam. This can vary depending on your state. If your state gives 30 questions on the exam, you will need to answer 24+ questions correctly.
What is considered hazardous material?
According to government regulations, hazardous materials include gases, explosives, flammable or combustible liquids, and any other materials that may cause harm.
