Welcome to the web presence of the Operations Special Interest Group (OPSIG)! We're constantly evolving to serve our members better, so please pass comments to webmaster@OPSIG.org.

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About OPSIG

Our mission, structure and contact information.

Dispatcher's Office

The quarterly journal of the OPSIG.

Resources

Answers to Frequently Asked Questions, pointers to Internet information, and more.

Coming Events

Operation-oriented events open to all model railroaders.

Members Only

Password required (check the inside front cover of the latest DO journal)! Information for members of the OPSIG, including the Call Board - a list of layouts welcoming operators!

OPSIG Clothing

Show off your organization with stylish and handy OPSIG clothing.