FOI request detail

Signal Failures

Request ID: FOI-2430-1718
Date published: 11 December 2017

You asked
Please confirm how many separate instances of signal failure there were on the London Underground network during the month of October. Please also separately provide the same data for the months August and September respectively.

We answered

Our Ref:          FOI-2430-1718

Thank you for your request received on 27 November 2017 asking for information about signal failures.

Your request has been considered in accordance with the requirements of the Freedom of Information Act and our information access policy. I can confirm we do hold the information you require.

Please find the requested information in the table below:

 August September October Grand Total
Number of incidents 148 141 179 468

Please note that the figures above are all incidents allocated to the signals, this does not include any signal failures allocated to the track, power issues, or Network Rail.

If this is not the information you are looking for please feel free to contact me.

Please see the attached information sheet for details of your right to appeal.

Yours sincerely

Gemma Jacob
FOI Case Officer
FOI Case Management Team
General Counsel
Transport for London

[email protected]

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