Thank you for your emails received by us on 14 April, 10 and 22 May 2017 asking for information about negative balances and incomplete journeys on the London Underground network.
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 the information you require.
The information you asked for is available on our website using the following links:
https://tfl.gov.uk/corporate/publications-and-reports/oyster-card#on-this-page-5
https://tfl.gov.uk/cdn/static/cms/documents/analysis-of-oyster-pay-as-you-go-journeys.xlsx
In accordance with section 21 of the FOI Act, we are not obliged to supply you with a copy of the requested information as it is already accessible to you elsewhere.
If this is not the information you are looking for, or if you are unable to access it for some 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
Jasmine Howard
FOI Case Officer
Information Governance
Transport For London