N Scale has a number of module standards, starting with the original specifications dating from 1973 that popularized modular railroading and N Scale. The NTRAK standard was certainly the most …

Nov 5, 2025 · These Standards and Recommended Practices (RPs) have been assembled from data sent in from module groups that are actively building and operating these units in all parts of the …

This section will included basic module dimensions and some basic layout designs. More complex modules and layouts are available are detailed in the NTRAK Module Manual.

Sep 2, 2023 · This sketch shows the shapes and dimensions of several typical Ntrak model railroad modules, along with one possible track plan for a 3-foot corner module and a 6-foot straight module.

NMRA Standards documents are copyrighted by NMRA under US and international copyright laws. They are made available by NMRA and are adopted for a wide variety of both public and private uses.

All the modules are built to a set of standards (v2.19 PDF, 106Kb) that govern the mechanical structure, electrical connections and decoration at the ends of the modules (or a run of modules).

Detailed information regarding electrical connections techniques, other than the standard wiring polarity and the use of Kato connectors, as well as various module construction methods, can be found on …

Overview Free-moN attempts to raise-the-bar for N scale modular railroading by specifying standards for bench work, track and digital control that promotes, and even forces, prototypical appearance and …

NTRAK (all upper case letters) is one of several model railroad module standards. It is the most popular standard for use in United States N scale. NTRAK allows modelers to participate in a large layout but …

Reading the history of T-TRAK helps to understand the reasoning behind the standards. Trying to keep this up-to-date is a challenge as this is a rapidly growing area of N Scale model railroading.