National Model Railroad Association (NMRA)

The National Model Railroad Association (NMRA) is a nonprofit organization dedicated to promoting and supporting the hobby of model railroading. It provides standards, educational resources, and conventions to help enthusiasts build accurate, functional, and detailed model train layouts. The NMRA also fosters a community for sharing techniques, expertise, and innovation within the hobby. Its standards ensure compatibility among equipment and DCC (Digital Command Control) systems, advancing the quality and realism of model railroads for both beginners and experienced hobbyists.