How does a speed limit sign appear?

A speed limit sign is represented by a circular shape with a number inside it, which indicates the maximum speed limit allowed in that area. The circular design is a standardized format that helps drivers quickly recognize the sign when traveling on the road, promoting safety by ensuring that motorists adhere to speed regulations. The clear visibility of the number within the circle provides important information at a glance, allowing drivers to adjust their speed accordingly.

Other options, while they may represent different types of road signs or signals, do not accurately depict the universally recognized format of speed limit signs. For instance, rectangular signs often provide regulatory or informational text rather than numerical speed limits, while triangular signs typically indicate yield conditions or caution. Flashing lights are used for dynamic alerts but do not convey static speed limit information like the circular sign does.