Short description of RRTrains 2000 2.7: RRTrains 2000 is a small program used to create a detailed inventory of your model railroad collection. RRTrains 2000 will record information about each locomotive and piece of rolling stock in your collection. Along with catalog and model information, you can also record acquisition dates, prices and current values. Several inventory reports can be generated and printed, an option is also included to print lists of items for sale.