Question

Road construction signs are _______ in color and indicate extra caution in construction zones.

1) Red
2) Blue
3) Yellow
4) Green

Answer 1

Road construction signs that indicate extra caution in construction zones are usually orange in color. This functionality of the color orange for visibility is similar to its use on the uniforms of emergency workers for the purposes of safety.

Step-by-step explanation:

Road construction signs that indicate extra caution in construction zones are usually orange in color. Orange is often used for safety purposes on caution signs or uniforms of emergency workers because it is easy to see in all light conditions. In some Buddhist cultures, orange is associated with holiness, while in the Netherlands, orange is the color of the royal family and used for patriotic purposes.