The Standard Gauge Module Association (SGMA) is a group of toy train enthusiasts interested in designing and building modular display layouts to promote the hobby of Standard Gauge (2 1/8" gauge) tinplate toy train collecting and operating, and for the education and enjoyment of the general public. The SGMA has established a set of standards for the construction of modules. Membership in SGMA is open to Standard Gauge enthusiasts interested in building modules and/or operating Standard Gauge trains on SGMA display layouts...
SGMA Operating Layout at the Train Collector's Association (TCA) Eastern Division Meet - April 24-26, 2025
Also known as: Standard Gauge Module Association, Standard Gauge Module Association, Inc.