Oklahoma CDL Practice Test: HazMat - Test 3 2023
Based on 2023 OK CDL Handbook
Instruction: To obtain this endorsement for hauling hazardous materials, applicants must pass a 20-question test. Before taking the test, applicants must pass a Transportation Security Administration background check. And to pass the test, applicants must score at least 80%. Test questions are from the OK CDL Handbook. The Hazardous Materials endorsement can be used with the Class A, B, or C CDL. If you need additional information, please contact your local DMV office. You can find your nearest DMV office at Oklahoma DPS locations.
1. Passive crossings typically have?
Blue triangular warning signs.
Yellow circular advance warning signs.
Flashing red lights.
Green directional signs.