Interface: VDOT Bristol District - Municipal/County Traffic Signals
![VDOT Bristol District to Municipal/County Traffic Signals Interface Diagram](../../images/ifs/if3-34.gif)
Architecture Flow Definitions
right-of-way request notification (Existing) Applicable ITS Standards
Notice that a request has occurred for signal prioritization, signal preemption, pedestrian call, multi-modal crossing activation, or other source for right-of-way.
signal control commands (Existing) Applicable ITS Standards
Control of traffic signal controllers or field masters including clock synchronization.
signal control status (Existing) Applicable ITS Standards
Operational and status data of traffic signal control equipment including operating condition and current indications.