Traffic controllers may be required on a construction site or in other locations where traffic needs to be managed. In general, traffic controllers are needed when there is a risk of interaction between vehicles and pedestrians or when traffic needs to be diverted or slowed down due to construction, maintenance, or other activities.

Here are some specific situations where traffic controllers may be required:

Construction and roadworks: Sydney is a growing city, and with growth comes construction and roadworks. Traffic controllers are needed to manage traffic flow during construction and roadworks, to ensure that work is completed safely and efficiently, and to minimize disruption to traffic.

Events: Sydney is also known for hosting many events, such as concerts, sporting events, and parades. Traffic controllers are needed to manage traffic flow during these events, to ensure that pedestrians and motorists can safely navigate around the event and to minimize disruption to traffic in the surrounding areas.

Emergency situations: In the event of a natural disaster, such as a bushfire or flood, or a man-made emergency, such as a terrorist attack, traffic controllers may be needed to manage the flow of traffic and ensure the safe evacuation of affected areas.

Traffic congestion: Sydney is known for its heavy traffic, particularly during peak commuting hours. Traffic controllers may be used to manage intersections, coordinate traffic signals, and direct traffic in order to reduce congestion and improve traffic flow.

School zones: Traffic controllers may be needed in school zones to ensure the safety of children crossing the road and to manage traffic during drop-off and pick-up times.

Public transportation: Traffic controllers may be used to manage traffic around public transportation hubs, such as bus and train stations, to ensure the safe and efficient movement of passengers and vehicles

Road closures: In the event of a road closure, traffic controllers may be used to manage traffic flow and redirect vehicles along alternate routes.

Shopping centers and malls: During peak shopping hours, traffic controllers may be used to manage traffic around shopping centers and malls, as well as to direct vehicles in and out of parking lots.

Industrial sites: Traffic controllers may be needed to manage traffic flow around industrial sites, such as factories or warehouses, where large trucks and other heavy equipment are present

In general, the decision to use traffic controllers will depend on the specific circumstances of the situation. Local regulations and guidelines may also dictate when and how traffic controllers should be used. It’s important to remember that traffic controllers play a critical role in ensuring the safety of workers, drivers, and pedestrians, and their expertise can help prevent accidents and minimize disruptions.