Request ID: FOI-4088-2324 Date published: 29 February 2024
You asked
F/O from foi ref 3676-2324
Would it be possible to specify which three sections still operate at 630V nominal voltage?
We answered
TfL Ref: 4088-2324
Thank you for your follow on request from FOI ref 3676-2324 received by Transport for London (TfL) on 10 February 2024 asking for further information about voltage on the 4LM project.
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: Would it be possible to specify which three sections still operate at 630V nominal voltage?
The 630V nominal supply on the ‘subsurface lines’ remains between:
Finchley Road and Harrow-On-The-Hill
Barons Court and Ealing Broadway (excluding the branch between Gunnersbury and Richmond)
Harrow-On-The-Hill to Uxbridge
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