Arkansas Highway 304Arkansas Highway 304 is an east–west state highway in Arkansas. The route of runs from US Route 67 and Highway 90 in south Pocahontas east to Highway 34/Highway 90 in Delaplaine.Route descriptionHighway 304 begins at US 67 south of Pocahontas. The route heads east past Nick Wilson Field and Black River Technical College to meet Highway 304N. Highway 304 has a junction with Highway 231 near Sharum before entering Greene County. Highway 304 continues east to Delaplaine, where it meets AR 34/AR 90 and terminates.HistoryHighway 304 was added to the state highway system as part of a large transfer of county roads to the state system that took place on April 24, 1963. Initially only the portion from US 67 to the Greene County line was transferred to state maintenance.Pocahontas northern routeArkansas Highway 304N is an alternate route of in Pocahontas. The highway runs from US 167/Highway 90 south to Highway 304.