Where should pedestrians stop before stepping into the street for crossing?

• They should stop at the curb or the edge of the road if there is no curb.
  Explanation:

  "Pedestrians should stop at the curb or the edge of the road if there is no curb before stepping into the street to cross. This helps them check for oncoming traffic and make sure it is safe to cross."
• They should stop at the edge of the center lane lines.
• They should stop 5 feet away from the edge of the curb.
• All of the above.