What colors are typically used for regulatory signs?

Regulatory signs are essential components of traffic management and are designed to inform drivers of laws, regulations, and rules that must be followed. The colors red, white, and black are specifically chosen for these signs due to their high visibility and their association with commands or prohibitions that require immediate attention from drivers.

For instance, red is commonly used for stop signs and yield signs, indicating that drivers must take specific actions to ensure safety. White is typically the background color for speed limit signs and other regulatory signs, ensuring clear readability. Black is often used for the lettering or symbols on these signs to contrast sharply with the white background, further enhancing visibility.

In contrast, the other color combinations mentioned do not correspond to the regulation of traffic laws. Blue is often used for informational signs, green is typically associated with guide signs, and colors like orange are reserved for construction signs. Understanding the color coding of traffic signs is crucial for safe driving and compliance with traffic laws.