jay jay posted:Here is the layout of one of the heirs of Ferdinand Porsche, located in southern Germany. It appears to be O Gauge stud-rail, but I may be wrong. I think it is open to the public.
No, it is HO with Märklin tracks, you will notice the crocodile teeth in the middle of the tracks, which are for AC power, instead of the center rail as we know from O gauge 3-rail.