Key information
Request reference number: MGLA280723-2956
Date of response:
Summary of request
Your request
You have made a number of statements to the effect that 9 out of 10 vehicles comply
with the expanded ULEZ.
I would be obliged if you could inform me how you arrived at this figure.
Our response
This information is publicly available.
Transport for London (TfL) estimates that 9 in 10 cars seen driving in outer London on an
average day meet the ULEZ standards. This figure includes all vehicles seen driving in the zone, regardless of where they are registered.
More information about how TfL measures compliance is available on its website.
If you have any further questions relating to this matter, please contact us, quoting
reference MGLA280723-2956.