Based on 2022 WA CDL manual

Mistakes allowed
Passing score
Official WA HazMat: What to Expect
Total number of questions

Number of questions required to pass

Percentage required to pass

Washington Commercial Driver's License
Washington Commercial Driver's License

Considering taking the HazMat endorsement exam? Find out if you have the knowledge to pass by taking our free Washington CDL HazMat Practice Test first. We’ve modeled this practice test after the real endorsement exam so that you know exactly what to expect when you visit the DMV. This test features 30 multiple choice questions covering such topics as loading and unloading hazardous materials, safety guidelines and driving techniques from the Washington CDL Handbook. This handbook is the source of the actual endorsement exam as well. On this practice test, you’ll find questions like these: placarded loads require a fire extinguisher in your truck with a UL rating of what? If you are involved in an accident while transporting hazardous materials what should you immediately do?

If you are able to achieve a score of 80% or more you will achieve a passing score and can feel confident that you are ready to go to the DMV. If your score is lower, you can retake the test to better learn the content. We offer unlimited retakes. We also provide answer explanations with each question. Be sure to read these explanations as you go through the test. Taking our practice test is a great way to build the confidence and knowledge you need to earn your HazMat endorsement, which will allow you to begin transporting hazardous materials like explosives, radioactive material, toxic gases and flammable liquids. Start practicing now with this challenging test.