FOI request detail

Audit and Review of ULEZ

Request ID: FOI-4435-2324
Date published: 25 March 2024

You asked

Dear Transport for London, The Surveillance Camera Code of Practice has Principle 10. There should be effective review and audit mechanisms to ensure legal requirements, policies and standards are complied with in practice, and regular reports should be published. You are bound by statute law to follow the code of practice. Please supply the last 3 years audit and review documents. "A system operator should make a summary of such a review available publicly as part of the transparency and accountability for the use and consequences of its operation. " Is also part of Principle 10.

We answered

TfL Ref: 4435-2324

Thank you for your request received by Transport for London (TfL) on 28 February 2024 asking for information about Audit and Review of ULEZ systems.

Your request has been considered in accordance with the requirements of the Environmental Information Regulations (EIR) and our information access policy.  I can confirm TfL does hold the information you require.

Our Data Protection Impact Assessments are all available on the Road User Charging pages of our website using the following link: https://tfl.gov.uk/corporate/privacy-and-cookies/road-user-charging,

TfL followed the required Data Protection Impact Assessment (DPIA) process and the DPIA sets out how the scheme operates, in accordance with data protection legislation and in particular how we minimise data collection from ANPR cameras, how data will be used, how we keep it secure and how it may be shared.

You may also be interested in the following response to a previous request published on our website here: https://tfl.gov.uk/corporate/transparency/freedom-of-information/foi-request-detail?referenceId=FOI-3446-2324

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


Sara Thomas
FOI Case Management Team
General Counsel
Transport for London

Back to top

Want to make a request?

We'll email you the response within 20 working days.


We'll publish the response online without disclosing any personal information.