In the last two months, residents along and beside Chalk Farm Road have experienced increased noise and vibration in their homes and buildings from the trains running along the Northern Line between Camden Town and Chalk Farm tube stations. This is a new development and has not been experienced by residents who have lived here for the last 20 years. Therefore you will need to disclose: - what changes to the service, tunnels, trains, equipment and systems connected to the Northern Line have been made during 2020? - what information do you have about the Northern Line on the Edgware branch that might be linked to an increase in noise and vibrations experienced by residents on and beside Chalk Farm Road? Thank you

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Our ref: FOI-1803-2021

Thank you for your request received by Transport for London (TfL) on 8 December 2020 asking for information about the Northern line.

Your request has been considered in accordance with the requirements of the Freedom of Information Act (FOIA) and our Information Access Policy. I can confirm we do hold the information you requested. You asked:

In the last two months, residents along and beside Chalk Farm Road have experienced increased noise and vibration in their homes and buildings from the trains running along the Northern Line between Camden Town and Chalk Farm tube stations.

This is a new development and has not been experienced by residents who have lived here for the last 20 years. Therefore you will need to disclose:

What changes to the service, tunnels, trains, equipment and systems connected to the Northern Line have been made during 2020?

• Service – The train service remains the same, there was a reduced time table earlier in the year but normal timetable has now resumed.
• Tunnels – The tunnels have not changed, the area of this complaint is just south of Chalk Farm station platforms.
• Trains – The trains have not changed, it is the same fleet of rolling stock that has been in operation for over 20 years.
• Equipment and systems connected to the Northern line – Nothing in this area has changed that would have any impact on noise and vibration.

What information do you have about the Northern Line on the Edgware branch that might be linked to an increase in noise and vibrations experienced by residents on and beside Chalk Farm Road?

We have noted that 2 new large buildings that have been built next to the Northern line tunnel this can alter the way vibrations and noise travel through the ground in the surrounding area.

If you are considering submitting a further FOI request please think carefully about whether the request is essential at this current time, as answering FOI requests will require the use of limited resources and the attention of staff who could be supporting other essential activity. Where requests are made, please note that our response time may be impacted by the current situation.

If this is not the information you are looking for, please do not hesitate to contact me.

Please see the attached information sheet for details of your right to appeal.

Yours sincerely,

Melissa Nichols

FOI Case Officer

General Counsel

Transport for London

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