Engineering work is taking place between Langley and Burnham, closing some lines.

High Speed services:

Most trains between London Paddington and Bristol Temple Meads / Swansea / Carmarthen / Exeter St Davids / Plymouth will be amended to run earlier or later than usual.

London - Didcot Parkway services:

Between 09:35 and 20:40, trains between London Paddington and Didcot Parkway will be retimed to run earlier than usual.

Additionally, the 21:26 London Paddington to Didcot Parkway service will depart at 21:29.

Maidenhead - Marlow:

The 09:29 Maidenhead to Marlow and the 09:55 Marlow to Maidenhead services will be retimed to run 3 minutes later than usual in order to maintain customer connections at Maidenhead.

Check before you travel:

These changes are not currently shown in the National Rail Enquiries Journey Planner, please check back nearer to the time of travel.