What does the regulatory message on a white background sign mean?

• It provides information about nearby attractions.
• It indicates a rule or law that drivers must follow, such as speed limits, parking regulations, and lane usage.
  Explanation:

  "A regulatory sign with a white background typically indicates a rule or law that drivers must follow. These signs often feature black text or symbols and are used to convey mandatory instructions, such as speed limits, parking regulations, and lane usage."
• It warns drivers about potential hazards ahead.
• It gives directions to the nearest highway.