Here is the info that I have about the MINIUSA planned route from Elkhart Lake to Ridemakerz in Schaumburg on Sunday. It is quite possible that this will be revised or changed.
Road America Noon departure from Gate 4:
County Road J
Route 67 South
Route 28 West
Route 33 West
Route 26 South
Route 16 East
Route 67 South
Route 43 West
Route 51 South
I90 East
Route 53 South
RideMakerz Woodfield Mall (near Sears)
Check out the map of the approximate route Here