Real exam topics
Questions cover inspections, safe driving, cargo, air brakes, and combination vehicles — the same topics on state CDL written tests.
555+ CDL questions · Free practice test
Pass your CDL written exam — practice free, study smart.
PassCDL gives you realistic CDL test questions with instant scoring and explanations. Start with general knowledge, then add air brakes, combination vehicles, and Pro endorsement banks when you are ready.
What you need to pass
80%
Typical pass score
50+
GK exam questions
CDL applicants study for weeks. Short daily practice tests build confidence before your DMV written exam.
General Knowledge
20 free questions per day · Change your answer before tapping Next · Explanations shown as you go
- ✓ Pass mark 80% · instant score
- ✓ Tap another option to change your answer before Next
- ✓ Review missed questions after each test
- ✓ 1 free practice start per category per day
Learn from mistakes
Every answer includes an explanation so you understand why — not just memorize letters.
Study until pass day
Pro unlocks full-length simulations, hazmat & passenger banks, and unlimited retakes across all categories.
All CDL practice tests
PassCDL Pro
Full exam prep for every endorsement
PassCDL Pro ($19.99/mo) adds 40-question exam simulations, hazmat & passenger practice, and unlimited tests across all categories until you pass.
Get Pro — $19.99/month- ✓ All endorsement question banks
- ✓ Longer exam-style tests
- ✓ Unlimited retakes
- ✓ Cancel anytime