One more update for today. This past week saw the fabrication and installation of some panels on the layout. These panels as you can see were designed to mount the throttle plug-ins, plus throttle holders.
These panels may or may not be painted to match the fascia as I’m still undecided on this. They do fit flush with the fascia. Folding drink cup holders are planned to be installed, but will most likely be installed into the actual layout framework. Photos of the panels: