From FGW site:

The line between Didcot Parkway and Oxford is closed. The latest estimate for the line to be given back is 0800.

Passengers wishing to travel are advised to delay their journeys until later in the day. At present we are unable to guarantee replacement road transport between Oxford and Didcot Parkway. Chiltern Railways are accepting tickets between Banbury and London Marylebone.

05:06 Oxford to London Paddington due 06:44
This train will be started from Didcot Parkway.It will no longer call at: Oxford and Radley.This is due to over-running engineering works.

05:22 London Paddington to Oxford due 06:21
This train will be terminated at Didcot Parkway.It will no longer call at: Oxford.This is due to over-running engineering works.

05:30 Great Malvern to London Paddington due 07:58
This train will be diverted.It will no longer call at: Evesham, Honeybourne, Moreton-In-Marsh, Kingham, Charlbury, Hanborough and Oxford.This is due to over-running engineering works.
>> They forgot Pershore.

05:50 Moreton-In-Marsh to London Paddington due 07:29
This train will be terminated at Oxford.It will no longer call at: Didcot Parkway, Reading and London Paddington.This is due to over-running engineering works. This service will be restarted from Didcot Parkway at 0643.

05:50 Oxford to London Paddington due 07:00
This train will be started from Didcot Parkway.It will no longer call at: Oxford and Radley.This is due to over-running engineering works.
This service will operate between Didcot Parkway and Reading only.

05:58 Oxford to London Paddington due 07:40
This train will be started from Didcot Parkway.It will no longer call at: Oxford.This is due to over-running engineering works.

06:00 London Paddington to Oxford due 07:49
This train will be terminated at Didcot Parkway.It will no longer call at: Appleford, Culham, Radley and Oxford.This is due to over-running engineering works.

06:03 Oxford to London Paddington due 07:08
This train will be started from Didcot Parkway.It will no longer call at: Oxford.This is due to over-running engineering works.

06:07 London Paddington to Oxford due 07:10
This train will be terminated at Didcot Parkway.It will additionally call at: Didcot Parkway.It will no longer call at: Oxford.This is due to over-running engineering works.

06:08 Banbury to London Paddington due 08:30
This train will be terminated at Oxford.It will no longer call at: Radley, Culham, Appleford, Didcot Parkway, Cholsey, Goring & Streatley, Pangbourne, Tilehurst, Reading, Twyford, Maidenhead, Burnham, Slough, Langley, West Drayton, Hayes & Harlington, Southall, Ealing Broadway and London Paddington.This is due to over-running engineering works.

06:15 Oxford to London Paddington due 08:09
This train will be started from Didcot Parkway.It will no longer call at: Oxford, Radley, Culham and Appleford.This is due to over-running engineering works.

06:31 Banbury to London Paddington due 08:42
This train will be terminated at Oxford.It will no longer call at: Radley, Culham, Appleford, Didcot Parkway, Cholsey, Goring & Streatley, Pangbourne, Tilehurst, Reading, Twyford, Maidenhead, Burnham, Slough and London Paddington.This is due to over-running engineering works.

06:46 Didcot Parkway to London Paddington due 07:46
This train will be started from Reading.It will additionally call at: Reading.It will no longer call at: Didcot Parkway, Cholsey, Goring & Streatley and Pangbourne.This is due to over-running engineering works.

07:10 Oxford to London Paddington due 08:21
This train will be started from Didcot Parkway.It will additionally call at: Didcot Parkway.It will no longer call at: Oxford.This is due to over-running engineering works.

07:22 Oxford to London Paddington due 08:57
This train will be started from Didcot Parkway.It will no longer call at: Oxford, Radley, Culham and Appleford.This is due to over-running engineering works.

07:30 Oxford to London Paddington due 08:32
This train will be started from Didcot Parkway.It will additionally call at: Didcot Parkway.It will no longer call at: Oxford.This is due to over-running engineering works.

LDB was showing it did earlier!! 

Train now running 8 minutes late, last reported through Dolphin Junction at Slough.

Another first class cock up from Notwork Derail 

The last fast commuter train from Twyford and Maidenhead to Paddington (9.02 at Maidenhead) ran fast from Didcot Parkway to London because of these delays... This meant it arrived on time.. but most of the passengers didn't...

Note how 3 were missing, those 3 being for the 3v8