Editing Automatic train protection (section)

{{short description|System installed in trains to prevent collisions through driver error}}
{{Use dmy dates|date=February 2020}}
{{for|British Rail's implementation of ATP|Automatic Train Protection (United Kingdom)}}

[[File:DR2700-10706333156.jpg|thumb|ATP switchboard in a [[Taiwan Railways Administration]] [[Taiwan Railway DR2700 series|DR2700 series]] carriage]]
[[File:GWR HST ATP notice 1 (cropped).jpg|thumb|Automatic Train Protection notice on a [[First Great Western]] [[InterCity 125]]]]
'''Automatic train protection''' ('''ATP''') is the generic term for [[train protection system]]s 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 (train)|emergency brake]] to stop the train.<ref>{{Cite web|url=https://data.europa.eu/data/datasets/era-glossary-of-railway-terms?locale=en|title=ERA Glossary|website=ERA.Europa.eu|access-date=18 July 2023|url-status=live|archive-url=https://web.archive.org/web/20170506005106/http://www.era.europa.eu/Document-Register/Documents/Glossary%20of%20railway%20terminology-selection-%20EN-FR-DE.pdf.pdf|archive-date=6 May 2017}}</ref>