Roadway Traffic Information Dissemination Functional Area
Driver information systems, such as dynamic message signs and Highway Advisory Radio (HAR).
|1||The field element shall include dynamic messages signs for dissemination of traffic and other information to drivers, under center control; the DMS may be either those that display variable text messages, or those that have fixed format display(s) (e.g. vehicle restrictions, or lane open/close).|
|2||The field element shall include driver information systems that communicate directly from a center to the vehicle radio (such as Highway Advisory Radios) for dissemination of traffic and other information to drivers, under center control.|
|3||The field element shall include pedestrian information systems under center control (e.g. warning pedestrians of a potential hazard, or providing mandatory instructions as to the availability of pedestrian access).|
|4||The field element shall provide operational status for the driver information systems equipment (DMS, HAR, etc.) to the center.|
|5||The field element shall provide fault data for the driver information systems equipment (DMS, HAR, etc.) to the center for repair.|