Final answer:
Construction warning signs in orange and incident markers in pink are used with black and white regulation signs to ensure safety and visibility in construction and incident areas. Orange is a highly visible secondary color, making it ideal for safety signs in construction zones, while pink is used for incidents.
Step-by-step explanation:
Construction warning signs and incident markers are utilized to advise and warn in areas where construction or incidents have occurred. These signs often use eye-catching colors like orange for construction and pink for incident areas to ensure that they are easily noticeable in a variety of lighting conditions. Orange, being a secondary color renowned for its visibility and attention-grabbing properties, is frequently used for this purpose. The color stands out and is universally recognized as indicating construction activity. Similarly, pink signs may denote incident areas that drivers need to be cautious of. These colors are complemented with black and white signs that communicate specific regulations temporary to the construction or incident, such as reduced speed limits or detours.