Practice question

According to the law, when must your vehicle's lights be turned on?

  1. 30 minutes after sunset until 30 minutes before sunrise
  2. 1 hour before sunset until 1 hour before sunrise
  3. 1 hour after sunset until 1 hour after sunrise
  4. 30 minutes before sunset until 30 minutes before sunrise

Answer: A — 30 minutes after sunset until 30 minutes before sunrise

The correct answer is that your vehicle's lights must be turned on 30 minutes after sunset until 30 minutes before sunrise. This regulation is based on visibility and safety considerations. During this time, natural light diminishes, making it harder for drivers to see the road, other vehicles, pedestrians, and obstacles. Turning on headlights ensures that your vehicle is more visible to others and helps improve overall safety on the road. The requirement to turn on vehicle lights at this specific time frame aligns with general driving practices aimed at preventing accidents caused by reduced visibility. By using headlights during these times, drivers contribute to a safer driving environment for everyone on the road.

Practice more: Washington State Driver's License Written Practice Test →