What is the main purpose of traffic signs?

The main purpose of traffic signs is to provide drivers with necessary information and guidance. Traffic signs are essential components of road safety and traffic management, as they convey important messages about speed limits, directions, warnings of hazards, and other critical information that drivers need to navigate safely. By following these signs, drivers can make informed decisions, helping to prevent accidents and ensure smooth traffic flow.

Other choices, such as entertainment or advertising, do not align with the primary function of traffic signs, which is focused on safety and communication. Similarly, while some signs may indicate scenic routes, that is not their main purpose; rather, it is an incidental benefit.