emergency_vehicle_ramp_preemption

This data flow is sent by the Manage Emergency Services function to the Manage Traffic function. It contains the data necessary for an emergency services vehicle to be given preemption at an indicator that is particular set of highway entry ramp control signals. The data flow is sent directly from the emergency vehicle to the ramp controller, which is assumed to be capable of giving preemption to the correct ramp or lane if multiple ramps or lanes are involved.

Sub Data Flows

Parent Data Flows

Associated PSpecs