What is the primary role of flaggers in a work zone?

The primary role of flaggers in a work zone is to direct traffic safely through or around the work zone. Flaggers serve as crucial personnel to ensure the safety of both the workers on site and the traveling public. They are trained to communicate effectively with drivers using hand signals, flags, or other devices, providing clear and direct instructions to guide vehicles safely past the work area. This role is essential for minimizing the risk of accidents and maintaining traffic flow while work occurs.

The other options pertain to different responsibilities not within the flagger's role. Managing project budgets involves financial oversight and planning, which is outside the scope of traffic control. Monitoring worker safety compliance focuses on ensuring that safety standards are met among construction workers and is typically handled by safety supervisors or managers. Setting up equipment involves physical tasks related to the work being performed and does not directly concern traffic management.