About the Illinois CDL knowledge test

• Questions: 30 Multiple Choice (General Knowledge -- Confirmed Directly in the Illinois CDL Guide, Section 1.4.1)
• Time limit: 60 Minutes
• Passing score: 24/30 Correct (80% -- Confirmed Directly in the Illinois Guide)

What our Illinois practice questions cover

• CDL Licensing, Vehicle Inspection, Basic Control & Cargo/Passenger Safety: 56%
• Air Brakes, Combination Vehicles, Doubles/Triples & Tank Vehicles: 23%
• Hazardous Materials: 15%
• School Bus: 6%

Weighted by how much of the official IL CDL handbook each part takes up.

What each state requires to get a CDL: CDL requirements by state. All CDL practice tests: CDL exam prep.

CDL practice tests in other states

Alabama · Alaska · Arizona · Arkansas · California · Colorado · Connecticut · Delaware · Florida · Georgia · Hawaii · Idaho · Indiana · Iowa · Kansas · Kentucky · Louisiana · Maine · Maryland · Massachusetts · Michigan · Minnesota · Mississippi · Missouri · Montana · Nebraska · Nevada · New Hampshire · New Jersey · New Mexico · New York · North Carolina · North Dakota · Ohio · Oklahoma · Oregon · Pennsylvania · Rhode Island · South Carolina · South Dakota · Tennessee · Texas · Utah · Vermont · Virginia · Washington · West Virginia · Wisconsin · Wyoming