Interface: Illinois DOT Traffic Signal - St Clair County Local Jurisdiction Traffic Signal
![Illinois DOT Traffic Signal to St Clair County Local Jurisdiction Traffic Signal Interface Diagram](../../images/ifs/if23-131.gif)
Architecture Flow Definitions
roadway equipment coordination (Planned) Applicable ITS Standards
The direct flow of information between field equipment. This includes transfer of information between sensors and driver information systems (e.g., DMS, HAR, variable speed limit signs, dynamic lane signs) or control devices (e.g., traffic signals, ramp meters), direct coordination between adjacent control devices, interfaces between detection and warning or alarm systems, and any other direct communications between field equipment.
signal control data (Planned) Applicable ITS Standards
Information used to configure local traffic signal controllers.