70 ILCS 1801/175
The provisions of the Illinois Municipal Code, the Airport Authorities Act, and the General County Airport and Landing Field Act, shall not be effective within the area of the District insofar as the provisions of those Acts conflict with the provisions of this Act or grant substantially the same powers to any municipal corporation or political subdivision as are granted to the District by this Act.
The provisions of this Act shall not be considered as impairing, altering, modifying, repealing, or superseding any of the jurisdiction or powers of the Illinois Commerce Commission or of the Department of Natural Resources under the Rivers, Lakes, and Streams Act. Nothing in this Act or done under its authority shall apply to, restrict, limit, or interfere with the use of any terminal facility or port facility owned or operated by any private person for the storage, handling, or transfer of any commodity moving in interstate commerce or the use of the land and facilities of a common carrier or other public utility and the space above such land and facilities in the business of such common carrier or other public utility, without approval of the Illinois Commerce Commission and without the payment of just compensation to any such common carrier or other public utility for damages resulting from any such restriction, limitation, or interference.
70 ILCS 1801/175