Interface: Waukee Fire Vehicles - West Des Moines ITS Roadway Equipment
![Waukee Fire Vehicles to West Des Moines ITS Roadway Equipment Interface Diagram](../../images/ifs/if140-292.png)
Information Flow Definitions
local signal preemption request (Existing) 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.