Final answer:
Traffic warning signs in work zones are typically orange to indicate caution and are highly visible to alert drivers of temporary road changes.
Step-by-step explanation:
Traffic warning signs in working zones are usually orange. The colors of road signs are carefully chosen to convey specific messages to drivers. The color orange is frequently used to indicate caution and is highly visible in various lighting conditions, making it ideal for construction and work zone signs. This ensures drivers are aware of and can respond to any temporary changes in normal driving conditions due to road work. For example, this might include diversions, road machinery, or reduced speed zones.