Based on 2023 CA CDL manual

Mistakes allowed
Passing score
Official CA Combination Vehicles: 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

So, you have decided to try and add the combination vehicles endorsement to your CDL? You will need to be able to answer exam questions on how to safely operate a combination vehicle, maintain its performance, and adhere to state traffic laws while on the road. With our Free California CDL Combination Vehicles Practice Test, you will get the chance to test your knowledge before exam day at the DMV. If you can pass our 20 question-test with an 80% or above, then you will be prepared to take the real exam! To guide our content, we used the official California CDL Handbook to create the test content including explanations of correct answers for each question.

The combination vehicles endorsement allows you to drive complex rigs and the exam is equally as complex. Try our Free California CDL Combination Vehicles Practice Test and get a chance to see what types of questions are on the actual exam!