Where can I find my Sid Meier's Railroads save games?
Saved games are stored in a special folder within the current user's My Documents folder. This folder can be located by navigating to "My Documents," then selecting "My Games," and finally selecting "Sid Meier's Railroads!."
Railroads! saved games have the extension ".SMRailroadsSavedGame". You may copy or delete these files as you would any other files.
Double-clicking a saved game will launch the game and load that saved game.