Interface: City of Chattanooga TOC - City of Chattanooga Traffic Signals

City of Chattanooga TOC to City of Chattanooga Traffic Signals Interface Diagram

Architecture Flow Definitions

hri control data  (Planned)  Applicable ITS Standards

Data required for HRI information transmitted at railroad grade crossings and within railroad operations.

hri request  (Planned)  Applicable ITS Standards

A request for highway-rail intersection status or a specific control request intended to modify HRI operation.

hri status  (Planned)  Applicable ITS Standards

Status of the highway-rail intersection equipment including both the current state or mode of operation and the current equipment condition.

intersection blockage notification  (Planned)  Applicable ITS Standards

Notification that a highway-rail intersection is obstructed and supporting information.

request for right-of-way  (Existing)  Applicable ITS Standards

Forwarded request from signal prioritization, signal preemption, pedestrian call, multi-modal crossing activation, or other source for right-of-way.

signal control data  (Existing)  Applicable ITS Standards

Information used to configure and control traffic signal systems.

signal control status  (Existing)  Applicable ITS Standards

Status of surface street signal controls including operating condition and current operational state.