TfL Ref: FOI-0666-1819

Thank you for your email received by Transport for London (TfL) 12 June on 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 we hold some of the information you require. You asked:

If possible, could you please provide me the hourly traffic flow counting data of Greater London (from April to October) of 2010-2016, at each hour? If the data is too large, just 10pm-6am.

Traffic monitoring that we undertake, representing all roads in Greater London, is undertaken through our cordon and screenline survey programme. One of the strategic cordons we measure represents the number of vehicle crossing the Greater London Authority boundary. The table below provides a summary of all motor vehicle traffic crossing the boundary cordon by time of day and direction, from 1971 to 2015.
 
The time periods represented in the table are as follows; 

Morning peak: 7:00am – 10:00am
Off peak: 10:00am – 4:00pm
Evening peak: 4:00pm – 7:00pm
Late evening: 7:00pm – 0:15am
Night: 0:15am – 7:00am
Daytime: 7:00am – 7:00pm 

Since 2007 the boundary cordon has been surveyed once every two years. Summery counts for the 2017 survey will be released once the counts have been validated. 

Figures for road traffic volumes on all roads within London are collected and reported through the DfT National Road Traffic count programme. This can be accessed through the following website: https://www.gov.uk/government/collections/road-traffic-statistics

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

Eva Hextall
FOI Case Officer

FOI Case Management Team
General Counsel
Transport for London
 

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