FOI request detail

which London Underground lines use MPH?

Request ID: FOI-2720-2324
Date published: 14 November 2023

You asked
Dear Transport for London, Please would it be possible to know which London Underground lines use MPH? Clarification: What i mean is does London Understand use miles per hour as a measurement for line speeds ?

We answered

TfL Ref: 2720-2324

Thank you for your clarified request received by Transport for London (TfL) on 6 November 2023 as below.

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: Please would it be possible to know which London Underground lines use Miles Per Hour (MPH) as a measurement for line speeds.

All our Tube lines use speed calculations in mph.

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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