Traffic information, including traffic flow information and traffic
incident information, obtained through a traffic management system for
providing and facilitating the exchange of traffic information between a
remote location and a vehicle may be presented to a user on a user
display in the vehicle. In one embodiment, the navigation system
automatically filters traffic information that is located farther than a
predetermined distance from the vehicle. In another embodiment, the
navigation system filters traffic information that is not located within
the same time zone as the vehicle. The user may also enter user
preferences manually through a menu provided by the vehicle radio. In
other words, the traffic information may be presented to the user in
several circumstances, either as cued by the user, or automatically
presented by the traffic management system.