(65 ILCS 5/11-86-4)
(from Ch. 24, par. 11-86-4)
If the street designated in Section 11-86-3 is to be used
only for boulevard purposes, it may be extended through such park at the
grade of other roadways to be crossed by such street so to be extended
within such park in the discretion of the park commissioners having control
thereof. If such street is to be used for general traffic purposes, it
shall be depressed below the street level within such park, as the park
commissioners, having control thereof, shall direct. The cost of the
construction and maintenance of such depression shall be borne by the city.
No such street or streets shall be extended through any park in any city
without the consent and express direction of the park commissioners having
control of such park.
(Source: Laws 1961, p. 576.)