2025 California Permit Test 20
The following questions are from real DMV written tests. These are some of the actual permit questions you will face in California. Each permit practice test question has three answer choices. Select one answer for each question and select "grade this section." You can find this button at the bottom of the drivers license quiz. For a complete list of questions and answers for California please visit https://cheat-sheets.dmv-written-test.com/en/california/car.
Number of Tests
Number of Question
Passing Score
19. To know where traffic is behind you:
Explanation
Drivers should check their rearview mirrors often to stay aware of the position of traffic behind them.
20. Water on the road can cause a vehicle to hydroplane. Your car may hydroplane at speeds as low as:
Explanation
Hydroplaning occurs when there is standing water on a roadway. At speeds up to 35 mph, most tires will channel water away from the tire. As your speed increases past 35 mph, tires cannot channel the water as well and your tires may start to lose contact with the road and ride over the water like a set of water skis.
21. You have stopped for a train at a railroad crossing. After the train passes, you should:
Explanation
Even after a train passes, watch out for a second train approaching on any track. Do not proceed until all gates have been lifted and all warning signals have stopped flashing.
22. You enter a designated turn lane to make a left turn at an upcoming intersection. There is oncoming traffic. You should:
Explanation
When making a left turn, you should always begin signaling about 100 feet before the turn. You should keep your front wheels aiming straight ahead until it is safe to start your turn. This ensures that you will not be pushed into oncoming traffic if another vehicle hits you from behind.
23. A broken yellow line down the center of a road indicates that:
Explanation
When broken yellow lines separate the lanes of traffic on a two-lane roadway, any driver may pass when there is no oncoming traffic.
24. Which of these is a safe driving technique?
Explanation
