NOACA Regional ITS Architecture

Roadway Traffic Information Dissemination Functional Area

Description

'Roadway Traffic Information Dissemination' includes field elements that provide information to drivers, including dynamic message signs and highway advisory radios.

Included In

Municipal Field Equipment
Ohio Turnpike Roadside ITS Equipment
County ITS Roadway Equipment
Ohio DOT RWIS Stations
Ohio DOT DMS
Ohio DOT HAR
City of Cleveland DMS
Ohio DOT Lane Control Devices
Ohio DOT Automated Gate Closure Systems
Hopkins International Airport DMS
Municipal Public Safety Agencies Lane Control Roadside Equipment
Ohio DOT Variable Speed Limit Signs

Functional Requirements

ID	Requirement
01	The field element shall include dynamic message 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).
02	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.
03	The field element shall provide operational status for the driver information systems equipment (DMS, HAR, etc.) to the center.
04	The field element shall provide fault data for the driver information systems equipment (DMS, HAR, etc.) to the center for repair.
05	The field element shall provide dynamic message sign information to roadside equipment for transmission to connected vehicles to support in–vehicle signing.
06	The field element shall include devices that provide data and status information to other field element devices without center control.
07	The field element shall include devices that receive configuration data from other field element devices, without center control.