Metro transformation work: changes to train services

How it will affect your journey plans

While we build this better transport network over the next few years, it may mean temporary periods of change to your journey plans. Where possible we are scheduling the transformation work to take place during less busy times to minimise disruption and offering connections between rail services and bus services.

You must wear a face covering on public transport and at stations, put it on before travelling unless you’re exempt. Please be respectful, not everyone can wear a face covering. For guidance visit our Travel Safer advice page.


Last updated: 10 February 2021

Metro transformation work: phase one

Service changes  August 2020 – December 2021  Late evenings Sunday – Thursday

The major part of this phase starts on Monday 3 August 2020 with improvement work taking place on the Treherbert, Aberdare and Merthyr lines from Radyr station northwards.

The work will take place late evening and overnight Sundays through to Thursdays during this period, closing this part of the network from 2000 to 0500.

  • Bus services will replace rail services to and from our bus/rail inter-change hub at Radyr station.

  • The normal train timetable will continue to run between Cardiff Central and Radyr until close of service.

  • Early morning train services will not be affected and will run as usual.

Metro Map

Forthcoming weekend and bank holiday service changes

Rail replacement buses will run between Radyr and Pontypridd on the following weekends and bank holidays

  • Saturday 29 May – Monday 31 May 2021
Metro transformation works

Travel Advice FAQs

What work will be undertaken during this period?

A whole package of works is planned including track and signalling work along with general maintenance.
Find out all about Metro here.


What will I expect when I arrive at the Radyr station inter-change hub?

Radyr station will act as the main inter-change hub between rail and bus services. Customer service teams will be at hand at Radyr station to direct customers to and from the inter-change hub situated in the adjacent car park. Road transport has been arranged to link in with train services to keep wait times to a minimum. Toilet and shelter facilities will be available.


Where will I be picked up or dropped off at my local station?

Most bus service pick up / drop up points are situated outside the station. They will be clearly signposted but you can check out the location of your rail replacement bus stop here (choose your station then Car Park Information) or on the Useful Information Poster at your station.


I usually take my bike on the train as I need it for onwards travel – can I take it on the bus service?

Normally bikes are not permitted on rail replacement bus services however where possible bikes may be carried dependent on the driver’s discretion and space available. Any bikes carried on our bus services is at your own risk and Transport for Wales cannot accept responsibility for any damages.


Can I take my dog on the bus service?

Normally dogs are not permitted on rail replacement bus services except guide dogs.


Can you take prams on the bus service?

Prams are allowed however we ask that they are folded up before boarding.


How much extra time will the bus service leg of my journey add to my overall journey?

For the exact times you will need to check your specific journey plans but here’s a guide for some key journeys. These are based on average times for the time of night travelled.

Route Approx bus service times
Radyr - Pontypridd 00:35 hrs
Radyr - Merthyr Tydfil 01:20hrs
Radyr - Aberdare 01:20hrs
Radyr – Treherbert 01:25 hrs


Can I buy a ticket on the bus?

There are no ticket purchasing facilities on board buses. Tickets must be bought before boarding a bus at your local booking office, ticket machines, on-line using our journey planner or from our app.


I am a wheelchair user, can I access the rail replacement bus service?

The buses are wheelchair accessible with low loading floors. For advice and to book assistance in advance call our Passenger Assist team 03330 050 501.


Future Improvement Work

For planned improvement works across our network that can affect the timetable please visit this page.

Planned improvement work



A number of South Wales Metro projects have been part-funded by the European Regional Development Fund through the Welsh Government.