I want to add a loop of wide radius 2" gauge track, so it's time to expand the upper level on the layout. The outer loop will be 80" radius 2" gauge. Below are two loops of Standard gauge (84" and 72.") and a loop of 2" gauge. Below that two loops of 0 gauge and just off the floor two loops of No.1 gauge. That makes nine separate loops of track! That's one way to run a lot of different trains in a small city row house basement.
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