ITS Architecture - 2021 Update

Vehicle Roadside Information Reception Functional Area

Description

'Vehicle Roadside Information Reception' receives advisories, vehicle signage data, and other driver information and presents this information to the driver using in–vehicle equipment. Information presented may include fixed sign information, traffic control device status (e.g., signal phase and timing data), advisory and detour information, warnings of adverse road and weather conditions, travel times, and other driver information.

Included In

Private Vehicle

Functional Requirements

ID	Requirement
01	The vehicle shall receive traveler information including traffic and road conditions, incident information, maintenance and construction information, event information, transit information, parking information, and weather information.
02	The vehicle shall receive advisory information, such as evacuation information, proximity to a maintenance and construction vehicle, wide–area alerts, work zone intrusion information, variable speed limits and other special information.
03	The vehicle shall receive indicator and fixed sign information including static sign information (e.g., stop, curve warning, guide signs, service signs, and directional signs) and dynamic information (e.g., current signal and traffic meter states and local conditions warnings identified by local environmental sensors).
04	The vehicle shall store a translation table for road sign and message templates used for in–vehicle display.
05	The vehicle shall present the received information to the driver in audible or visual forms without impairing the driver's ability to control the vehicle in a safe manner.
06	The vehicle shall present to the driver a visual display of static sign information or dynamic roadway conditions information
07	The vehicle shall be capable of providing to the driver an audible presentation of static sign information or dynamic roadway conditions information
08	The vehicle shall receive information about the location, duration, and operating parameters for lanes that are reserved for the HOV or HOT. It includes the lane(s), the start and stop locations, start and end times, vehicle restrictions, and vehicle occupancy.
09	The vehicle shall receive low emission zone restriction information.
10	The vehicle shall be able to receive customized real–time driving advice so that the vehicle or the driver can adjust their driving behavior to save fuel and reduce emissions.