Which of the following statements about pedestrians' safety is correct?

• Pedestrians must always obey railroad and bridge gates and other barriers.
• Pedestrians must not stand on or next to a highway to ask drivers or passengers for any type of money or business.
• Pedestrians must not walk on the sidewalk even if there is one available.
• Both A & B
  Explanation:

  "Pedestrians must always obey railroad and bridge gates and other barriers, and not stand on or next to a highway to ask drivers or passengers for any type of money or business."