401st Avenue in Benton Township, Spink County, South Dakota

401st Avenue in Spink County is an unpaved local road. It runs in a north-south direction and crosses 155th Street, 157th Street, 158th Street, 160th Street, 161st Street, 162nd Street, 163rd Street and 164th Street. It ends in a cul-de-sac and connects Sumner Township and Benton Township. This street is part of the highway "7". 401st Avenue also exists in Prairie Center Township and Harrison Township.