From O'Hare to downtown, there are two routes: either the I-90 or I-294 then I-290. In my experience, 80-90 mph would be uncommonly high for either route even

From O'Hare to downtown, there are two routes: either the I-90 or I-294 then I-290. In my experience, 80-90 mph would be uncommonly high for either route even on an open highway. It's not the norm until you get out to the far flung suburbs like Naperville (I-88).