Safety Trained Supervisor in Construction (STSC) Practice Exam

The term "barricade" primarily refers to an obstruction designed to deter the passage of vehicles and pedestrians. This definition aligns with the primary function of barricades in safety contexts, which is to create a physical barrier that restricts access to hazardous areas, ongoing construction zones, or other situations where safety is a concern. Barricades are crucial for preventing accidents and protecting both workers and the public from unforeseen dangers. Their visibility and robust structure help to alert individuals to potential hazards, guiding them to take caution or find alternative routes. This definition encompasses the characteristics and purpose of barricades effectively, making it the most appropriate answer in the context of safety terminology. In contrast, marking for safety zones, distress signals, and emergency evacuation paths serve different specific safety functions, but do not capture the essence of a barricade's role as a physical obstruction for preventing access.