Even if the California DMV License Test has a limited number of questions about road signs and their meanings, you may also want to take a practice quiz for CA road signs.
Quizagogo.com offers several practice quizzes with multiple choice questions. They cover all possible road signs that could show up on the California renewal test. Can you get the perfect score of 100%?
Almost all driver's manuals or handbooks have information about the shapes and colors of traffic signs. It isn't always obvious why you need to learn this. But being able to identify signs from a distance by just the shape or color coding, can help you a lot. You also need it for your written driving test.
If you are under 21 years, it is important that you understand the zero tolerance law. Even a small amount of alcohol can easily put you at risk. It is also important to know that a conviction based on blood alcohol content is more or less automatic. No other proof is needed. And remember, any traces of alcohol in your blood may result in a conviction.