Interface: ADOT ITS Field Equipment - County Sheriffs Vehicles
![ADOT ITS Field Equipment to County Sheriffs Vehicles Interface Diagram](../../images/ifs/if9-406.png)
Information Flow Definitions
local signal preemption request (Planned) Selected Comm Solution
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.