Oklahoma CDL Hazardous Materials Test

Study hazardous materials regulations, placarding requirements, and safe handling procedures.

30 Questions
24/30 to Pass
40 Minutes
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About the Hazardous Materials Test

Study hazardous materials regulations, placarding requirements, and safe handling procedures.

Test Requirements

  • Number of questions: 30
  • Correct answers to pass: 24 out of 30
  • Passing score: 80%
  • Time limit: 40 minutes

Oklahoma DMV Information

Oklahoma Department of Public Safety – Driver License Services

Visit OK DMV Website