TRUST

Computer system for tracking trains

This article is about a train monitoring system. For other uses, see Trust (disambiguation).

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TRUST (Train Running Under System TOPS) is a Network Rail computer system used for monitoring the progress of trains and tracking delays on Great Britain's rail network.[1] It compares actual train movement events with those planned, allowing delays to be recorded with explanations as to the cause allowing the operation of an incentive scheme to reduce delays.[2]

TRUST is used to record when a train passes a measuring point, which can be used to identify delays, and the cause of the delays.[3] It is based on the TOPS mainframe-based computer system. [4]

TRUST data is part of Network Rail's open data feed, which is publicly-available to encourage innovation in customer information both inside and outside the railway industry. Such data is used by various websites and companies as a source for train movements and cancellations in a variety of applications. A similar computer system is Darwin, from the Rail Delivery Group.[5]

## See also

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* Rail signaller

## References

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1. ^ "Trust | Safety Central". safety.networkrail.co.uk. 19 May 2016. Retrieved 16 December 2018.
2. ^ "Network Rail Catalogue of Railway Code Systems" (PDF). 30 October 2015. p. 12\. Archived from the original (PDF) on 16 December 2018. Retrieved 16 December 2018.
3. ^ Rail Delivery Group (2020). "Delay Attribution Review" (PDF). ORR. Retrieved 7 August 2022.
4. ^ Gwynne, Robert (2021). "A long engagement: railways, data and the information age". Science Museum Group Journal. 16 (16). doi:10.15180/211603. ISSN 2054-5770. Retrieved 7 August 2022.
5. ^ "TRUST vs Darwin - Open Rail Data Wiki". wiki.openraildata.com. Retrieved 7 August 2022.

## External links

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* TRUST user guide from 2011 released following a Freedom of Information Request

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