625 ILCS 5/18c-4503

(1) Exemption From Rate Regulation. Except as provided in subsection (2) of this Section, nothing contained in this Chapter shall be construed to require any carrier engaged in the transportation of property by motor vehicle between points wholly within a terminal area to comply with the provisions of this Chapter with respect to the filing, publishing, observance or enforcement of tariffs or schedules of rates with respect to transportation wholly within any such area. (2) Application of Section. Notwithstanding any contrary provisions therein, the ratemaking provisions of subsection (1) of this Section shall have no application to transportation of household goods, as defined in Commission regulations, wholly within a county having a population of more than 1,000,000.