[DPJ]

Welcome back to slot cars! I did what you're thinking about doing, 7 years ago, and just last year was forced to take it all apart because I just didn't have the space for it. What I did was use a single full sheet of MDF and built it with legs so I can put it on its side. Here's the build thread from another forum if you want to see the progress.

Here was the finished track and what it looked like stowed.