Transit engine
Trains, tracks, stations, signalling, route maps, and timetables — the core systems FoundryMTR is built on.
The mod
MTR-NextGen
The transit engine behind FoundryMTR — the successor to Minecraft Transit Railway that powers every line you ride and build.
MTR-NextGen 4.1.0 beta channel Minecraft 1.21.4
What it adds
More than a train mod
Performance focus
NextGen rebuilds the classic MTR systems for modern Minecraft and large player-built networks.
Server integration
Tuned to run as the shared backbone of the FoundryMTR world, not just a client toy.
Launcher-distributed
Shipped as part of the FoundryMTR modpack — the launcher installs the exact pinned build.
Compatibility
| MTR-NextGen | 4.1.0 beta |
|---|---|
| Minecraft | 1.21.4 |
| Fabric loader | 0.19.3 + Fabric API |
| Client required | Yes |
| Server required | Yes |
| Launcher-distributed | Yes — in the FoundryMTR modpack |
Release status
| Modpack version | v1.0.9 |
|---|---|
| In launcher modpack | Yes |
| Public download | Not published separately |
MTR-NextGen is distributed through the launcher as part of the modpack. A standalone public download appears below only when one is released.
Public build
Standalone download
No standalone build published yet
MTR-NextGen ships inside the launcher modpack. If a separate public build is released it will appear here and on the downloads page with version, size, and SHA-256.