What shape is the DIVIDED HIGHWAY sign?

The DIVIDED HIGHWAY sign is shaped as a diamond. This diamond shape is a standard design feature used for warning signs in traffic control, indicating that the road will soon split into two lanes separated by a median or barrier. The distinctive shape is crucial for quick recognition by drivers, alerting them to adjust their driving accordingly as they approach a divided highway. This visual format helps maintain consistency across different roadway signs, allowing for immediate identification of the type of warning regardless of the language spoken by the driver. The other shapes, such as circle, square, and rectangle, are used for different types of signs, like regulatory or informational signs, but not specifically for indicating a divided highway.