Could you please provide me with the daily operational performance review documents relating to London Underground performance from 01/01/2019-01/05/2019.

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TfL Ref: 0329-1920

Thank you for your request received by Transport for London (TfL) on 30 April 2019 asking for copies of our daily operational performance review documents relating to London Underground performance from 01/01/2019-01/05/2019.

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.

However, we are refusing your request under section 14(1) of the Act. After reviewing a sample of our records we consider that providing the requested information would place an unreasonable burden on TfL. Our principal duty is to provide an effective transport service for London and we consider that answering this request would represent a disproportionate effort. It would be a significant distraction from our work managing the TfL network, requiring re-allocation of already limited resources and placing an unacceptable burden on a small number of personnel. We do wish to clarify that whilst we consider that your request falls under section 14(1) of the FOI Act, this does not reflect a conclusion that it has been your intention to deliberately place an undue burden on our resources.

The Information Commissioner’s Office (ICO) guidance provides the following examples of a request which may fall under section 14(1):

- Imposes a burden by obliging the authority to sift through a substantial volume of information to isolate and extract the relevant details;

- Encompasses information which is only of limited value because of the wide scope of the request;

- Creates a burden by requiring the authority to spend a considerable amount of time considering any exemptions and redactions.

Our view is that the second, and particularly the third of these examples apply in this instance. Of the 120 days worth of daily operational performance reports covering the period 1 January 2019 to 1 May 2019 there are around 600 separate pages that fit within the scope of your request. If we allow 3 minutes on average to review each page to identify and remove any personal information and make redactions to information that could endanger the health and safety of individuals, or threaten the security of the network, this would constitute more than 30 hours work and this would therefore be a significant task. Whilst we recognise the requested information will be of interest to some people, we do not consider that the wider public interest is served by the diversion of resources that would be necessary to answer this one request.

We consider the burden of reviewing and redacting the information would be disproportionate to the benefit of providing it. Therefore, due to the wide and unfocused scope of your request, we are refusing it under s.14 of the FOI Act. If you would like to re-submit a more focused, specific request then we will, of course, consider it.

We apologise that we are unable to assist you on this occasion.

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

Yours sincerely

Sara Thomas | FOI Case Officer

General Counsel | Transport for London

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