A system and method of centralizing traffic signal preemption for roadway emergency
operations provides for increased accuracy and coordination of emergency response
vehicles along an emergency route. A centralized preemption system receives status
and location information, e.g., GPS, from emergency vehicles via fleet management
systems or dispatch centers. As an emergency route is determined and projected
in real-time, predetermined policies are applied to create an overall preemption
plan of traffic lights at intersections along an anticipated route. The preemption
plan results in preemption directives being transmitted to traffic management systems
that are controlling traffic signal controllers at intersections along the route.
The centralized preemption system may coordinate among many traffic management
systems that provides for a much larger preemption service area including multiple jurisdictions.
