Circular road signs with a red border signify what?

Circular road signs with a red border indicate orders or instructions that the driver must follow. This type of signage is essential in ensuring compliance with traffic regulations and laws. The red border emphasizes the importance of these signs, conveying mandatory actions that drivers must adhere to for their safety and the safety of others on the road. Examples include commands such as 'Stop' and 'Give Way', which require immediate action from the driver to maintain proper traffic flow and prevent accidents.

In contrast, other sign types serve different functions, such as warnings and guidance. Warning signs typically alert drivers to potential hazards but do not legally enforce a required action. Guidance signs aid in navigation but do not impose compulsory measures. Speed limit signs specifically indicate the maximum or minimum speed permitted in an area, but they can take various forms, not strictly confined to circular shapes. Thus, it is the circular signs with a red border that clearly denote instructions that must be followed by drivers.