The MADModules Standards Documents may be freely downloaded here. Please note that as of February 2, 2009, the standards and specifications are under review, and will soon be updated. Rest assured that any changes to the specifications will be backwards-compatible with the specifications presented here:
Mid-Atlantic On30 Standards Full Rev1
MADModules February 2, 2009 Update
We have been working with Kevin Hunter, and will be including his sectional railroad guidelines as an adjunct specification in the next revision of the MADModules Standards. For now, a PDF of the most recent version of his specification is included here:
Berrett Hill Sectional Guideline
For those interested in building a super-simple 2′x4′ module frame that is “on spec” for a basic MADModule, the following PDF offers a simple, proven plan.