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From Section 9 of the Hawaii Commercial Driver License Manual

Hawaii CDL Hazardous Materials Practice Test

Who takes it: every CDL class (A, B and C), for the H endorsement.

Hauling placarded hazardous materials. 30 questions, 24 right to pass (80%).

Study mode

Practice Hazardous Materials

  • 10questions a round
  • 2manual sections
Exam mode

Take the Hazardous Materials test

  • 30questions
  • 24correct to pass
  • –no test taken yet
Section 9 · p. 111–128 of the Hawaii Commercial Driver License Manual (Hawaii: June 2025), opens in a new tab

A Hazardous Materials question to try

You're loading carboys of corrosive liquid by hand. Can you stack them?

Tap an answer to see if you’re right, and the page

Where it is in the Hawaii Commercial Driver License Manual

Your score on each part fills in as you study.

  • Manual section 9 · 2 topics
  • Hazardous materials: rules, papers, placards and loadingNot practiced yetp. 9-1 to 9-13
  • Hazardous materials: driving, emergencies and termsNot practiced yetp. 9-14 to 9-18

Hawaii answers about this test

CDL Hazmat Test guide29 rules, with the pages in each state's manual

Practice material, not the official test: check every answer in your state's current handbook. Disclaimer · How the rounds work · DMV

All Hawaii CDL tests