What indicates that you are on a short state highway in a city or urban area?

The correct choice reveals that you are on a short state highway in a city or urban area because of the specific design of the sign. A rectangular shape with black writing is a standard indication of these types of highways in many states. Such signage is used to differentiate short routes that help local traffic navigate through urban areas while distinguishing them from other types of highways and routes.

This design aids drivers in easily identifying the road type and ensures that the signage is consistent and recognizable. This design philosophy often prioritizes clarity and utility for urban drivers, making it easier for those unfamiliar with the area to traverse the city correctly. The rectangle with black writing effectively communicates the function of the short state highway within an urban context.