FOI request detail

Cancelled or significantly delayed trains to/from Chesham in the last five years.

Request ID: FOI-0712-2122
Date published: 21 July 2021

You asked

Hello. Could I please know how many trains have been cancelled or significantly delayed (30+ mins) departing or arriving into Chesham Underground Station in the last five years? I would like to know dates and times of said cancellations or significantly delayed trains? Many thanks.

We answered

Our ref: FOI-0712-2122/GH

Thank you for your request received by Transport for London (TfL) on 9 July 2021 asking for information about cancelled or significantly delayed trains to/from Chesham in the last five years.

Your request has been considered under the requirements of the Freedom of Information Act 2000 and our information access policy.

Unfortunately we do not hold the information you require – we do not hold the data which allows us to report on the trains to/from Chesham that you have requested. When a train is cancelled or withdrawn, we only record where it was located when it was withdrawn or cancelled – for example in the depot. The recorded information does not tell us if it was a Chesham train or not.  Similarly when we record disruptions on the network we record where the disruption occurred such Harrow on the Hill, as opposed to the locations that may have been impacted as a consequence – such as Chesham.

We had hoped to use data from the signalling system to provide you with arrivals/departures data, but the data feed for Chesham is unfortunately unreliable. We hope to resolve this problem in the future when the signalling is upgraded.

I am sorry we are unable to provide you with the information you have requested on this occasion.

If you are not satisfied with this response please see the attached information sheet for details of your right to appeal.

Yours sincerely

Graham Hurt
FOI Case Officer
FOI Case Management Team
General Counsel
Transport for London
 

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