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Free Colorado CDL HazMat Practice Test (CO)

  • Perfect for first-time and renewal CDL/CLP applicants, and those adding endorsements
  • Based on 2024 CO commercial driver's license manual
  • Updated for April 2024
Verified by Steven Litvintchouk, M.S., Chief Educational Researcher, Member of ACES. See our detailed commitment to accuracy and quality in our practice tests.

About this test

7 min to complete
Available in EN and ES

The best way to find a job with your commercial driver’s license in the state of Colorado is to be as qualified as possible, and that means making sure that you have qualifications that help you stand out in the field, like your Hazardous Materials (HazMat) endorsement. Using this practice test repeatedly will help you achieve an 80% passing rate that will ensure you receive your Colorado HazMat endorsement. Each question is devised by our expert writers with information directly from the Colorado Commercial Driver License Driver Manual, and each question’s explanation contains information that will help you answer questions about the same topic that may be written a bit differently in the future. You won’t find anything exactly like it anywhere else on the web! Practice until you feel confident, good luck on your HazMat exam, and remember to drive safely!

Enhance your HazMat endorsement preparation with our straightforward HazMat practice test collection, and consult our HazMat endorsement guide for essential tips and information.

What to expect on the actual CO CDL exam

30

questions

24

correct answers to pass

80

passing score

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