How small is too small? The most common scales for model trains and sets are O scale and HO scale. In this post, we'll walk you through the differences and point you to the scale that's right for ...

Size: model railroad: 41 x 53 feet ... combined double track main of 13.5 scale miles. Minimum radius: 32″ (main), 22″ (industrial and branch lines) Minimum turnout: No.