Article · Wikipedia archive · Last revised Jun 3, 2026

Automatic train protection

Automatic train protection (ATP) is the generic term for train protection systems that continually check that the speed of a train is compatible with the permitted speed allowed by signalling, including automatic stop at certain signal aspects. If it is not, ATP activates an emergency brake to stop the train.

Last revised
Jun 3, 2026
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≈ 1 min
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Source
ATP switchboard in a Taiwan Railways Administration DR2700 series carriage source ↗
Automatic Train Protection notice on a First Great Western InterCity 125 source ↗

Automatic train protection (ATP) is the generic term for train protection systems that continually check that the speed of a train is compatible with the permitted speed allowed by signalling, including automatic stop at certain signal aspects. If it is not, ATP activates an emergency brake to stop the train.1

See also

See also

References

References

  1. "ERA Glossary". ERA.Europa.eu. Archived (PDF) from the original on 6 May 2017. Retrieved 18 July 2023.