The standards: The Berrett Hill Sectional Guidelines (PDF)

Existing modular standards weren’t suitable for the sectional On30 layout I was planning, so I developed these.

I developed mating surfaces similar to those used by the North Carolina Sipping and Switching Society. They are designed for a precise alignment, and run their rails right out to the surface of the end plate. Getting the construction right can be a little tricky, but the result is a fit that you can mate up very quickly and (perhaps) even after you've been sipping.

I’ve included a new rule that lets curves run right to the end of the section, and still lets sections be connected in almost any order without making "S" curves.

A minimal transition is included that let my sectional units link to standard Mid-Atlantic On30 Modules. Similar transition units could link to Texas Outlaw, or any other standard.

These guidelines are just what worked out for me. Please feel free to mix, match, alter, and in any other way use them for yourself. Contact me if you have questions. Find the info at:

Berrett Hill Trains :: www.berretthill.com/trains