Welcome to the new OPSIG web site! There are probably a few rough edges from the construction work, so please pass comments to webmaster@OPSIG.org.

Please note that the email address published in the January DO for the Chicago contact at the NMRA National Convention, Mike Ritschdorff, was incorrect. Mike's correct address is nwpoca@hotmail.com

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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! Information for members of the OPSIG.

OPSIG Clothing

Show off you organization with stylish and handy OPSIG clothing.