Florida Department of Transportation
Florida Statewide and Regional ITS Architectures

Florida ITS Architecture Banner

signal preemption request

Type: National

Description: Direct request for preemption to a traffic signal controller that results in preemption of the current control plan and grants right-of-way to the requesting vehicle. This flow identifies the required phase and timing of the preemption. This flow may also cancel the preemption request (e.g., when the requesting vehicle clears the intersection).

Last Updated 4/19/2024