The invention provides an apparatus and method for route planning and navigation using a portable communication device. A route planning and navigation unit receives a route request from a caller. The route planning and navigation unit checks the latest traffic/road condition data, long term map database, knowledge database, Internet resources, if necessary, and then determines the best route for the driver to reach the destination. The caller may also enter general destination information and be prompted to may a selection from the possible choices. The route planning and navigation unit may also provide exact location information to police officers and emergency personnel, if necessary. During the navigation phase, the caller may receive turn-by-turn navigation and reminders to change lanes in preparation for turns, etc. The route planning and navigation unit may monitor the caller's location, speed, and direction, and provide the caller with updates based on new traffic or road condition changes affecting the caller's route.