What is the shape of a yield sign?

The shape of a yield sign is an inverted triangle. This specific shape is universally recognized and is designed to alert drivers to the need to yield the right of way to other vehicles or pedestrians. The inverted triangle is distinctive and helps catch the attention of drivers, conveying the important message of yielding in a clear and immediate manner. The bright red color along with this shape further emphasizes the sign's significance and ensures that it stands out against its environment, promoting safety on the road.

In contrast, other shapes such as squares, circles, or rectangles serve different functions for various traffic signs and signals. For instance, circular signs typically indicate regulatory messages or warnings, while square and rectangular signs often provide information or directional guidance. The use of an inverted triangle for yield signs helps differentiate them from other types of signs, ensuring that drivers understand the specific action required when they see it.