Interface: Local Emergency Vehicles - Local Roadway Devices

Architecture Flow Definitions

barrier system status  (Medium-term)  Applicable ITS Standards

Current operating status of barrier systems. Barrier systems represent gates, barriers and other automated or remotely controlled systems used to manage entry to roadways. Status of the systems includes operating condition and current operational state.

local signal preemption request  (Existing)  Applicable ITS Standards

Direct control signal or message to a signalized intersection that results in preemption of the current control plan and grants right-of-way to the requesting vehicle.