The layout has no official name
4x8 plywood. All 027 track, 027, 042, and 054 curves, but I did use O uncoupling sections for future accessories (15 years and still waiting!). There is also an elevated HO loop in the plans from my first set.
ZW and misc power supplies (CW and BW)
Population: 2 dispatchers, 4 engineers, 2 firemen, 1 conductor, 1 milkman, 1 mailman, 1 fireman, and one oversized gateman.