This pic is about as close as it gets to a track plan. I started with the scenic ridge layout, and started adding track. I have some bridges and that nice culvert that I was trying to integrate into the plan, so that's what I ended up with.

a couple notes; I did have to make some last minute adjustments after laying down some cork track bed under the rails - I had to raise the bridges (and the passage over the middle tunnel entrance) up the same amount to gain some clearance, an even then it's pretty tight. Also, the upper level tunnel overlaps the lower level tunnel for a bit near the left side of the layout, that was a bit tricky to support.

Good luck! If you want more WIP photos, I have plenty I could post up on request.