California CDL Practice Test
California CDL applicants take written knowledge tests at California DMV offices. Practice California-focused general knowledge questions with instant scoring before your appointment.
General Knowledge
20 free questions per day · Instant explanations as you study · Sign up free to save scores
- ✓ Pass mark 80% · instant score
- ✓ Change your answer before Next
- ✓ Review missed questions after each test
- ✓ 1 free practice start per category per day
About this CDL practice test
The real general knowledge written exam typically requires about 80% to pass. PassCDL randomizes questions from our bank of 170+ items so each attempt feels like a new test.
PassCDL Pro ($19.99/mo) adds longer exam simulations, hazmat & passenger endorsements, and unlimited retakes across every category. See pricing.
Other CDL practice tests
California CDL written test quick facts
- Licensing agency: California DMV
- Typical written test fee: $36–$46
- General knowledge questions: about 50 on the real exam
- Study tip: California DMV CDL written tests include federal rules; hazmat requires TSA background clearance before testing.
New Class A/B applicants must also complete FMCSA ELDT theory training before taking skills tests. PassCDL focuses on written exam practice — use Pro for full-length simulations.