Arkansas Highway 280Arkansas Highway 280 is a state highway in Clay and Greene Counties. The route runs from Arkansas Highway 90 near Delaplaine north then east to AR 90 in Peach Orchard. It does not intersect any other state highways.Route descriptionAR 280 begins at AR 90 and heads due north to Brookings. It then turns and heads due east for to Peach Orchard, where it terminates at AR 90. The highway is located near the Dave Donaldson/Black River Wildlife Management Area.HistoryThe route first became a state highway in 1963. AR 208S/AR 208 from Brookings to AR 90 was paved upon addition to the state highway system.Brookings spurArkansas Highway 280 Spur is a spur route to the unincorporated community of Brookings in Clay County.