H Avenue in Colfax Township, Dallas County, Iowa

H Avenue in Dallas County is a compacted-gravel residential street. It runs in a north-south direction and crosses 142nd Place, 148th Place, 150th Street, 170th Place, 180th Street, 190th Street, 195th Street, 210th Street, 220th Street, 230th Street, 240th Street and 250th Street. It ends in a cul-de-sac and connects Colfax Township, Spring Valley Township and Washington Township. H Avenue also exists in Union Township.