There are model railroad "forums" (discussions about model railraod topics) on the Internet. Two of the older and larger ones are named "Delphi" and "CompuServe's TrainNet".
On these forums you can read messages from other model railroaders and reply to them.
To look at the Delphi Railroad Forum:
To sign up to join the FREE Delphi Railroad Forum:
To look at CompuServe's TrainNet Forum:
To look at rec.models.railroad: