Future engineering work

PAGE LAST UPDATED: 21/06/2018 22:45. 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.

Amended service between Didcot Parkway and Chippenham / Bristol Parkway from Monday 13 to Thursday 16 August

Start date
13/08/2018  00:00
End date
Route affected

Between London Paddington and Bristol Temple Meads / Penzance / Swansea

TOC(s) affected
Great Western Railway

Engineering work is taking place between Didcot Parkway and Chippenham, and also between Swindon and Bristol Parkway, closing all lines each night from 21:30.

The following services will be amended:

Some trains will be revised / diverted via alternative routes, extending journey times.

The 17:42 Penzance to London Paddington will be diverted between Bath Spa and Reading. Rail connections will be available from Bath Spa to Swindon. A bus will run from Swindon to Didcot Parkway.

The 20:29 Swansea to London Paddington will terminate at Bristol Parkway. Rail connections will be available to Bristol Temple Meads for customers to connect with the 21:28 Taunton to London Paddington service (this service will also be diverted, extending journey times).

The 21:45 London Paddington to Exeter St Davids service will be diverted between Reading and Bath Spa, not calling at Didcot Parkway, Swindon and Chippenham. A replacement bus will run from Reading to Swindon and Chippenham.

An additional train will run at 23:00 from Swindon to Bristol Temple Meads, calling at Chippenham and Bath Spa.

The 22:15 London Paddington to Bristol Temple Meads service will be diverted between Reading and Bath Spa. Replacement buses will run from Reading to Chippenham / Swindon.

The 22:45 London Paddington to Swansea will be diverted between Reading and Newport, not calling at Didcot Parkway, Swindon and Bristol Parkway.

Buses will be running from Reading / Didcot Parkway to Swindon. An earlier bus will be running from Didcot Parkway to Patchway, (calling at Swindon and Bristol Parkway) to connect onto the diverted train. A bus will also run from Patchway to Bristol Parkway.

Some trains between London Paddington to Oxford / Worcester Foregate Street will call additionally at Didcot Parkway.

The 23:30 London Paddington to Cardiff Central service will be diverted between Reading and Bath Spa. A bus will run from Reading to Swindon / Chippenham.


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.

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


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.

Project Information:

You can read more about engineering work and why it is necessary.