AR 328 begins at AR 251 between Ingram and Attica. It runs northeast to meet AR 115/AR 166 in Maynard. The route exits Maynard heading due east before angling south to Reyno. AR 328 meets and concurs with US 62/US 67 from Reyno until an area north of Datto. The route then follows AR 211 north to Success, after which AR 328 arrows straight east to meet US 67, where it terminates.