MAP-MATCHING NAVIGATION SYSTEM

A map matching navigation system for monitoring vehicle state characteristics including the location of a vehicle on a map route. The map matching navigation system may operate in a fixed mode wherein the map route is inputted by a user or a flexible mode wherein the map matching navigation system determines the map route from a plurality of measured points which correspond to the location of the vehicle. The map matching navigation system additionally updates the location of the vehicle at a plurality of positions on the map route wherein the vehicle location is known with an increased level of confidence.