Re: Chicago folks - Good route through area?
I hate to say it, but what you're asking is damn near improbable unless you chose to take side streets. You're coming from the north, so your options will be limited.
I-294 toll road: Under construction but avoids metro Chicago
I-290 toll road: Under heavy construction to the point of Seppuku
I-355 partial Toll road: Construction between the Elgin/O'Hare and I-55
90 and 94 Partial Toll roads to the north: 94 merges with 294 near the Wisconsin boarder. If you stay on one or the other to where they merge to become 90/94 have fun depending on what time you're driving. This is the most direct route to get you to your destination, and has near zero tolls. The problem is, it takes you right through the dreaded "Circle interchange" in Chicago. If you are leaving early/late enough you can avoid all the traffic, zip through, jump on I-57 and take that to I-80. If not...be prepared to sit in traffic for a long time. Unless you want to take side streets through the Chicago neighborhoods (not bad if you follow the directions EXACTLY, you don't want to wind up in scenic downtown Lawndale)
Another option is I-355 to 55 to I-80 but that will take you all the way south to (near) Joliet, and 355 has a lot of tolls. If you want more info, let me know, but I suggest 90 to 90/94 to 57 to 80 to 80/90
EDIT: just looked at the map again, if you really wanted to avoid the Chicago traffic, stay on 39 all the way down to I-80 and just run that to Monroe Michigan. thing is I don't know what kind of road 39 stays as, but it picks up I-80 right at Starved Rock national park. Amazing scenery and roads are all over that area.
-Derek-