Automatic train protection

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File:DR2700-10706333156.jpg
ATP switchboard in a Taiwan Railways Administration DR2700 series carriage
File:GWR HST ATP notice 1 (cropped).jpg
Automatic Train Protection notice on a First Great Western InterCity 125

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

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References

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