Motor vehicle traffic information generation system, and motor vehicle navigation system, in which vehicles carry traffic information generating equipment and are linked in an ad-hoc network

摘要

Method for generating road traffic information involves determination of local traffic information, based on a vehicle's own movements and displacements and on similar information received from vehicles in the vicinity equipped with similar traffic information generation equipment. The invention also relates to corresponding equipment for production of road traffic information, a system for production of road traffic information comprising a plurality of such information equipment units, a road navigation system and road navigation equipment.