478th Avenue in Alcester Township, South Dakota

478th Avenue in Union County is an unpaved unclassified road. It runs in a north-south direction and crosses 298th Street, 299th Street, 300th Street, 301st Street, 302nd Street, 303rd Street, 304th Street, 305th Street, 306th Street, P Road, 308th Street and 309th Street. It ends in a cul-de-sac and connects Alcester Township, Sioux Valley Township and Big Springs Township. 478th Avenue also exists in Elk Point Township and Richland Township.