I just toured across WI last week and tried to use part of the Oak Leaf Trail through Milwaukee. In places it was nice enough, but I found it very frustrating to follow it, or any other trail in Milwaukee. Constant breaks and changes made it a bad choice for us. It uses roads or sidewalks in many places and is not always well marked. If I knew it well, or had excellent documentation, it might work better. Clearly many locals like it. I had the same problem with the touted HAST. I just gave up and made my own route on streets. YMMV.