Well, since it seems most of us started with a 4x8 layout, or it seems that is most common size for a table top layout in HO atleast. I would say anything under it is a micro layout. Now by micro, I dont mean the ones with just a circle of N or Z gauge track but one that has some industry and operation. My combines some operation, an interchange to the outside world at the left rear corner. A small 2 track yard, 1 engine shed for the steam or diesel engine, and 2 industrial sidings, one at the front left and one off the yard where my brewery will be. Not much in HO scale can do this much operation in my amount of space other than Marklin. Well, you can if you want to run 0-6-0 steamers or a 2 axle Mack diesel. I run 4 axle diesels, 2-10-0, 4-6-2, 0-8-0 and various electric locos under the functional catenary. Right now I only have the V200 diesel and 0-8-0 class 81 heavy shunting tank steam engine. I am working on building my locomotive fleet back up and aquiring more beer cars for the brewery I am building. Cheers Mike
