A vehicle navigation system and method. The system includes a unit located
in a vehicle and coupled to a first network, a traffic information center
coupled to a second network, and a server coupled to the first and second
networks. A trip plan is generated according to navigation information,
vehicle coordinates and trip request information received from the unit,
and road information received from the traffic information center. The
trip plan is sent to the unit for presentation. The trip plan includes
trip overview information and voice prompts associated with one or more
landmarks. A trip plan may be a tourist trip plan.