What precautions should you take when crossing railway tracks as part of a funeral procession?

• Keep your headlights on, follow immediately behind the vehicle ahead, and proceed only if it’s safe.
  Explanation:

  "When crossing railway tracks in a funeral procession, ensure your headlights are on, follow closely behind the vehicle ahead, and proceed only if it is safe to do so. "
• Keep your headlights off, follow immediately behind the vehicle ahead, and proceed only if it’s safe.
• Keep your headlights on, follow three cars behind the vehicle ahead, and proceed only if it’s safe.
• Proceed whenever you feel it’s safe.