Based on 2023 CA CDL manual

Mistakes allowed
Passing score
Official CA Double/Triple Trailers: What to Expect
Total number of questions

Number of questions required to pass

Percentage required to pass

California Commercial Driver's License
California Commercial Driver's License

Do you know how to couple and uncouple double trailer rigs? The CDL double/triple trailers endorsement exam requires you to know how to safely operate multi-trailer rigs, inspect trailers and vehicle, and driver safety. Our Free California CDL Double/Triple Trailers Practice Test will prepare you to take the actual exam! With 20 questions that cover the same topics as the DMV exam, our practice test is a powerful study tool. We used the official California CDL Handbook so all the content and explanations for correct responses are relevant and accurate. If you can score an 80% or above, you will have no problem passing your endorsement exam.

The CDL endorsement exam costs money and if you want to be sure that you pass on the first time, you need to practice! Take our Free California CDL Double/Triple Trailers Practice Test and be prepared for your exam day!