Why should you avoid stopping in the middle of a crosswalk?

• It helps pedestrians use the crosswalk more effectively.
• It prevents other vehicles from passing you.
• It forces pedestrians to walk outside of the crosswalk.
  Explanation:

  "

  You must never stop in the middle of a crosswalk as this could force pedestrians to walk into traffic outside of the crosswalk.

  "
• It speeds up traffic flow.