This is a repeat of the post I did in the Screen Shot forum.
I have been planning to buy V Scale Creations StL&NA route for a long time. The trouble is I don't run steam. So I decided to do a fictional road in the diesel era to run on the route. Here is one of the repaints, a U23B by John D. Peterson. If you would like to test it you can download it at http://www.jones177.com/nau23b.zip