Engineering work is taking place between Treherbert and Pontypridd, closing some lines.
The 08:10 Treherbert to Cardiff Central service will start from Pontypridd at 08:42.
A connecting rail replacement bus will operate from Treherbert to Pontypridd, departing Treherbert earlier at 07:47.
Check before you travel:
You can plan your journey using the National Rail Enquiries Journey Planner.
Replacement bus travel advice:
For helpful advice if you need to travel on a rail replacement service, including accessibility and bicycle information, please use our Rail Replacement Services page.
You can find the pick-up and drop-off location of rail replacement services by checking station signage or by searching for your station on our Find a Station page.
Please be advised that replacement vehicles may be busier than usual, and you should allow extra time for your journey.