Last weekend the Thameslink line between West Hampstead Thameslink and St Pancras International (Low level) was shut for engineering works. Services from Luton and Bedford were diverted to the EMT platforms (1-4). Passengers wishing to continue their journey through the core were directed to touch out at validators near platforms 1-4 and then touch back in again at platforms A-B, where trains were running between Peterborough/Cambridge and the south. I believe that this is the first time that Thameslink have used platforms 1-4 when the core section is still running through platforms A-B. The problem is that there is no OSI set up between the validators for platforms 1-4 and the barriers for platforms A-B. The information that I would like is as follows: For each day (25-27) the total number of Oyster/contactless cards that touched in at A-B within 20 minutes of touching out at 1-4. For each day (25-27) the total number of Oyster/contactless cards that touched in at 1-4 within 20 minutes of touching out at A-B. For each day (25-27) the total number of Oyster/contactless cards that touched in at Elstree & Borehamwood, Mill Hill Broadway, Hendon, Cricklewood or West Hampstead Thameslink with no corresponding touch out, thus recording an incomplete journey. For each day (25-27) the total number of Oyster/contactless cards that touched out at West Hampstead Thameslink, Cricklewood, Hendon, Mill Hill Broadway or Elstree & Borehamwood with no corresponding touch in, thus recording an incomplete journey. I'd like to extend the above analysis to include May 4th/5th/6th as well as 25th/26th/27th.

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TfL Ref: FOI-0620-1920

Thank you for your email received by Transport for London (TfL) on 30 May 2019.

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

For each day (4/5/19-6/5/19 and 25/5/19-27/5/19) the total number of Oyster/contactless cards that touched in at A-B within 20 minutes of touching out at 1-4.

For each day (4/5/19-6/5/19 and 25/5/19-27/5/19) the total number of Oyster/contactless cards that touched in at 1-4 within 20 minutes of touching out at A-B.

I'd like to extend the above analysis to include May 4th/5th/6th as well as 25th/26th/27^th.

date	1-4 to A-B	A-B to 1-4
04/05/2019	109	174
05/05/2019	34	91
06/05/2019	128	248
25/05/2019	164	274
26/05/2019	115	177
27/05/2019	117	178

This includes all transfers, not just PAYG.

For each day (4/5/19-6/5/19 and 25/5/19-27/5/19) the total number of Oyster/contactless cards that touched in at Elstree & Borehamwood, Mill Hill Broadway, Hendon, Cricklewood or West Hampstead Thameslink with no corresponding touch out, thus recording an incomplete journey.

	Date
Station of Entry	04/05/2019	05/05/2019	06/05/2019	25/05/2019	26/05/2019	27/05/2019
Elstree & Borehamwood	185	80	56	115	73	58
Hendon	56	24	15	35	13	23
Mill Hill Broadway	107	42	22	80	41	51
West Hampstead Thameslink	199	107	82	165	90	80

For each day (4/5/19-6/5/19 and 25/5/19-27/5/19) the total number of Oyster/contactless cards that touched out at West Hampstead Thameslink, Cricklewood, Hendon, Mill Hill Broadway or Elstree & Borehamwood with no corresponding touch in, thus recording an incomplete journey.

	Date
Station of Exit	04/05/2019	05/05/2019	06/05/2019	25/05/2019	26/05/2019	27/05/2019
Elstree & Borehamwood	122	74	43	113	68	59
Mill Hill Broadway	43	27	13	35	28	36
West Hampstead Thameslink	93	70	76	64	64	71

Note that Hendon has no gates, only validators, so all single touch journeys are recorded as an entry touch.

If this is not the information you are looking for, or if you are unable to access it for some 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

Eva Hextall

FOI Case Officer

FOI Case Management Team

General Counsel

Transport for London

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