In addition, the physical plant also includes the 600-acre (2.4 km2) working farm, and Two Research Parks totaling a combined 150 acres (0.61 km2).[1][2] The main roads that create the campus boundaries are East Bessemer street, to the north; East Market street, to the south; North O'Henry Boulevard (U.S. Route 220/U.S. 29/U.S. 70), to the east; North Dudley street, to the west; and East Lindsay street to the northeast. The main entry point of the campus is located at the intersection of East Market street and North Benbow road.