What symbol primarily represents regulation in traffic management?

The symbol that primarily represents regulation in traffic management is associated with white traffic signs. These signs are used to convey regulatory information, such as speed limits, turn restrictions, and other rules that must be followed by road users. The color white is used for signs that provide essential information regarding law and regulation, and it is easily recognizable to drivers, which helps ensure compliance and enhances safety on the roads.

In contrast, other colors of traffic signs serve different purposes. For instance, red signs typically indicate stop or prohibitory regulations, which is more related to stopping or not entering an area rather than regulating ongoing traffic behavior. Yellow signs are used for warning purposes to alert drivers about potential hazards ahead, while green signs generally provide information about directions or distances, rather than regulation. Understanding the meaning behind the colors of traffic signs is important for both drivers and traffic management professionals alike.