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In Partnership with American High School Library

FREE California CDL General Knowledge Test 2018 | CA

Your knowledge of traffic signs, signals, right-of-way rules, trucking laws, speed limits, vehicle inspection, and basic commercial vehicle safety will be tested to help you become a safer driver today. Each of our 50 multiple-choice questions is based on the California Commercial Drivers Handbook and applicable California laws. Each question includes 4 answer options, a hint, and an explanation. It is recommended that you check each question’s explanation to gain some further insight into the rule being tested.
Good luck and drive safely!

Your Progress

Important:

In California, the number of knowledge test questions is different depending on how old you are:
  • If you are under 18, you will get 46 questions, 38 of which will need to be answered correctly
  • If you are over 18, the written part of the driving test will have 36 questions.
10 mistakes allowed to pass
Passing score required at the CA DMV: 80%
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