X Avenue in Colfax Township, Boone County, Iowa

X Avenue in Boone County is a concrete local road. It runs in a north-south direction and crosses 170th Street, 180th Street, 190th Street, 195th Street, 200th Street, 210th Street, 220th Street, 230th Street, 240th Street, 250th Street, 258th Street and 260th Street. It ends in a cul-de-sac and connects Colfax Township, Garden Township and Jackson Township. X Avenue also exists in Harrison Township.