What color are warning signs typically used in work zones?

Warning signs used in work zones are typically orange. This color is chosen specifically because it captures attention and is associated with caution in construction and maintenance environments. Orange is widely recognized as a color that signals potential hazards, especially in roadway settings where workers are present.

The use of orange for warning signs effectively communicates the need for drivers to reduce speed and remain vigilant for any unexpected conditions, ensuring the safety of both drivers and workers. This color is a standard in traffic control and helps to establish a consistent message across different work zones.

In contrast, red is usually reserved for regulatory signs that indicate stop conditions or prohibitions. Yellow is frequently used for general warning signs that do not relate specifically to work zones but rather to alert drivers to caution about potential hazards ahead, like curves or pedestrian crossings. Blue is primarily used for informational signs, such as those indicating services along the highway. Each color in traffic signage has a specific purpose that contributes to overall roadway safety and clarity, with orange uniquely signifying work zone alerts.