What are the typical components of a green interval in a traffic signal?

The components of a green interval in a traffic signal are centered around the timing aspects that enable vehicles to safely and efficiently clear an intersection. The inclusion of minimum green, passage time, and maximum green in the selected answer reflects the critical phases of a traffic signal's operation.

Minimum green refers to the least amount of time that the green light must remain illuminated to allow vehicles to start moving and to ensure that traffic can effectively flow through the intersection. This is particularly important for maintaining smooth traffic patterns, especially in situations with heavy vehicle volumes.

Passage time is the period during which vehicles can travel through the intersection after the initial phase of green. It contributes to accommodating vehicles that are already approaching or entering the intersection at the beginning of the green light.

Maximum green is the longest time the green light can be active, ensuring that the flow of traffic is managed without causing undue delays. It helps prevent accidents by allowing ample time for vehicles to clear the intersection while also considering the eventual need to change to a yellow outcome.

These three components together ensure that the green interval meets the safety and efficiency requirements for vehicular movement, aiding in proper traffic management. Understanding these elements is crucial for effectively evaluating and operating traffic signal systems.