We present an effective way to improve the quality of unicast routes determined by the LAR Box method. Our method uses the location information acquired by LAR itself to determine relay nodes in the forwarding zone. The improvements are two-fold: (1) shorter, more-direct routes are discovered; and (2) less overhead is needed to find those routes. Because more direct routes last longer, higher delivery ratio and lower end-to-end delays are produced by our improvements. The higher the network density, the greater the effect of our improvements.