Future engineering work

PAGE LAST UPDATED: 20/04/2018 11:41. Update now

See details of routes affected by planned engineering works, including when they take effect, maps of the affected area, alternative timetables, advice for alternative travel and real-time updates.

Major modernisation work between London Paddington and Maidenhead from Saturday 5 May until 05:00 Tuesday 8 May

Start date
05/05/2018  00:00
End date
08/05/2018 
Route affected
Download map of route afected

All Great Western Railway routes to / from London Paddington and also between Slough and Windsor & Eton Central, Maidenhead and Marlow and between Twyford and Henley-on-Thames

Heathrow Connect between London Paddington and Heathrow Airport

Heathrow Express between London Paddington and Heathrow Airport

 
TOC(s) affected
Great Western RailwayHeathrow ConnectHeathrow Express
Description

Network Rail are electrifying one of Britain's oldest and busiest railways, providing greener, more reliable journeys and improving connections across southern England and South Wales: London and Bristol, including Cardiff, Newbury and Oxford. This project is also part of the London Railway Upgrade Plan, creating new connections and increasing capacity in peak hour by 30%.

As a result of this, on Saturday and Monday, all lines are closed between Hayes & Harlington and Maidenhead and on Sunday all lines are closed between London Paddington and Maidenhead.

Saturday and Monday

No trains will run between Hayes & Harlington and Maidenhead.

Trains will run to a reduced timetable between London Paddington and Hayes & Harlington. 

Replacement buses will run between:
  • Hayes & Harlington and Slough running non stop
  • Hayes & Harlington, Slough and Maidenhead
  • Hayes & Harlington and Maidenhead calling at all stations except Iver
  • Hayes & Harlington and Windsor & Eton Riverside
  • West Drayton, Iver and Langley

The following alterations will apply on the following routes:

Bristol / Cardiff Central / Swansea / Exeter St Davids / Plymouth / Penzance - trains are diverted between London Paddington and Swindon via (and not calling at) High Wycombe and Oxford. A reduced timetable will also be in operation. Trains will also run between Reading and Bristol Temple Meads / Exeter St Davids via Newbury.

Cheltenham Spa - trains originally scheduled to run to and from London Paddington will now only run between Swindon and Cheltenham Spa. 

Greenford - trains will run to a reduced timetable.

Marlow - trains will be retimed. Customers travelling direct between Maidenhead / Marlow and London should use connecting bus services between Maidenhead, Marlow and High Wycombe for Chiltern Railways trains to / from London Marylebone.

Newbury / Bedwyn - trains will run between Reading and Newbury / Bedwyn

Oxford / Worcester Shrub Hill / Hereford - customers travelling direct to / from Oxford and beyond should use Chiltern Railways trains between London Marylebone and Oxford to connect with Great Western Railway trains. 

Oxford (Local trains) - trains will run to an amended timetable between Maidenhead and Oxford with some trains serving Appleford, Culham and Radley. Most trains will be extended to run to / from Great Malvern / Hereford.

Reading - customers travelling direct between London and Reading should use South Western Railway trains between London Waterloo and Reading.

Weston-super-Mare - as a result of this engineering work and to ease congestion at Bristol stations, trains between Bristol Parkway and Weston-super-Mare will run between Bristol Temple Meads and Weston-super-Mare. Customers should use alternative trains between Bristol Parkway and Bristol Temple Meads.
 
Windsor & Eton Central - replacement buses will run between Slough and Windsor & Eton Riverside. Customers travelling direct between Windsor & Eton Central and London should use South Western Railway trains between Windsor & Eton Riverside and London Waterloo. Late evening buses will operate between London Paddington and Slough.

Sunday

No trains will run from or to London Paddington

Local trains will start / terminate at Maidenhead.

Replacement buses will run between Ealing Broadway and Maidenhead calling at Southall, Hayes & Harlington and Slough.

Additional buses will run between Ealing Broadway and Maidenhead calling at all stations.

Customers should use London Underground between London Paddington and Ealing Broadway on any reasonable route.

Bristol  / Cardiff Central / Swansea / Exeter St Davids / Plymouth / Penzance - trains are diverted to start / terminate at London Marylebone via (and not calling at) High Wycombe and Oxford. A reduced timetable will also be in operation. 

Oxford / Worcester Shrub Hill / Hereford - customers travelling direct to / from Oxford and beyond should use Chiltern Railways trains between London Marylebone and Oxford to connect with Great Western Railway trains.

Oxford (Local trains) - trains will run to an amended timetable between Maidenhead and Oxford with some trains serving Radley. Most trains will be extended to run to / from Great Malvern / Hereford.

Reading - customers travelling direct between London and Reading should use South Western Railway trains between London Waterloo and Reading.

Additionally trains will run hourly between Reading and Bristol Temple Meads calling at Didcot Parkway, Swindon, Chippenham and Bath Spa.

Trains will run 2 hourly between Reading and Swansea calling at Swindon, Bristol Parkway, Newport, Cardiff Central and then all stations to Swansea.

Trains will run between Reading and Penzance via Newbury / Chippenham

Cheltenham Spa - trains that were originally scheduled to run to and from London Paddington will now only run between Swindon and Cheltenham Spa. 

Newbury / Bedwyn - trains will run between Reading and Newbury / Bedwyn.

Marlow - a normal timetable will be in operation between Maidenhead and Marlow. Customers travelling direct between Maidenhead / Marlow and London should use connecting bus services between Maidenhead and High Wycombe for Chiltern Railways trains to / from London Marylebone.


Heathrow Connect / Heathrow Express
 

Saturday:

Both Heathrow Connect and Heathrow Express will run an amended service.

Sunday:

No Heathrow Connect or Heathrow Express services will run. Valid tickets will be accepted on London Underground services between Heathrow Airport and London by any reasonable route.

Check before you travel:

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

You can plan your journey with Heathrow Connect and Heathrow Express using the National Rail Enquiries Journey Planner 

You can find the location of your bus replacement by checking station signs or by searching for your station on our station information pages

You can plan your journey on London Underground by using the Transport for London Journey Planner

Bicycles:

Non folding bicycles are not allowed on rail replacement bus services at any time. Folding bicycles are allowed if fully folded. For more information, please see here.