Future engineering work

PAGE LAST UPDATED: 20/03/2018 08:02. 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 overnight service in South Wales from Monday 22 until Friday 26 January

Start date
22/01/2018  00:00
End date
Route affected

Manchester Piccadilly / Swansea and Carmarthen

Cardiff Central and Rhymney

Cardiff Queen Street and Cardiff Bay

TOC(s) affected
Arriva Trains Wales

Engineering work is taking place near Swansea and Cardiff Queen Street overnight, closing various lines.

Monday to Thursday

19:30 Manchester Piccadilly to Carmarthen service will be replaced by a bus between Neath and Carmarthen.

After 22:30, trains between Cardiff Central and Rhymney will be replaced by buses. Trains between Cardiff Bay and Cardiff Queen Street will also be replaced by buses.

Tuesday to Friday

03:05 Carmarthen to Swansea service will start at the later time 04:13. Customers for Swansea should travel on the replacement bus service which departs at 03:05.

Check before you travel:

You can plan your journey using the National Rail Enquiries Journey Planner


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.