Ill. Admin. Code tit. 2, § 3400.150
a) A requestor whose request has been denied by the Freedom of Information Officer may appeal the denial to the Executive Director of the Tollway pursuant to Section 10 of the Freedom of Information Act. The notice of appeal shall be made in writing and sent to:
Executive Director
The Illinois State Toll Highway Authority
2700 Ogden Avenue
Downers Grove IL 60515-1703