The MSTS addon community created tens of thousands of freeware assets. Many of the most talented modelers, route builders, and physics experts later moved to (an open-source MSTS-compatible simulator) or became professional contractors for Dovetail Games (Train Simulator Classic).
: Collections of specific engine types (e.g., SD40-2, GP40-2) with authentic cab views and radio chatter. Activity Packs MSTS - Addon - Routes and Trains -5 of 6-