Actually they do, just not to Indiana residents.
Non-Resident Permit
The Illinois State Police have released the following for those states that meet the criteria for their
residents to apply for a Non-Resident Permit. You can view the list as pasted below by clicking on
“Checklist Prior to...
They are having parking at the finance center parking lot and busing people over to the start park. Don't know if the parking lot is off limits. I think it might be Federal Property.