Operations Special Interest Group

The Operations Special Interest Group (OpSIG) is dedicated to the art and practice of realistic model railroad operations. Their publications cover car forwarding, timetable and train order operation, layout design for operations, and the prototype practices that inspire serious operators. An essential resource for modelers who want to run their layouts the way the prototype did.

A Compendium of Model Railroad Operations: From Design to Implementation - Arizona Hobbies LLC
Operations Special Interest Group
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