Offline routing bundles built from OpenStreetMap data. Mobile apps that need road-graph data without a network round-trip fetch these bundles directly from the GitHub Releases.
Latest bundles → Releases.
Stable URLs:
https://github.com/nufrus/viatlas/releases/latest/download/manifest.json
https://github.com/nufrus/viatlas/releases/latest/download/<region>-v<YYYY-MM>.srg2.zst
16 German Bundesländer. Additional regions added on request.
Each region is a single zstd-compressed binary file (.srg2.zst,
~5–8 MB per region). The decoder lives in the consuming application.
Rebuilt automatically on the 1st of each month from the latest Geofabrik OSM snapshot.
Data: © OpenStreetMap contributors, distributed under the Open Database License (ODbL) v1.0.