California Driver License (DMV) Written Practice Test

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Ace your California DMV written test! Prepare for the exam by practicing hundreds of multiple-choice questions covering traffic laws and road signs. Boost your knowledge, gain confidence, and increase your chances of passing the test on your first try.

Each practice test/flash card set has 50 randomly selected questions from a bank of over 500. You'll get a new set of questions each time!

Practice this question and more.

What does a red light signify?

Yield
Stop
Go
Slow down

The correct answer is: Stop

A red light signifies stop. This is because traffic lights use a system of colors to regulate traffic flow, with each color representing a different action for drivers to take. Red is typically considered the color of danger and is used to signal drivers to come to a complete stop. Option A, yield, is incorrect because this is represented by a yellow light. Option C, go, and option D, slow down, are also incorrect as they represent the actions drivers should take when seeing a green and yellow light respectively.