The Operations Special Interest Group (OpSIG) enhances model railroading by promoting realistic railroad operations, focusing on freight movement and realistic scheduling. With resources like a quarterly magazine and an Achievement Program, OpSIG fosters learning and community engagement, appealing to enthusiasts of all experience levels while emphasizing the transformative nature of operational layouts.

On April 18, 2026, a few members enjoyed a day centered around two historic railroad stations in northeastern Maryland, each offering a unique look at the region’s rich railroad heritage. […]