Dear Sean Longthorpe

TfL Ref: 2211-1819

Thank you for your email received by us on 21 November 2018 asking for
information about tube delays.

Your request has been considered in accordance with the requirements of
the Freedom of Information (FOI) Act and our information access policy. 

Unfortunately, from the description provided, we are unable to identify
the information you require.

To enable us to assist with your request, please provide a time frame for
your request together with any other details you think might help us
locate the information you require.

The Freedom of Information Act allows you to request recorded information
held by Transport for London. There are limits on the time that we are
required to spend determining whether we hold the information you are
requesting and the time spent locating, retrieving and extracting it.
Therefore you should identify the information that you want as clearly and
concisely as you can, specifying the types of document that you are
looking for. You might also consider limiting your request to a particular
period of time, geographical area or specific departments of the
organisation.

Although your request can take the form of a question, rather than a
request for specific documents, we do not have to answer your question if
it would require the creation of new information or the provision of a
judgement, explanation, advice or opinion that was not already recorded at
the time of your request.

Please note that the 20 working day deadline for responding to your
request will depend on when we receive satisfactory additional
information to help clarify your request.  

If we hear nothing further from you by 14 December your response will be
treated as a new request.

In the meantime, if you have any queries or would like to discuss your
request, please do not hesitate to contact me.

Yours sincerely

Sara Thomas

FOI Case Management Team

General Counsel

Transport for London

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Dear Mr Longthorpe

TfL Ref: 2211-1819

Thank you for your clarification of the timeframe for your request
received by Transport for London (TfL) on 23 November 2018.

Your request will be processed by TfL, the Greater London Authority and
its subsidiaries to provide you with a response in accordance with the
Freedom of Information Act 2000 and our information access policy.

A response will be sent to you by 24 December. We publish a substantial
range of information on our website on subjects including operational
performance, contracts, expenditure, journey data, governance and our
financial performance. This includes data which is frequently asked for in
FOI requests or other public queries. Please check
[1]http://www.tfl.gov.uk/corporate/transpar... to see if this helps you.

We will publish anonymised versions of requests and responses on the
[2]www.tfl.gov.uk website. We will not publish your name and we will send
a copy of the response to you before it is published on our website.

In the meantime, if you would like to discuss this matter further, please
do not hesitate to contact me.

Yours sincerely

Sara Thomas

FOI Case Management Team

General Counsel

Transport for London

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Dear Mr Longthorpe

TfL Ref: 2211-1819

Thank you for your email received by us on 21 November 2018 asking for
information about tube delays

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

Unfortunately, to provide the information you have requested would exceed
the ‘appropriate limit’ of £450 set by the Freedom of Information
(Appropriate Limit and Fees) Regulations 2004.

Under section 12 of the FOI Act, we are not obliged to comply with a
request if we estimate that the cost of determining whether we hold the
information, locating and retrieving it and extracting it from other
information would exceed the appropriate limit. This is calculated at £25
per hour for every hour spent on the activities described.

For the first part of your request a specific report (called BOXI) will
need to be processed per station to retrieve the data you are requesting. 
It takes approximately 10 minutes to collate 1 month's worth of data at 1
station which includes extracting, sorting and checking data e.g. to
ensure engineering trains are not included, to check the correct format
and so on.   This report would need to be run 12 times to extract 1 year's
worth of data at 1 station.  To capture 1 year's worth of data across the
entire LU network this process would need to be repeated to ensure all 270
stations data has been captured.  It takes 2 hours to complete 1 year's
worth of data at 1 station therefore 2 hours multiplied by 270 stations is
540 hours.  For the second part of this request the data is available in a
suitable format and can be provided in approximately an additional 1
hour.  Therefore this FOI would take a total of 541 working hours to
fulfil.

To help bring the cost of responding to your request within the £450
limit, you may wish to consider narrowing its scope so that we can more
easily locate, retrieve and extract the information you are seeking. If
you want to refine your request or make a Freedom of Information Act
request in future, please bear in mind that the Freedom of Information Act
allows you to request recorded information held by us. You should identify
the information that you want as clearly and concisely as you can,
specifying the types of document that you are looking for. You might also
consider limiting your request to a particular station and period of time.

Although your request can take the form of a question, rather than a
request for specific documents, we do not have to answer your question if
it would require the creation of new information or the provision of a
judgement, explanation, advice or opinion that was not already recorded at
the time of your request.

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

Yours sincerely

Sara Thomas

FOI Case Management Team

General Counsel

Transport for London

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Dear Mr Longthorpe

TfL Ref: 2355-1819

Thank you for your further email received by us on 6 December 2018 asking
for information about tube delays.

Your request has been considered in accordance with the requirements of
the Freedom of Information (FOI) Act and our information access policy. 

Unfortunately, from the description provided, we are unable to identify
the information you require.  

To enable us to assist with your request, please can you clarify the dates
you are asking for the information for as I think you have made a typo
error.

The Freedom of Information Act allows you to request recorded information
held by Transport for London. There are limits on the time that we are
required to spend determining whether we hold the information you are
requesting and the time spent locating, retrieving and extracting it.
Therefore you should identify the information that you want as clearly and
concisely as you can, specifying the types of document that you are
looking for. You might also consider limiting your request to a particular
period of time, geographical area or specific departments of the
organisation.

Although your request can take the form of a question, rather than a
request for specific documents, we do not have to answer your question if
it would require the creation of new information or the provision of a
judgement, explanation, advice or opinion that was not already recorded at
the time of your request.

Please note that the 20 working day deadline for responding to your
request will depend on when we receive satisfactory additional
information to help clarify your request.  

If we hear nothing further from you by 28 December your response will be
treated as a new request.

In the meantime, if you have any queries or would like to discuss your
request, please do not hesitate to contact me.

Yours sincerely

Sara Thomas

FOI Case Management Team

General Counsel

Transport for London

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Dear Mr Longthorpe

TfL Ref: 2355-1819

Thank you for your request received by Transport for London (TfL) on 7
December 2018 asking for information about total tube train delays for
each station, preferably in minutes and broken down by date between
01-November-2017 to 31-October-2018.

Your request will be processed by TfL, the Greater London Authority and
its subsidiaries to provide you with a response in accordance with the
Freedom of Information Act 2000 and our information access policy.

A response will be sent to you by 10 January 2019. We publish a
substantial range of information on our website on subjects including
operational performance, contracts, expenditure, journey data, governance
and our financial performance. This includes data which is frequently
asked for in FOI requests or other public queries. Please check
[1]http://www.tfl.gov.uk/corporate/transpar... to see if this helps you.

We will publish anonymised versions of requests and responses on the
[2]www.tfl.gov.uk website. We will not publish your name and we will send
a copy of the response to you before it is published on our website.

In the meantime, if you would like to discuss this matter further, please
do not hesitate to contact me.

Yours sincerely

Sara Thomas

FOI Case Management Team

General Counsel

Transport for London

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Dear Mr Longthorpe

TfL Ref: 2355-1819

Thank you for your refined and clarified request received by Transport for
London (TfL) on 7 December 2018 asking for information about total tube
train delays for each station broken down by date between 01-November-2017
to 31-October-2018.

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

Please see attached which shows primary delays at each station. Please
note this data does not include secondary delays (i.e. those which are a
result of other incidents).

If this is not the information you are looking for, or if you are unable
to access it for any reason, please do not hesitate to contact me.

Please see the attached information sheet for details of your right to
appeal as well as information on copyright and what to do if you would
like to re-use any of the information we have disclosed.

Yours sincerely

Sara Thomas

FOI Case Management Team

General Counsel

Transport for London

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