Present & Correct on Twitter: "Suggest track layouts. Loads more in this archive of old train set catalogues. https://t.co/arK5aDMcGb https://t.co/xa1RET97vy" / Twitter
Track Layout Geometry – Bill Ward's Brickpile
LEGO track geometry - Bricks McGee
BrickLink - Book b82train : LEGO Information Card - Ideas for Track Layout for Retail (93.147) [Idea Book:Train] - BrickLink Reference Catalog
4DBrix - Train
LEGO Train Layout & Landscape Standards
Lego Train Track Designs Outlet Online, UP TO 57% OFF | www.fundaciocima.org
Model Train Layouts & Track Plans in Lego scale - Various projects, designed with SCARM layout software