What does the sign in a work zone mean for drivers?

• Drivers can speed without consequences in a work zone.
• Photo enforcement is used to monitor seat belt usage in a work zone.
• Speeding in a work zone may be captured by cameras and result in fines.
  Explanation:

  "Speeding in a work zone may be captured by cameras and result in fines."
• The work zone speed limit is only a suggestion and not enforced.