What does the color yellow signify in traffic control devices?

The color yellow is universally recognized in traffic control devices as a signal for caution. This means that it is used to alert drivers and pedestrians to potential hazards or changes in the roadway conditions ahead. Yellow is often seen in warning signs, indicating that drivers should prepare for possible dangers such as curves, intersection crossings, or construction areas. The intent is to encourage individuals to be vigilant and aware as they navigate through these zones.

In contrast, red signifies stop, while orange typically denotes work zones or temporary changes in traffic patterns. Green generally indicates go or permitted movement. The clarity in the use of colors helps ensure that drivers can quickly and effectively respond to different roadway conditions.