# semaphore signal

> type of mechanical railway signal

**Wikidata**: [Q575211](https://www.wikidata.org/wiki/Q575211)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Railway_semaphore_signal)  
**Source**: https://4ort.xyz/entity/semaphore-signal


## References

1. Freebase Data Dumps. 2013