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CDL HazMat Practice Test

Answer Some Sample Questions with Our CDL HazMat Practice Test
If you want additional questions, take more CDL HazMat practice exams.
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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:

  1. Gases
  2. Explosives
  3. Flammable or combustible liquids
  4. 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:

  1. 30 total questions
  2. Multiple-choice format
  3. Need an 80% to pass (24 questions answered correctly)

CDL HazMat overview

Want to practice for another CDL endorsement test? Take a CDL practice exam for another subject.

Frequently Asked Questions

Typically, there will be 30 total questions on the exam. This can vary depending on your state.

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.

According to government regulations, hazardous materials include gases, explosives, flammable or combustible liquids, and any other materials that may cause harm.

Gianni Evangelisti
Gianni has been working in the test prep industry for 6+ years. Gianni has created test prep materials across multiple different exam categories.