A system and method are disclosed that allow a navigation system that uses a geographic database to also use the data in traffic messages broadcast by a traffic broadcast system. One aspect of a present system and method includes the formation, storage, and use of location reference data records in a...http://www.google.de/patents/US6438561?utm_source=gb-gplus-sharePatent US6438561 - Method and system for using real-time traffic broadcasts with navigation systems
