What consists of two or more sequentially timed and individually selected conflicting phases arranged to occur in an established order?

The correct answer is that a "Ring" consists of two or more sequentially timed and individually selected conflicting phases arranged to occur in an established order. In traffic management and control systems, a ring is designed to handle multiple phases of operation, coordinating the timing and sequence to effectively manage the flow of vehicles and pedestrians at intersections.

Each phase within a ring operates in a set order, allowing for different traffic movements to occur while minimizing conflicts and delays. This structured approach helps ensure safety and efficiency at complex intersections, where multiple lanes and turning movements must be considered simultaneously.

In this context, a traffic signal refers to the device managing traffic flow, while a cycle typically refers to the complete sequence of phases for one signal change. A phase, meanwhile, denotes a specific state (like green or red) within that cycle. However, a ring encompasses the overall structure and organization of these phases, highlighting the interconnected nature of traffic control operations.