Free CDL Practice Tests — Pass Your Permit Test on the First Try
Studying for your Commercial Driver’s License knowledge test? PassCDLFirst gives you free, full-length practice questions for General Knowledge, Air Brakes, and Combination Vehicles — every question with an instant explanation tied to the official manual topics. No account, no locked questions, no paywall.
Pick your state to start. State pages add local exam facts — fees, question counts, and the official manual — on top of the national core question bank.
1. Choose your state
- AlabamaSoon
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- New HampshireSoon
- New JerseySoon
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- New York
- North CarolinaSoon
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- OhioSoon
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- Pennsylvania
- Rhode IslandSoon
- South CarolinaSoon
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- TennesseeSoon
- Texas
- UtahSoon
- VermontSoon
- VirginiaSoon
- WashingtonSoon
- West VirginiaSoon
- WisconsinSoon
- WyomingSoon
More states are being added. Every state uses the same federally aligned core knowledge tests, so you can start practicing with any live state today.
2. Choose a subject
General Knowledge
Required for every CDL class: vehicle inspection, safe driving, cargo, and hazard awareness. 400 questions live now.
Air Brakes
Required if your vehicle has air brakes: system parts, dual systems, inspection, and safe use. 250 questions live now.
Combination Vehicles
Required for combination vehicles: coupling and uncoupling, rollover prevention, and combination inspection. 250 questions live now.
More ways to study
How PassCDLFirst works
Answer one question at a time. You see immediately whether you were right, plus a short explanation and the manual topic for every question. At the end you get your score and can re-drill only the questions you missed. When you are ready for the real thing, switch to the Exam Simulator for a timed run with no hints.
PassCDLFirst is unofficial and independent — see the disclaimer. Always study your state’s official CDL manual alongside any practice site.