Final answer:
A red curb indicates that you cannot park or stop your vehicle.
Step-by-step explanation:
Red curbs. Red curbs usually mean no parking, standing or stopping for any reason, at any time. Sometimes red curbs are reserved spots for buses to stop, or designated fire lanes. Yellow curbs. Yellow curbs mean no parking, but sometimes stopping or standing for specific purposes is permitted.
A red curb indicates that you cannot park or stop your vehicle. This restriction is typically enforced for safety reasons or to ensure the smooth flow of traffic. Parking or stopping at a red curb can result in fines or towing.