FOI request detail

Traffic count data for Marylebone Road

Request ID: FOI-1839-2122
Date published: 01 December 2021

You asked

Dear TFL, I am a student at the University of xxxx completing my Bachelors degree in Environmental Sciences, and I am writing a statistical report on air quality on Marylebone Road, London. Could you please provide me with hourly traffic counts of Marylebone Road near the air quality monitoring site (at Grid Ref (528125,182016), between 1/1/2015 and 31/12/2019?

We answered

TfL Ref: 1839-2122

Thank you for your request received by Transport for London (TfL) on 16 November 2021 asking for information about traffic counts on Marylebone Road.
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.

Attached is ATC 227 Marylebone Road with hourly data by direction from 01/01/2015 to 31/12/2019. The data is from our patched database which ingests the raw data at the most granular level and where required will populate any gaps within the data, (due to telecoms issues or physical damage to a site) with a substitution value based on historic data, substitution tables are created every month to keep them as up to date as possible, and therefore providing the ability to produce long term consistent trends for any given site within the network.

There is a site location map within the spreadsheet which shows where the site is on Marylebone Road.

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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