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What class of sign is represented by black and white colors?

  1. Warning

  2. Regulatory

  3. Guide

  4. Informational

The correct answer is: Regulatory

The class of sign represented by black and white colors is regulatory. These signs communicate essential rules and laws that drivers must follow to ensure safety and proper traffic flow. For example, speed limit signs and no parking signs are examples of regulatory signs. The contrasting colors of black and white provide clear visibility and understanding, ensuring that drivers can quickly recognize and adhere to the regulations laid out. Regulatory signs are crucial in maintaining order on the roads and preventing accidents by informing drivers about legal requirements.