Future engineering work

PAGE LAST UPDATED: 16/02/2019 17:50. 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.

Engineering work is taking place between Newport and Severn Tunnel Junction on Saturday 14 and Sunday 15 July

Start date
14/07/2018  00:00
End date
Route affected

CrossCountry between Cardiff Central and Birmingham New Street / Nottingham / Manchester Piccadilly

Great Western Railway between Pembroke Dock / Carmarthen / Swansea / Cardiff Central and Bristol Temple Meads / Frome / Weston-Super-Mare / Taunton / Portsmouth Harbour / London Paddington / Brighton

TOC(s) affected
CrossCountryGreat Western Railway

Engineering work is taking place between Newport and Severn Tunnel Junction, closing some lines.


On Saturday trains will depart Cardiff Central a few minutes earlier than usual, and arrive at Cardiff Central a few minutes later than usual.

On Sunday, CrossCountry services are not affected by this engineering work.

Great Western Railway:

Great Western Railway services will be retimed between Bristol Temple Meads / Bristol Parkway, journeys will take a few minutes longer than usual. 

Additionally, services running between Cardiff Central and Swansea and beyond will run to revised timings and some trains will be diverted between Cardiff Central and Bridgend.

Check before you travel:

If you are travelling with CrossCountry or Great Western Railway, you can plan your journey 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


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.