# Rail signal

*Source* · `src-factoriowiki-2026-rail-signal` · status: **n/a**

| field | value |
|---|---|
| kind | Encyclopedia / wiki |
| authors | Factorio Wiki contributors |
| venue | Factorio Wiki |
| date | 2026 |
| url | https://wiki.factorio.com/Rail_signal |
| accessed | 2026-10-24 |

## Notes

Rail signals divide track into blocks; a train reserves a block and the block's other entrance signals turn red; chain signals mirror the signal ahead so trains stop earlier; circuit conditions can force a signal red.

## Backlinks (computed)

**cited by:** [Factorio](../game/factorio.md)

## Citation

Factorio Wiki contributors (2026). *Rail signal*. Factorio Wiki https://wiki.factorio.com/Rail_signal

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Provenance: created in run `2026-10-24-catalog-gh`.