These visual directives, typically white with black or red markings, establish rules of the road. They inform motorists of laws and regulations governing vehicle operation, ensuring predictable and safe traffic flow. Examples include speed limits, stop signs, and lane usage instructions.
Adherence to these standards is crucial for maintaining order and preventing accidents. They communicate essential requirements for all drivers, creating a standardized understanding of traffic laws. Historically, these were implemented to manage increasing traffic volume and enhance safety standards on public roads.
