Directing traffic around construction sites, flaggers use hand signs to stop and direct traffic. They typically use large direction signs to tell drivers when to stop or proceed slowly. Flaggers might also need answer questions about detours. 

Place traffice cones and constuction signs, flaggers set up traffic cones and signs at and around road construction sites. These signs include detour signs Road Work Ahead signs, End Road Work signs and Road Closed signs. Flaggers also retrieve all cones and signs at the end of the workday at directed.