Interface: ODOT Region 1 Roadside Equipment - Incident Reponse Vehicles
![ODOT Region 1 Roadside Equipment to Incident Reponse Vehicles Interface Diagram](../../images/ifs/if38-83.gif)
Architecture Flow Definitions
broadcast advisories (Existing)
General broadcast advisories that are provided over wide-area wireless communications direct to the vehicle radio. These analog advisory messages may provide similar content to ITS broadcast information flows, but include no digital data component. Existing Highway-Advisory Radio (HAR) advisory messages are a prime example of this flow.