What is indicated by red signs on the road?

Red signs on the road are primarily used to convey important messages related to safety and traffic regulations. These signs are designed to alert drivers to specific actions that must be taken to maintain safety on the road. In the case of "stop" signs, they instruct drivers to come to a complete stop at an intersection, ensuring that they yield to oncoming traffic or pedestrians. "Do not enter" signs inform drivers that they are approaching a restricted area where entry is prohibited, preventing potential collisions with oncoming traffic or entering one-way streets incorrectly.

The use of red for these signs is intentional, as the color grabs attention and signifies urgency, making it clear that immediate action is required from the driver. This distinction helps to ensure that critical safety information is readily recognized and followed.