Last updated October 19, 2026
What this is
OTR CDL-Prep is a study tool. It is not part of, or approved by, the California DMV, the CHP or the FMCSA. Practice questions are written from the California Commercial Driver Handbook, but they are not the real test questions, and passing here does not guarantee you pass the DMV’s tests or English check.
Always check the handbook
Rules change. The official handbook and the DMV are the final word. If you find a question you think is wrong, tell us.
Passes and refunds
- A pass is a one-time payment. Nothing renews automatically.
- The weekly pass runs for 7 days and the monthly pass for 30 days from purchase. Buying another adds its days after the current one ends.
- Refunds: write to support@otrcdlprep.com within 48 hours of buying for a full refund, no questions asked. After 48 hours, passes are not refundable. A refund ends the pass.
- If the app doesn’t work for you, email us within 14 days of buying for a full refund.
Your account
Keep your sign-in email secure. Don’t share a pass between people. You can delete your account at any time.
Contact
Email: support@otrcdlprep.com