Whenever any county highway is laid out, widened or altered in accordance with this Article, to cause a plat thereof to be made and recorded in the office of the recorder of the county (or in the office of the registrar of titles for the county if appropriate) in accordance with the provisions of Section 9 of "An Act to revise the law in relation to plats", approved March 21, 1874, as amended.
605 ILCS 5/5-101.8