(65 ILCS 5/11-61-2) (from Ch. 24, par. 11-61-2)
    Sec. 11-61-2. The corporate authorities of each municipality may vacate, lay out, establish, open, alter, widen, extend, grade, pave, or otherwise improve streets, alleys, avenues, sidewalks, wharves, parks, and public grounds; and for these purposes or uses to take real property or portions thereof belonging to the taking municipality, or to counties, school districts, boards of education, sanitary districts or sanitary district trustees, forest preserve districts or forest preserve district commissioners, and park districts or park commissioners, even though the property is already devoted to a public use, when the taking will not materially impair or interfere with the use already existing and will not be detrimental to the public.
(Source: Laws 1961, p. 576.)