Traffic Guards and Traffic Controllers both manage traffic flow and ensure safety at construction sites or events. Traffic Guards often focus on pedestrian safety and may have certifications in traffic management, working primarily outdoors in various environments. Traffic Controllers typically have similar certifications and work in dynamic settings, directing vehicle and pedestrian movement. Both roles are essential in maintaining safety and require similar skills and credentials. The main difference lies in terminology and specific job duties based on regional usage, but their core responsibilities overlap significantly.