408th Avenue in Union Township, Sanborn County, South Dakota

408th Avenue in Sanborn County is a two-lane, unpaved unclassified road. It runs in a north-south direction and crosses 221st Street, 222nd Street, 223rd Street, 225th Street, 228th Street, 229th Street, 230th Street, 231st Street, 232nd Street, SD Highway 34 and 234th Street. It connects Floyd Township, Oneida Township and Union Township. 408th Avenue also exists in Butler Township.