What is the purpose of highly reflective tape affixed to buggies?

• To show that the vehicle belongs to the Queen
• To show that the vehicle is dangerous
• To show that the vehicle is moving at 40 km/h or less
  Explanation:

  "Many buggies have highly reflective tape on the sides and rear to warn other drivers that the vehicle is traveling at 40 km/h or less. The tape also illuminates when headlights hit it, increasing visibility at night."
• None of these