1. A route guidance apparatus of a personal navigation terminal, the route guidance apparatus comprising: a road structure information storage unit for storing information related to road structures; a user preference information storage unit for storing at least one road structure preference representing a preference of a user related to the at least one road structure; and a controller for determining a current location of the personal navigation terminal, computing routes to a destination from the current location, and selecting a user-preferred route from among the routes based on the at least one road structure preference.