TfL Ref: FOI-0085-2021 Thank you again for your request received by Transport for London (TfL) on 7 April 2021. 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. You asked: 1) What percentage of electric public transport are currently running through our red routes in central London at present? This information is available on the TfL website here and here. 2) When are you envisage to achieve local zero emission transport zones in central London? The Mayor, through TfL and the boroughs, and working with Government, seek to implement zero emission zones in town centres from 2020 and aim to deliver a zero emission zone in central London from 2025, as well as broader congestion reduction measures to facilitate the implementation of larger zero emission zones in inner London by 2040 and London-wide by 2050 at the latest. More information on Zero Emission Zones is available on the TfL website here. 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 Management Team General Counsel Transport for London