Roadway Traffic Information Dissemination Functional Area

Description

Driver information systems, such as dynamic message signs and Highway Advisory Radio (HAR).

Included In

Local Roadway Devices
North Texas Tollway Authority Roadway Devices
Passenger Airport Roadway Devices
TxDOT District Roadway Devices
Public-Private Toll Roadway Devices

Functional Requirements

IDRequirement
1The 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).
2The 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.
3The 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).
4The field element shall provide operational status for the driver information systems equipment (DMS, HAR, etc.) to the center.
5The field element shall provide fault data for the driver information systems equipment (DMS, HAR, etc.) to the center for repair.