N-Scale Custom Track with Compatibility

What is this thing?
Not exactly sure what to call this thing. This is more like a project. I've only recently gotten into N-Scale trains. It started with a Bachmann starter set with a steam loco and a couple of cars (Durango & Silverton in case my other models didn't give it away). This came with a bunch of EZ-track. I had full intention of expanding my layout so I bought more EZ-track. Eventually I realized, I just can't do everything I want with EZ-track, not to mention how expensive it is.

Logically, I did the smart thing for my wallet and bought a bunch of Atlas code 80. While I enjoy the fact that it doesn't come attached to a roadbed, I was also a bit dismayed by the limitations of the track.

In the meantime, I worked on a few side projects like 2'x2' custom displays-- it let me test my creativity. Problem is, I was limited to an Atlas 9 13/16" radius circle. So, I dove into the realm of Kato and I finally found my brand of choice.

Problem: What do I do wi