Prior to the introduction of cycle superhighway certain claims were made by TfL on the impact on traffic on Upper Thames St. Congestion now seems to be worse than predicted. Please supply any data or reports on the prediction v reality. If no analysis has been done, please let me know if it will be and if not, why not. Thank you

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Dear

TfL Ref: FOI-1235-1718 

Thank you for your email received by us on 22 August 2017 asking for information about predicted modelling and real life for East-West Cycle superhighway. Please accept my apologies for the delay in replying to you. 

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. You asked: 

 “Prior to the introduction of cycle superhighway certain claims were made by TfL on the impact on traffic on Upper Thames St. Congestion now seems to be worse than predicted. Please supply any data or reports on the prediction v reality. If no analysis has been done, please let me know if it will be and if not, why not.”

Please find attached our latest full assessment of both the East West and North South Cycle Superhighway that was presented to the Transport for London Surface Board on 28 March 2017. Recent monitoring data shows that central London segregated cycle lanes are moving five times more people per square metre than the main carriageway, with East West Cycle Superhighway seeing a more than 50 per cent increase the total mileage cycled. 

Since the attached paper was published we have carried out a more recent assessment of the East West Cycle Superhighway between Parliament Square and Tower Hill that shows further improvements to the motorised vehicles journey times. This can be found in the table below.

Direction	Modelled Journey Time	On Street Journey Time	Comments
Westbound AM	21 min	15-16 min	Further improved due to enhanced strategy and timing modifications.
Westbound PM	15 min	15-16 min	On target
Eastbound AM	12 min	15-20 min	Expected due to junction changes included after traffic modelling
Eastbound PM	13 min	25-30 min	Expected due to junction changes included after traffic modelling

  

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

Paulina Tuffour

FOI Case Officer

FOI Case Management Team

General Counsel

Transport for London

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