Interface: City of Plano Roadway Devices - DART Transit Vehicles
![City of Plano Roadway Devices to DART Transit Vehicles Interface Diagram](../../images/ifs/if41-47.png)
Information Flow Definitions
local signal priority request (Existing)
Request from a vehicle to a signalized intersection for priority at that intersection. This flow also allows the vehicle to cancel a priority request (for example, when the vehicle clears the intersection).