What does the sign for 'Crew at Work' typically include?

Answer: C — yellow-orange symbol with a man holding a shovel

The sign for 'Crew at Work' is designed to alert drivers to the presence of construction or maintenance personnel in the area, emphasizing the need for caution. The typical appearance of this sign includes a yellow-orange symbol featuring a figure holding a shovel. This combination of colors and imagery serves to draw attention and effectively communicate the possibility of unexpected conditions due to work being performed. The use of yellow-orange is particularly notable as it is a highly visible color, making it effective for signage related to workers on or near the roadway. This design aims to ensure that drivers are aware of the potential hazards and can adjust their speed and behavior accordingly to protect not just themselves but also the workers present. Other options, such as a yellow triangle or an orange diamond, are generally used for different types of warnings or general caution signs that do not specifically indicate worker presence. The blue rectangle is often associated with informational signs and does not convey a warning about construction or work zones. Therefore, the specific imagery and color combination of a yellow-orange symbol with a man holding a shovel are what distinguishes it as the correct representation for 'Crew at Work.'