What is one principle of traffic control devices?

Conveying a clear, simple meaning is a fundamental principle of traffic control devices. The primary purpose of these devices—such as signs, signals, and markings—is to communicate essential information to drivers and pedestrians in a way that is easy to understand at a glance. Clarity helps ensure that motorists can quickly comprehend what action to take, which enhances safety by reducing the likelihood of misinterpretation and confusion.

When traffic control devices are designed with simplicity and clarity in mind, they assist in guiding behavior, ensuring that road users can navigate safely and efficiently. Effective communication through these devices helps prevent accidents and maintains the flow of traffic. Thus, the principle of conveying a clear, simple meaning is crucial for effective traffic management and safety.