Interface: City of Knoxville Fire Vehicles - City of Knoxville Traffic Signals
![City of Knoxville Fire Vehicles to City of Knoxville Traffic Signals Interface Diagram](../../images/ifs/if19-28.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.