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Free Illinois CDL General Knowledge Test 2023 | IL

If you want to acquire a Commercial Driver’s License from the State of Illinois, you’re going to have to pass a general knowledge test. This test covers all aspects of commercial driving, from basic care of your vehicle to road skills, from cargo loading to correct behavior in an emergency. You’re going to have to get a minimum of 80% on this test to obtain your CDL license. The questions below are taken directly from the 2023 Illinois CDL manual; each question has a hint to help you and a detailed explanation of the answer. Good luck!

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