# Integra-Signum

> train protection system

**Wikidata**: [Q355627](https://www.wikidata.org/wiki/Q355627)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Integra-Signum)  
**Source**: https://4ort.xyz/entity/integra-signum


## References

1. Freebase Data Dumps. 2013
2. Quora