I'm confused: Before acquired TMCC, I divided my layout into what my fellow HO modelers called "blocks", or sections of mainline trackage powered in such a way (by rotary switches) as to prevent more than one train occupying the same block at the same time. All the stub end sidings were not part of this block arrangement but rather powered by simple on-off toggle switches; they never referred to these as "blocks". Should they have been called blocks too???
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