From Section 9 of the Illinois Commercial Driver’s License Study Guide

Illinois 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. 101–119 of the Illinois Commercial Driver’s License Study Guide (July 2025 (DSD CDL 10.30)), opens in a new tab

A Hazardous Materials question to try

Which part of the regulations lists the hazardous materials?

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

Where it is in the Illinois Commercial Driver’s License Study Guide

Your score on each part fills in as you study.

  • Manual section 9 · 2 topics
  • Hazardous materials: rules, papers, placards and loadingNot practiced yetp. 101 to 113
  • Hazardous materials: driving, parking and emergenciesNot practiced yetp. 114 to 119

Illinois 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 · SOS

All Illinois CDL tests