The Illinois Railway Museum is located at 7000 Olson Rd Union, IL 60180-9628. That’s roughly 60 miles North West of downtown Chicago.
The museum is dedicated to preserving American Railroad artifacts. The railroad was the largest private employer supporting many American families.
The above address will get you into the museum. But if you go a short distance down the road to 8107–8617 Seeman Rd Union, IL 60180 you get a free look at these beautifully restored machines as they chug down the tracks.