# railway vacancy detection
**Wikidata**: [Q1530516](https://www.wikidata.org/wiki/Q1530516)  
**Source**: https://4ort.xyz/entity/railway-vacancy-detection


## References

1. [Source](http://wiki.openstreetmap.org/wiki/DE:OpenRailwayMap/Tagging#Gleisfreimeldeanlage)