Interface: Rail Grade Wayside Warning Systems - County TMC

Rail Grade Wayside Warning Systems to County TMC Interface Diagram

Information Flow Definitions

right-of-way request notification  (Existing)  

Notice that a request has occurred for signal prioritization, signal preemption, pedestrian call, multi–modal crossing activation, or other source for right–of–way.

roadway advisory radio data  (Existing)  

Information used to initialize, configure, and control roadside highway advisory radio. This flow can provide message content and delivery attributes, local message store maintenance requests, control mode commands, status queries, and all other commands and associated parameters that support remote management of these systems.

roadway advisory radio status  (Existing)  

Current operating status of highway advisory radios.

roadway dynamic signage data  (Existing)  

Information used to initialize, configure, and control dynamic message signs. This flow can provide message content and delivery attributes, local message store maintenance requests, control mode commands, status queries, and all other commands and associated parameters that support remote management of these devices.

roadway dynamic signage status  (Existing)  

Current operating status of dynamic message signs.

signal control commands  (Existing)  

Control of traffic signal controllers or field masters including clock synchronization.

signal control status  (Existing)  

Operational and status data of traffic signal control equipment including operating condition and current indications.