California Driver License (DMV) Written Practice Test

Passing another vehicle can be a dangerous action, so you should always take precautions to ensure your safety and the safety of others on the road. Option A is incorrect because you should always signal before changing lanes, in this case to pass another vehicle. Not signaling can cause confusion for the drivers around you and increase the chances of an accident. Option B is incorrect because passing on the shoulder is illegal and extremely dangerous. The shoulder is not designed for passing and there may be obstacles or pedestrians present. Option C is incorrect because increasing your speed while passing another vehicle can be unpredictable and unsafe. It is best to maintain a steady and safe speed. The correct option is D because it is important to use your turn signal to indicate your intention to change lanes and pass the other vehicle. This will give other drivers ample time to adjust their speed and give you enough space to safely pass.