Illinois CDL

Illinois CDL HazMat Practice Test 2026

The HazMat (H) endorsement lets you haul placarded hazardous materials in Illinois. It's a written test only, but it also requires a TSA Threat Assessment with fingerprinting and a federal background check that can take weeks — plan for that.

Illinois HazMat Test — Quick Facts

FormatWritten test + TSA background check
Questions30 questions
Passing score80% (24/30)
Min. age (intrastate / interstate)18 / 21
CLP hold before skills test14 days min
Government feeSee Illinois DMV →
Start the Free Illinois HazMat Test →

30 questions · one per page · your progress saves automatically

Illinois HazMat Practice Tests

4 full practice tests, each with 30 questions drawn from the Illinois CDL question bank. Your score and progress save as you go.

About the Illinois HazMat Test

The HazMat (H) endorsement lets you haul placarded hazardous materials in Illinois. It's a written test only, but it also requires a TSA Threat Assessment with fingerprinting and a federal background check that can take weeks — plan for that.

From Pedro, behind the wheelI carry the HazMat endorsement, and the test is the easy part — budget weeks for the TSA appointment. On the exam, the placard tables and shipping-paper rules are where it's won or lost.

What Test-Takers Miss Most

  • 1The placarding tables (Table 1 vs Table 2)
  • 2Shipping paper and emergency-info requirements
  • 3Loading and segregation of hazard classes

Illinois CDL Requirements & Fees

Illinois follows the federal CDL framework: a minimum age of 18 for intrastate driving and 21 for interstate, a commercial learner's permit you must hold at least 14 days before the skills test, and the 80% passing standard. License fees and retake rules are set by Illinois and change from time to time, so check the official source below for current amounts before you go in.

Official Illinois CDL Handbook & FeesCurrent requirements, fees, and the manual this test is based on OPEN →

Frequently Asked Questions

How many questions are on the Illinois CDL HazMat test?
The HazMat test has 30 questions, and you need 24 correct to pass at the 80% threshold used across the U.S. under FMCSA standards. Exact counts can vary slightly by state, so confirm with the Illinois CDL handbook.
What score do I need to pass in Illinois?
You need 80% — that's 24 of 30 questions correct on the HazMat test.
How much does a Illinois CDL cost?
CDL fees are set by Illinois's licensing agency and change periodically, so we don't quote a figure that could go stale. Check current amounts on the official Illinois CDL page.
Is this Illinois practice test free and accurate?
Yes — it's completely free, based on the Illinois CDL handbook, and written and verified by Pedro Marin, an active CDL holder. No registration required.

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