50 ILCS 840/20
Subject to this Act and applicable federal law, an authority may continue to exercise zoning, land use, planning, and permitting authority within its territorial boundaries, including with respect to wireless support structures and utility poles; except that no authority shall have or exercise any jurisdiction or authority over the design, engineering, construction, installation, or operation of any small wireless facility located in an interior structure or upon the site of any campus, stadium, or athletic facility not otherwise owned or controlled by the authority, other than to comply with applicable codes and local code provisions concerning public safety. Nothing in this Act authorizes the State or any political subdivision, including an authority, to require wireless facility deployment or to regulate wireless services.
50 ILCS 840/20