Motor vehicle navigation system that calculates an alternative route based on received traffic information and selects one route an random from a number of possible routes to prevent congestion on suggested alternative routes

摘要

The navigation device comprises a route calculation unit, a receiver for traffic reports and input and output units. A route calculation unit (2) calculated a number of possible deviation routes based on received traffic reports and selects one deviation route or a sequence of deviation routes using a random number generator. An Independent claim is included for a navigation method implemented by the above device.