Please provide the following information: 1. The average actual length of time between a Southbound Bakerloo line train arriving at Paddington Underground Station and arriving at Oxford Circus Underground Station, for trains departing Paddington between 6am and 10am Monday to Friday. 2. The average actual length of time between an Eastbound Central line train arriving at Oxford Circus Underground Station and arriving at Stratford Underground Station, for trains departing Oxford Circus between 6am and 10am Monday to Friday. 3. The average actual length of time between a Northbound Bakerloo line train arriving at Oxford Circus Underground Station and arriving at Paddington Underground Station, for trains departing Oxford Circus between 4pm and 9pm Monday to Friday. 4. The average actual length of time between a Westbound Central line train arriving at Stratford Underground Station and arriving at Oxford Circus Underground Station, for trains departing Stratford between 4pm and 9pm Monday to Friday. 5. For both the Circle Line and the Hammersmith and City Line: The average actual length of time between Eastbound trains arriving at Paddington Underground Station and arriving at Liverpool Street Underground Station, for trains departing Paddington between 6am and 10am Monday to Friday. 6. For both the Circle Line and the Hammersmith and City Line: The average actual length of time between Westbound trains arriving at Liverpool Street Underground Station and arriving at Paddington Underground Station, for trains departing Liverpool Street between 4pm and 9pm Monday to Friday. 7. The number of occasions on which there have been delays (split between minor and severe) affecting the Eastbound Central Line between Oxford Circus Underground Station and Stratford Underground Station, at any time between 6am and 10am Monday to Friday. The response should also state the length of time for which it took the service status to return to Good Service on each occasion. 8. The number of occasions on which a suspension or part suspension of the Central line has been effected on Eastbound services between Oxford Circus and Stratford, at any time between 6am and 10am Monday to Friday. The response should also state the length of time for which it took the line to be re-instated to service on each occasion. 9. The number of occasions on which there have been delays (split between minor and severe) affecting the Westbound Central Line between Stratford Underground Station and Oxford Circus Underground Station, at any time between 4pm and 9pm Monday to Friday. The response should also state the length of time for which it took the service status to return to Good Service on each occasion. 10. The number of occasions on which a suspension or part suspension of the Central line has been effected on Westbound services between Stratford and Oxford Circus, at any time between 4pm and 9pm Monday to Friday. The response should also state the length of time for which it took the line to be re-instated to service on each occasion. 11. For both the Circle Line and the Hammersmith and City Line: The number of occasions on which there have been delays (split between minor and severe) affecting the line Eastbound between Paddington Underground Station and Liverpool Street Underground Station, at any time between 6am and 10am Monday to Friday. The response should also state the length of time for which it took the service status to return to Good Service on each occasion. 12. For both the Circle Line and the Hammersmith and City Line: The number of occasions on which a suspension or part suspension of the Line has been effected on Eastbound services between Paddington and Liverpool Street, at any time between 6am and 10am Monday to Friday. The response should also state the length of time for which it took the line to be re-instated to service on each occasion. 13. For both the Circle Line and the Hammersmith and City Line: The number of occasions on which there have been delays (split between minor and severe) affecting the line Westbound between Liverpool Street Underground Station and Paddington Underground Station, at any time between 4pm and 9pm Monday to Friday. The response should also state the length of time for which it took the service status to return to Good Service on each occasion. 14. For both the Circle Line and the Hammersmith and City Line: The number of occasions on which a suspension or part suspension of the Line has been effected on Westbound services between Liverpool Street and Paddington, at any time between 4pm and 9pm Monday to Friday. The response should also state the length of time for which it took the line to be re-instated to service on each occasion. This information should be provided for closures / services / journeys / delays / suspensions that have taken place in the last 12 months.

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TfL Ref: FOI-2260-1920

Thank you for your request received by Transport for London (TfL) on 28^th October 2019 asking for information about Paddington to Stratford services. This follows on from your previous request of 1^st October 2019 in which you asked for similar information about performance on the Bakerloo Line.

Your request has been considered in accordance with the requirements of the Freedom of Information Act and our information access policy.

Specifically you asked:

“Paddington to Stratford:

Please provide the following information:

1. The average actual length of time between a Southbound Bakerloo line train arriving at Paddington Underground Station and arriving at Oxford Circus Underground Station, for trains departing Paddington between 6am and 10am Monday to Friday.

2. The average actual length of time between an Eastbound Central line train arriving at Oxford Circus Underground Station and arriving at Stratford Underground Station, for trains departing Oxford Circus between 6am and 10am Monday to Friday.

3. The average actual length of time between a Northbound Bakerloo line train arriving at Oxford Circus Underground Station and arriving at Paddington Underground Station, for trains departing Oxford Circus between 4pm and 9pm Monday to Friday.

4. The average actual length of time between a Westbound Central line train arriving at Stratford Underground Station and arriving at Oxford Circus Underground Station, for trains departing Stratford between 4pm and 9pm Monday to Friday.

5. For both the Circle Line and the Hammersmith and City Line: The average actual length of time between Eastbound trains arriving at Paddington Underground Station and arriving at Liverpool Street Underground Station, for trains departing Paddington between 6am and 10am Monday to Friday.

6. For both the Circle Line and the Hammersmith and City Line: The average actual length of time between Westbound trains arriving at Liverpool Street Underground Station and arriving at Paddington Underground Station, for trains departing Liverpool Street between 4pm and 9pm Monday to Friday.

7. The number of occasions on which there have been delays (split between minor and severe) affecting the Eastbound Central Line between Oxford Circus Underground Station and Stratford Underground Station, at any time between 6am and 10am Monday to Friday. The response should also state the length of time for which it took the service status to return to Good Service on each occasion.

8. The number of occasions on which a suspension or part suspension of the Central line has been effected on Eastbound services between Oxford Circus and Stratford, at any time between 6am and 10am Monday to Friday. The response should also state the length of time for which it took the line to be re-instated to service on each occasion.

9. The number of occasions on which there have been delays (split between minor and severe) affecting the Westbound Central Line between Stratford Underground Station and Oxford Circus Underground Station, at any time between 4pm and 9pm Monday to Friday. The response should also state the length of time for which it took the service status to return to Good Service on each occasion.

10. The number of occasions on which a suspension or part suspension of the Central line has been effected on Westbound services between Stratford and Oxford Circus, at any time between 4pm and 9pm Monday to Friday. The response should also state the length of time for which it took the line to be re-instated to service on each occasion.

11. For both the Circle Line and the Hammersmith and City Line: The number of occasions on which there have been delays (split between minor and severe) affecting the line Eastbound between Paddington Underground Station and Liverpool Street Underground Station, at any time between 6am and 10am Monday to Friday. The response should also state the length of time for which it took the service status to return to Good Service on each occasion.

12. For both the Circle Line and the Hammersmith and City Line: The number of occasions on which a suspension or part suspension of the Line has been effected on Eastbound services between Paddington and Liverpool Street, at any time between 6am and 10am Monday to Friday. The response should also state the length of time for which it took the line to be re-instated to service on each occasion.

13. For both the Circle Line and the Hammersmith and City Line: The number of occasions on which there have been delays (split between minor and severe) affecting the line Westbound between Liverpool Street Underground Station and Paddington Underground Station, at any time between 4pm and 9pm Monday to Friday. The response should also state the length of time for which it took the service status to return to Good Service on each occasion.

14. For both the Circle Line and the Hammersmith and City Line: The number of occasions on which a suspension or part suspension of the Line has been effected on Westbound services between Liverpool Street and Paddington, at any time between 4pm and 9pm Monday to Friday. The response should also state the length of time for which it took the line to be re-instated to service on each occasion.

This information should be provided for closures / services / journeys / delays / suspensions that have taken place in the last 12 months.”

I can confirm that we hold the information you require. However, we estimate that to answer your questions would exceed the costs limit for responding to FOI cases as set out in section 12 of the FOI Act. Under section 12 of the Act, we are not obliged to comply with a request if we estimate that the cost of determining whether we hold the information, and then locating, retrieving or extracting it from other information, would exceed the appropriate limit of £450. This is calculated at £25 per hour for every hour spent on the activities described – equivalent to 18 hours work. The application of the costs limit on this occasion is largely on account of the number of questions you have asked and the amount of data that would be required to be extracted to answer them all. Colleagues in our Performance Analysis team estimate that it would take more than 20 hours work to source the data for this case alone. This is notwithstanding the fact that we have already expended resource answering your original case under reference FOI-1976-1920. Note that under the FOI Act, in determining whether the costs limit is exceeded public authorities can include the costs of complying with two or more request from the same individual, if they are for the same or similar information and if they are received within any period of 60 consecutive working days.

To help bring the cost of responding to your request within the £450 limit, you may wish to consider narrowing or reframing its scope, or to focus solely on the exact information that is of most importance to you, so that we can more easily locate, retrieve and extract the information you are seeking.

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

Yours sincerely,

David Wells

FOI Case Officer

FOI Case Management Team

General Counsel

Transport for London

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