Many custom routes utilize advanced track geometries and highway layouts not found in the base game. Installing the latest versions of XTracks and NewRoads is required for the vast majority of freeware routes. The Modern Frontier: Open Rails Compatibility
: High-speed passenger operations connecting Washington, D.C. to Philadelphia, featuring the iconic Acela Express.
Websites like TrainSim.com, UKTrainSim, and Elvas Tower became massive repositories for thousands of custom routes. Community creators developed crucial external tools to bypass the limitations of the notoriously unstable default editor:
: A highly regarded, updated version of the original default route that fixes many initial errors. msts routes
A vital tool for large collections. It "hides" routes and trains you aren't currently using from the simulator, drastically reducing load times and preventing memory-related crashes.
Open Rails allows these old routes to run at high resolutions with better frame rates. Modern Features:
Microsoft Train Simulator (MSTS) routes consist of the original default paths included with the 2001 game and a massive library of community-created "freeware" and "payware" content. Today, most users run these routes using the modern Open Rails engine, which is backwards compatible with MSTS files. Finding and Downloading Routes Many custom routes utilize advanced track geometries and
Pre-programmed scenarios with AI trains, signals, and objectives.
Building or modifying an MSTS route required an understanding of how the simulator structured its data. A standard route consists of several interconnected folders and file types:
While the default routes provided a solid foundation, they had limitations in accuracy, scenery density, and track geometry. The community quickly stepped in, utilizing the included Route Editor tool to build custom creations. Community Freeware Masterpieces to Philadelphia, featuring the iconic Acela Express
The true magic of MSTS is found in its massive freeware and payware ecosystems. Over twenty-five years, independent developers have mapped thousands of real-world lines across the globe. North American Subdivisions
A mountainous Japanese route on Kyushu Island, showcasing the unique commuter operations of the Kyushu Railway Company (JR Kyushu).
: Upgraded, community-patched versions of the original default routes available in the TrainSim File Library that fix historical track inaccuracies and add realistic scenery. European and Swiss Networks
When installing Open Rails, you simply point it to your existing MSTS directory. 6. Where to Find Free MSTS Routes
By the late 2000s, the aging MSTS game engine struggled to run on modern Windows operating systems. It also frequently crashed when trying to load heavily detailed, modern routes. Enter —an open-source, modern simulator engine built from scratch to be backward compatible with MSTS content.