Roadway Signal Preemption (Equipment Packages*)

This equipment package includes the field elements that receive signal preemption requests from emergency vehicles approaching a signalized intersection and overrides the current operation of the traffic signals to stop conflicting traffic and grant right-of-way to the approaching vehicle.

Included In:

Inputs/Outputs (Included Architecture Flows)

Source Architecture Flow Destination
Emergency Vehicle local signal preemption request this architecture flow either has been or will be addressed by ITS Standards Roadway
Roadway right-of-way request notification this architecture flow either has been or will be addressed by ITS Standards Traffic Management
Roadway signal control status this architecture flow either has been or will be addressed by ITS Standards Traffic Management
Roadway signal fault data this architecture flow either has been or will be addressed by ITS Standards Traffic Management
Traffic Management signal control commands this architecture flow either has been or will be addressed by ITS Standards Roadway

    - This icon indicates that the associated architecture flow either has been or will be addressed by ITS Standards. Select the architecture flow for more information on relevant standards activities.