From Section 9 of the Alabama Commercial Driver License Manual

Alabama 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. 105–126 of the Alabama Commercial Driver License Manual (December 2023), opens in a new tab

A Hazardous Materials question to try

You're hauling a placarded cargo tank. Where should its contents' ID number appear?

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

Where it is in the Alabama 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 9-12
  • Hazardous materials: driving, emergencies and termsNot practiced yetp. 9-13 to 9-22

Alabama 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 · ALEA

All Alabama CDL tests