Noise testing of public announcements at London Underground’s Harrow on the Hill Station.
Request ID: FOI-2403-2324 Date published: 06 November 2023
You asked
1) When did Harrow on the Hill station last test the live public announcements to ensure that they are no more than 10dB(A) above the ambient noise in the area?
2) What were the results of this test? What was the precise decibel range above the ambient noise?
We answered
TfL Ref: FOI-2403-2324
Thank you for your request which we received on 10 October 2023.
Your request has been considered in accordance with the requirements of the Environmental Information Regulations (EIRs) and our information access policy. I can confirm that we hold some of the information you require. You asked:
1) When did Harrow on the Hill station last test the live public announcements to ensure that they are no more than 10dB(A) above the ambient noise in the area?
TfL’s engineers attended to test the system last week and found some fault with the PA equipment.
2) What were the results of this test? What was the precise decibel range above the ambient noise?
Repair works are currently ongoing to repair the fault. I am told that no decibel reading has been given at present.
Please see the attached information sheet for details of your right to appeal as well as information on copyright.
Yours sincerely
Eva Hextall FOI Case Management Team General Counsel Transport for London
