Based on 2024 IA CDL manual

Questions
30
Mistakes allowed
6
Passing score
80%
Official IA HazMat: What to Expect
30
Total number of questions

24
Number of questions required to pass

80
Percentage required to pass

Iowa Commercial Driver's License
Iowa Commercial Driver's License

Do you know everything there is to know about hauling hazardous materials? If you want to prove that you are ready to pass your CDL HazMat endorsement exam, then you need to check out our comprehensive study tool! The Free Iowa CDL Hazmat Practice Test prepares you to take the DMV exam by asking you the same kinds of questions found on the real thing. We ask you everything from how to identify hazardous materials and HazMat safety to inspecting a vehicle transporting hazardous materials and emergency preparedness. The 30-question test requires a passing score of 80% or above.

Do you want the chance to test your skills before exam day? Don’t lose your registration fee because you were unprepared for the exam’s challenging questions. Take our Free Iowa CDL HazMat Practice Test and discover if you are really ready to pass your endorsement exam at the DMV!