Could I please see the Piccadilly line performance data monthly for the last three years. In particular I would like to see the proportion of trains which run a delayed service and the average gap between train services, also shown monthly over the last three years. Could you also please tell me how many full-time drivers were employed by TfL on the Piccadilly line for each month over the last three years.

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TfL Ref: FOI-0873-1819

Thank you for your request received by Transport for London (TfL) on 2 July 2018 asking for information about the Piccadilly Line.

Your request has been processed in accordance with the requirements of the Freedom of Information Act and our information access policy. I can confirm we do hold the information you requested. You asked:

Could I please see the Piccadilly line performance data monthly for the last three years. In particular I would like to see the proportion of trains which run a delayed service and the average gap between train services, also shown monthly over the last three years.

Please find attached data that shows the number of train service delays on the Piccadilly line for the last three years. Unfortunately it is not possible to accurately show what proportion these delays make up of all train journeys as a single disruption could impact multiple trains and journeys.

Also attached is data covering the average gap between trains. Please note that we can only supply this information by period. Please also note that the gaps are in decimal minutes - so 4.75 mins would equal 4 mins 45 seconds.

Could you also please tell me how many full-time drivers were employed by TfL on the Piccadilly line for each month over the last three years.

Please find this information in the table below. This is based on FTE (full-time equivalent). A FTE converts the hours worked by several part-time employees into the hours worked by full-time employees to see how many full-time staff they equate to; hence, in this case there are decimals rather than integers.

	FY- 2015/16
Org unit code	25/04/2015	30/05/2015	27/06/2015	25/07/2015	29/08/2015	26/09/2015	31/10/2015	28/11/2015	26/12/2015	30/01/2016	27/02/2016	26/03/2016
Pic Line Day Tube	532.3	537.8	536.3	536.8	530.3	535.0	543.5	542.5	540.5	535.1	535.6	528.6
	FY- 2016/17
Org unit code	30/04/2016	28/05/2016	25/06/2016	30/07/2016	27/08/2016	24/09/2016	29/10/2016	26/11/2016	31/12/2016	28/01/2017	25/02/2017	25/03/2017
Pic Line Day Tube	532.1	531.6	528.2	533.6	530.6	524.1	521.1	520.1	518.1	513.6	512.6	512.1
	FY- 2017/18
Org unit code	29/04/2017	27/05/2017	24/06/2017	29/07/2017	26/08/2017	30/09/2017	28/10/2017	25/11/2017	30/12/2017	27/01/2018	24/02/2018	31/03/2018
Pic Line Day Tube	506.5	504.1	512.1	520.7	527.7	529.1	528.5	522.9	519.3	514.1	509.2	514.2
Please note that these figures are for Day Tube Train Operators and include some part-timers, and job-shares.

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

Yours sincerely,

Melissa Nichols

FOI Case Officer

FOI Case Management Team

General Counsel

Transport for London

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