70 ILCS 3605/11
The Authority shall have the right, but not exclusive of the public right, to use any public road, street or other public way in the metropolitan area for interurban transportation of passengers. The Authority shall not have the right to use any street or other public way in any city, village or incorporated town, either within or without the metropolitan area, for local transportation of passengers within any such municipality, unless and until authorized so to do by an ordinance passed by the corporate authorities of such municipality. In no case shall the Authority construct or operate any street railroad in any city, village or incorporated town until the corporate authorities thereof shall have passed an ordinance consenting thereto.
70 ILCS 3605/11