FOI request detail

bus speeds routes N85, 493, 170 and 85

Request ID: FOI-3411-2324
Date published: 29 December 2023

You asked

F/O from 3112-2324 thank you very much however your data shows top speeds for some routes as: • Route N85: 624.1 mph • Route 493: 387.0 mph • Route 170: 129.0 mph • Route 85: 387.0 mph this cannot be right, please let me know which data is is accurate so that i can do further analysis

We answered

TfL Ref: 3411-2324

Thank you for your further email received by Transport for London (TfL) on 19 December 2023 as below asking for information about bus speeds.

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 could you provide the bus speed for routes 85, N85, 170 and 493 between stops Dover Park Drive, Exeter House and Hayward Gardens.

Do not include stationary times and if sharing average please only share average moving speed. I would like you to provide the top speed reached between these stops by day for each hour for 1 month where there were not construction or roadworks on this part of the route.

Please see attached the revised iBus data for routes 85/N85, 170 and 493, between stops Dover Park Drive, Exeter House and Hayward Gardens as requested. The files show bus speed data for each route, in each direction, for the stops specified. Data is available for the last two years only. Please widen the columns to see the data within, where necessary. There were some data abnormalities in the previous versions, which have now been removed.

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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