(a) On land regularly platted in blocks and lots, the land to be included for homestead exemption shall be limited to adjoining lots; provided, any street, alley or road which is not open to public use may be disregarded in determining the limitation herein fixed.
(b) On platted land, actually joined to unplatted land, all lying inside a municipality, the amount of land that may be included in the homestead for exemption shall be the same as provided for land lying outside a municipality, except that all the land must be actually joined.
(c) On platted or unplatted land in a municipality, actually joined to other land lying outside of the municipality, the owner’s dwelling being in the municipality, the provisions of the article for land lying outside a municipality shall apply to the whole, except that all the land must be actually joined.
(d) On unplatted land, all lying inside a municipality, the homestead shall be determined as in the case of homes located outside of a municipality, except that all the land must be actually joined; provided, a street or road through or across the tract shall be disregarded in determining the limitation herein fixed, and the land divided by such street or road shall be held as actually joined.