Flagger Safety Flaggers protect workers, motorists, bicyclists, and pedestrians traveling through or around temporary traffic-control zones. Because flaggers work close to moving traffic, they must remain alert and follow the approved...

Excavations An excavation is any man-made cut, cavity, trench, or depression in the earth's surface formed by removing soil. Excavation work can expose employees to cave-ins, falling materials, hazardous atmospheres, underground...