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, the road structures including at least two of crosswalks, uphill roads, downhill roads, viaducts, underpasses, railway crossings, tunnels, construction zones, and alleys with no sidewalks; 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.