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.

Practice this question and more.


When a traffic signal light is red, you must:

  1. Stop, proceed with caution

  2. Make a right turn

  3. Stop and remain stopped until the light turns green

  4. Make a left turn

The correct answer is: Stop and remain stopped until the light turns green

When a traffic signal light is red, you must stop and remain stopped until the light turns green. This is to ensure the safety of yourself and others on the road. Making a right turn on a red light is only allowed in certain situations and should not be considered as the default action. Making a left turn on a red light would be violating traffic laws and is not a safe option. Proceeding with caution on a red light can also be dangerous and should not be done. It is important to follow traffic signals to avoid accidents and maintain traffic flow.