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In general, what do red road signs indicate?

  1. Caution or warning

  2. Regulatory commands

  3. Information about services

  4. Directions to other locations

The correct answer is: Regulatory commands

Red road signs are primarily used to convey regulatory commands. These signs are critical for maintaining safety and ensuring orderly traffic flow, indicating actions that drivers must obey, such as stopping or yielding. Common examples include stop signs, yield signs, and do not enter signs, all of which are typically bright red to attract attention. While other colors serve different purposes—such as yellow for caution or warning, blue for information about services, and green for directional guidance—red specifically signifies that the driver must take immediate action or adhere to a specific regulation. This is why it is essential for drivers to recognize and respond appropriately to red signs while on the road.