The 28 miles route begins as a continuation of 140th Street (Mille Lacs CR 2), heads east on 313th Avenue Northwest, heads south on Dolphin Street, then east on 293rd Avenue Northwest, where for the rest of the route maintains concurrency with Inter-county H. The route briefly heads south on Palm Street Northwest (CR 10), heads east on 289th Avenue Northwest through Isanti, and continues east on 293rd Avenue Northeast to the county line.