Barbados Highway Code Practice Test 2025 - Free Highway Code Practice Questions and Study Guide

The use of colored circles in traffic management is an essential part of signaling drivers about rules and regulations on the road. Red and white circles are specifically designated for negative orders, meaning they indicate restrictions or prohibitions. This type of signal effectively communicates to drivers that certain actions are not allowed in that area, such as no parking, no entry, or other regulations that need to be adhered to for safety and compliance.

In contrast, other colors have different meanings. For instance, blue circles often indicate mandatory instructions that must be followed, such as directions for mandatory turns. Green circles commonly signal permissible actions, such as the path of traffic without restriction. Yellow circles usually represent caution and alert drivers to be careful about the upcoming conditions but do not prohibit actions. Therefore, the red and white circle stands out as the signal that communicates negative orders clearly, making it a critical component for maintaining road safety and the adherence to traffic regulations.