All engine maintenance or testing shall be done on a test track. The use of the operating module main tracks to test locomotives is prohibited. All set up and tear down of trains to be done in the yard area, not in public view on the mainline. Public view layout to be kept clean, neat, and free of foreign objects. If working on the scenery on a module, have the materials laid out on a separate table, not on the module.
Trains are to be run at a prototypical scale speeds.
No running of trains at unrealistically slow speeds or excessively high speeds. No articles to be transported by running trains that would not be considered prototypical. Trains to be under observation at all times by their operator. If the operator is stationary the train must be under observation by as many observers as required by the size of the modular layout. Modules with separately operated branch lines to be operated only with permission of the modules owner.