Final answer:
A flagger is the person wearing an orange vest in roadway work zones, responsible for ensuring traffic and pedestrian safety by controlling and guiding vehicles safely through construction areas.
Step-by-step explanation:
A flagger is the person who wears an orange vest and is often provided on roadway work zones to stop, slow, or guide traffic safety through the area. Flaggers play a critical role in maintaining the safety of both the workers in the construction zone and the motorists passing through the area. They use signs, flags, and hand signals to communicate with drivers, ensuring that vehicles safely navigate around the work zone. This helps prevent accidents and allows for the steady flow of traffic despite disruptions due to construction or maintenance.
Pedestrian safety is also a significant concern around construction zones, especially near campuses. Implementing a proper traffic signal system would allow pedestrians to cross intersections without having to dodge traffic, reducing the risk of accidents. This system becomes especially valuable in areas with high pedestrian and vehicle traffic densities.