So here is the RR Track print out for the first stage, which is level 1. Part of this will be covered (accessible through the bottom though) When level 2 comes around.
I have 2 mainline loops, then a 3rd loop which can function on its own, doubles as a reversing figure 8, and has access to what will be the train station sidings. The top portion shown is what will allow access from level 1 to level 2. Level 2 when have a reversing section and 2 mainlines. I have a rough idea but nothing shown here. The gray areas are for my pop through's for access.
Now for the beginning construction photos. Second with my six year old worn out from helping.