Planned engineering

Track and structural renewals work will impact all train services between Bath Spa and Chippenham or Westbury.

Replacement transport is planned between:

• Bath Spa and Chippenham, or Swindon
• Bath Spa, Bradford-on-Avon, Trowbridge and Westbury, or Frome
• Bath Spa, Freshford, Avoncliff and Bradford-on-Avon

Trains will run hourly between London Paddington and Bath Spa via Bristol Temple Meads, with some trains running between London Paddington and Chippenham (except Sunday).

GWR will operate trains between Cardiff Central and Bath Spa instead of Portsmouth Harbour, or between Gloucester and Bristol Temple Meads instead of Frome or Weymouth.

Separate train services will be operating between Westbury and Portsmouth Harbour, Frome or Weymouth, plus trains will be running between Swindon and Westbury via Chippenham.

Important to note

Rail replacement services will stop to pick-up or drop-off in Freshford village, not at the station, and in Westwood village instead of Avoncliff station.

Signage will be provided between the stations and the bus stops.

As an alternative, valid rail tickets can also be used to travel on First Bus services operating between Bath and Trowbridge or Faresaver Buses between Bath and Chippenham, plus between Trowbridge and Chippenham, Melksham or Westbury.

Track renewals work will impact all train services via Reading West.

Replacement road transport is planned between:

• Reading and Newbury
• Reading and Basingstoke
• Swindon and Pewsey.

Trains between London Paddington and Plymouth or Penzance will use an alternative route between Reading and Taunton – some stopping additionally at Swindon.

Train services will also be operating between Newbury and Bedwyn.

This rail improvement work also affects CrossCountry train services via Basingstoke.

Signalling upgrade work will impact all train services via Salisbury.

Replacement road transport is planned between Warminster and Southampton Central, plus between Salisbury and Andover, Romsey or Gillingham.

GWR trains will run between Cardiff Central/Bristol Temple Meads and Warminster, plus between Southampton Central and Portsmouth Harbour.

This rail improvement work also affects SWR train services via Salisbury.

Overhead power supply upgrades and track renewal work will impact all train services via the Severn Tunnel.

Replacement road transport is planned between Bristol Parkway and Newport – both non-stop and stopping services.

In addition, valid rail tickets can also be used to travel on the m4 Metrobus services running between Bristol Parkway and Patchway, plus the T7 TrawsCymru bus services between Bristol and Chepstow.

Trains will run hourly between London Paddington and Swansea/Carmarthen by using an alternative route – stopping at Gloucester instead of Bristol Parkway.

Trains will also run between London Paddington and Bristol Parkway at peak periods only – customers should travel via Bristol Temple Meads instead at off-peak times.

GWR trains will operate between Bristol Parkway and Portsmouth Harbour on the weekend of 23/24 May, plus from Saturday 30 May to Monday 8 June.

These services will be operating between Bristol Parkway and Fareham instead from Monday 25 to Friday 29 May – see Portsmouth area entry below.

GWR trains will also operate between Bristol Temple Meads and Taunton/Exeter St Davids.

CrossCountry and Transport for Wales train services between Cheltenham Spa or Gloucester and Cardiff Central via Lydney will be unaffected.

Sunday 24 May

There will be no direct train services between London and South Wales.

Instead, GWR will operate trains between London Paddington and Bristol Parkway, plus between Newport and Swansea/Carmarthen.

Important to note

Some train services between Bristol Temple Meads and Severn Beach will run to an amended timetable due to freight trains for Avonmouth being diverted on this route.

Track upgrade work will affect some train services to/from London Paddington until 1600.

Trains will run to an amended timetable because only two out of four tracks will be available.

Bridge renewals work will impact all train services for Portsmouth Harbour.

Replacement transport is planned between Portsmouth Harbour and Fareham/Havant.

GWR trains will operate between Fareham and Cardiff Central.

This rail improvement work also affects SWR and Southern train services.

Track drainage and structural upgrade work will impact train services for Gatwick Airport.

Replacement road transport is planned between:

• Reading and North Camp (Saturday) or Guildford (Sunday)

GWR trains will still operate between Blackwater and Gatwick Airport on Saturday, then between Guildford and Gatwick Airport on Sunday.

This rail improvement work also affects SWR train services via Wokingham.

Track renewals and drainage work will impact all train services via Newbury.

Replacement transport is planned between:

• Reading and Newbury
• Reading and Bedwyn
• Newbury, Kintbury and Hungerford
• Pewsey and Swindon

Trains between London Paddington and Plymouth, Newquay or Penzance will use an alternative route via Swindon with some of these services also stopping at Westbury.

Train services between Reading and Basingstoke will be unaffected.

Track maintenance and drainage work will impact train services for Gatwick Airport.

Replacement road transport is planned between Guildford and Gatwick Airport.

GWR trains will operate between Reading and Guildford.

Other train services will still be operating to/from Gatwick Airport.

Track renewals and drainage work will impact all train services via the Severn Tunnel until midday.

Replacement road transport is planned between Bristol Parkway and Newport – both non-stop and stopping services.

Valid rail tickets can also be used to travel on the m4 Metrobus services running between Bristol Parkway and Patchway.

Trains will be operating between London Paddington and Bristol Parkway, plus between Newport and Swansea/Carmarthen.

Instead of Cardiff Central, GWR trains will operate between Bristol Parkway and Portsmouth Harbour, plus between Bristol Temple Meads and Taunton/Exeter St Davids.

Train services between Bristol and South Wales are expected to resume at around midday.

CrossCountry and Transport for Wales train services between Cheltenham Spa or Gloucester and Cardiff Central will be unaffected by these works.

Track renewals work will impact train services via Oxford.

Replacement road transport is planned between:

• Oxford and Hanborough
• Oxford and Banbury
• Oxford and Oxford Parkway

Trains will still run between London Paddington and Oxford, plus between Hanborough and Worcester Shrub Hill, Great Malvern or Hereford.

This rail improvement work also affects CrossCountry and Chiltern Railways train services.

Signalling upgrade and track maintenance work will impact all train services for Portsmouth Harbour.

Replacement transport is planned between Portsmouth Harbour and Southampton Central.

GWR trains will still operate between Southampton Central and Cardiff Central.

This rail improvement work also affects SWR and Southern train services.

Track renewals, structural repairs and drainage work will impact train services between London and South Wales.

Trains still run between London Paddington and Swansea, Carmarthen or Pembroke Dock using an alternative route – extending journey times by around 25 minutes.

The frequency of services between London and South Wales will be reduced to hourly due to the longer journey times diverting trains via Chippenham instead.

Additional services will also be provided between London Paddington and Swindon by extending some trains between London Paddington and Didcot Parkway.

Replacement road transport is not planned as train services will still be operating between Swindon and Bristol Parkway.

Important to note

Follow-up work will also impact train services on the weekend of 8/9 August.

Track and structural renewals work will impact train services for Basingstoke.

Replacement road transport is planned between Reading and Basingstoke.

This rail improvement work also affects CrossCountry train services but not SWR trains.