Miniature railways by size
= Miniature railways by size
{wiki=Category:Miniature_railways_by_size}
Miniature railways, designed primarily for recreational purposes or model trains, can be categorized by their size and scale. Here are some common classifications: 1. **G Scale**: Generally starting at 1:22.5 scale, G-scale trains are larger and often used for garden railways. They have a track gauge of 45mm. 2. **O Scale**: Usually at a scale of 1:48 or 1:43.