From Section 9 of the Oregon Commercial Driver Manual

Oregon 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. 105–124 of the Oregon Commercial Driver Manual (AAMVA 2025 (Oregon, PDF October 2025)), opens in a new tab

A Hazardous Materials question to try

Your empty cargo tank was used for hazardous materials. Must you stop at railroad crossings?

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

Where it is in the Oregon Commercial Driver 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 9-11
  • Hazardous materials: driving, emergencies and termsNot practiced yetp. 9-12 to 9-20

Oregon 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 Oregon CDL tests