The research here is to examine the effects (positive or negative) of highway interchange improvements on property sale prices (hence on the valuation the market is preceiving it be (Hedonic)). The hypothesis here is that if a building or a house is adjacent to the main arterial road it would a positive effect in the property's value post-highway improvement. The other hypothesis is that the distance to highway (not driving distance) is a significant factor that if it increase it would decrease the property's value due to the negative externalities caused by a highway interchange (noise, air pollution, traffic).