Patent ID: 6298302
Filing Date: 2001-10-02
Classification: G01C,G08G

Abstract:
A navigation system for guiding a driver in a vehicle, the system comprising:read means for reading chain information from a storage medium comprising a first storage unit for storage of information on chains and nodes, a chain representing a road element and being connected to another chain via a node,processing means for exploiting said chain information comprising at least one of a planning module for planning a route or of a display module for displaying a map on a display, anda broadcast receiver for the reception of a coded traffic message corresponding to a standardized event related to a predetermined problem location whereinthe storage medium stores chains which lead to the predetermined problem locations;the read means are arranged to read from the storage medium for a particular chain related to a particular node the additional chain information linking the chain to the traffic message;wherein the planning module selects the particular chains which fall within a predetermined search area; andwherein the system is arranged to create a list of the problem locations related to the particular chains in the search area.