What should you do when encounter traffic control devices in road construction areas?

• Ignore the signals and maintain regular speed for quicker passage.
• Maintain speed and only slow down for visible road obstructions.
• Reduce speed and use caution as directed by signs, flaggers, or law enforcement.
  Explanation:

  "Various traffic control devices are used in road construction and maintenance work areas to direct drivers and pedestrians safely through the work site. Be prepared to reduce your speed and use caution when directed to do so by a sign, flagger, or law enforcement officer."
• None of the above.