Disclosed is a navigation system for providing real-time traffic information to users connected thereto through a communication network and a traffic information processing method by such a system. The processing method for using real-time traffic information for calculating a travel route in a navigation...http://www.google.es/patents/US6850842?utm_source=gb-gplus-sharePatente US6850842 - Navigation system for providing real-time traffic information and traffic information processing method by the same
Navigation system for providing real-time traffic information and traffic ...
