technical representation of a Traffic Situation within the onboard equipment, accomplished by a number of Traffic Information Reports; this Traffic Information can be displayed to the customer via suitable terminals

conceptual data store which is embedded in an ITS station and which contains topographical, positional and status information

application category that deals with the generation of graphical, textual, and/or audio instructions for following a planned route service which utilizes directional information, destination or real-time data to select an appropriate route, either prior to or during a trip

NOTE Route guidance is one of the six application categories supported by the API.

system which provides a driver with step-by-step driving instructions that are similar to those offered by a LDRG

NOTE With a centrally determined system, the routing instructions are determined at an off-vehicle location and transmitted to the vehicle.

application category that deals with the determination of routes between specified points

NOTE Route planning is one of the six application categories supported by the API.

complete system by which location references are generated, according to a location referencing method, and communicated, including standards, definitions, software, hardware, and databases

traffic assignment is the distribution of traffic in response to the needs of both the traffic situation and the intents of management personnel at the traffic control centre in order to realize a safe, smoothly flowing traffic environment

under SRG, the vehicle follows a route generated by the in-vehicle unit using only fixed information such as distance and other data stored in onboard map databases