I recently went to chicago and i stumbled across an overhead walkway w/ a great view of a passenger train station. I managed to snap a couple of photo's. you can view full sized (they are HUUUUGE) at My beginner's attempts at railfanning These photo's are pretty self explanatory i was most interested in how they had their crossovers laid out. My new layout in my head is going to start w/ a yard and i've been paying close attention to how the prototypes have been built. i've got some progression images here. Wasn't sure how many cars to snap ehehe .