Originally Posted by Bobs A Class
I was born and raised in Chicago. Grumpy is right. NW KOA is the closest (and perhaps safest}. From there, you can take a train. You'll need a vehicle to get to the station. We have done this same kind of thing in major cities such as Boston and New York. Might want to call NW KOA and discuss.
Stay away from SE side.
I will look at this closely