page_title: Lego Trains
hierarchical_section_title: Lego Trains
caption_attribution_description: English: One section of a massive LEGO train layout at the National Train Show in Cincinnati, Ohio
context_page_description: Lego Trains is a product range and theme of the construction toy Lego, which incorporates buildable train sets. The Lego Trains theme became a sub-theme of Lego City in 2006. Products in the range have included locomotives, tracks, rolling stock, stations, signal boxes, and other track-side buildings. The theme is popular among adult fans, as well as children, and has spawned international associations and conventions. The train system is sometimes referred to as 'L-gauge' among fans, in reference to traditional model railway scales. Lego trains use a nominal gauge of 37.5mm, 5.5mm wider than O gauge, derived from a centreline gauge of 40mm.
context_section_description: Lego Trains is a product range and theme of the construction toy Lego, which incorporates buildable train sets. The Lego Trains theme became a sub-theme of Lego City in 2006. Products in the range have included locomotives, tracks, rolling stock, stations, signal boxes, and other track-side buildings. The theme is popular among adult fans, as well as children, and has spawned international associations and conventions. The train system is sometimes referred to as 'L-gauge' among fans, in reference to traditional model railway scales.  Lego trains use a nominal gauge of 37.5mm, 5.5mm wider than O gauge, derived from a centreline gauge of 40mm (five lego studs).
caption: One section of a massive Lego train layout at the National Train Show in Cincinnati, Ohio, July 9, 2005
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