There's an interesting article in today's Wall Street Journal. Entitled "Railroad Buffs Get Stoked by Riding Obscure Routes," it's about railfans who whose hobby is to ride as many different rail routes as possible. As the article explains, less than 20% of the nation's rail mileage is traversed by passenger service, so riding freight only lines can be a real challenge. This might be a great way for your railroad to earn some extra $$$. All you need is another figure in the cab.
Here's the link: