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Are the practice tests really free?
Yes. All our CDL practice tests, flashcards, and exam simulators are completely free. No registration or payment required.
How many questions are on the actual CDL written test?
The number of questions varies by state and endorsement. Most General Knowledge tests have 50–100 questions. Check your state's CDL manual for exact details.
Can I use these tests on my phone?
Yes. Our site works on desktop, tablet, and mobile browsers.