Code 148 for the main rails and N scale on the center rail. I have some large flange equipment that thumps on the ties of the code 148. I'll sell them off or change wheels at some point. Honestly I haven't run trains for a few months now, but am flying RC. I kinda go back and forth. Also turning 75 my daily energy levels aren't what they once were. Even going to the gym and lifting weights slows ageing, but doesn't slow down the ageing as much as I would like.
It is what it is.
Ron H