I’ve heard about this layout before but had only ever seen a photo or two. Then, this week, I found a video of it on the British Railway Modelling Magazine YouTube channel.
The layout is built in S scale (1/64). References to it often remark on the high standard of workmanship and the smooth running of the models. Watching this video both of these are obvious. This must be one of the smoothest running layouts I’ve ever seen.
Here’s the video: