420th Avenue in Fairview Township, Hanson County, South Dakota

420th Avenue in Hanson County is an unpaved unclassified road. It runs in a north-south direction and crosses 245th Street, 246th Street, 248th Street, 249th Street, 250th Street, 252nd Street, 253rd Street and 255th Street and ends at 256th Street, while the other end is a cul-de-sac. It connects Wayne Township, Fairview Township and Jasper Township. 420th Avenue also exists in Beulah Township.