AITrafficStopManager

Controls groups of AITrafficStops for an intersection.

On Start will set all AITrafficStops to stop, then begin the configured sequence.

Variables
stopCycles	Array of AITrafficStopCycles played as a looped sequence.

AITrafficStopCycle

Variables
activeTime	Amount of time cars are allowed to proceed before next cycle.
waitTime	Amount of time before next cycle becomes active.
trafficStops	Array of AITrafficLights that follow this sequence.