In flagging operations, where should flaggers never flag from?

Flaggers should never flag from a vehicle because it compromises visibility and effectiveness. When flagging from a vehicle, a flagger may not have a clear view of the traffic, making it difficult to effectively communicate and ensure the safety of both motorists and workers. Additionally, flaggers need to be fully alert and able to react quickly to changing traffic conditions, which is hindered when they are situated in a vehicle. Being on the ground allows flaggers to better assess the situation, visually engage with drivers, and facilitate safe passage through work zones.

In contrast, the other scenarios presented—flagging on an open highway, at a stop sign, or on unpaved surfaces—are not inherently problematic as long as flaggers are trained and positioned correctly to manage traffic. Each of those scenarios can provide sufficient visibility and safety when the flagger is properly placed and attentive to their surroundings.