A points failure between Treherbert and Ystrad Rhondda means trains are currently unable to operate between these stations.
Disruption is expected until 09:30.
Alternative travel advice
Tickets will be accepted on Stagecoach Buses on route 132 between Porth and Pontypridd at no extra cost.
Replacement buses are currently running between Treherbert and Pontypridd.
Check before you travel:
You can check your journey using the National Rail Enquiries real-time Journey Planner
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 set-down 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.
Compensation:
You may be entitled to compensation if you experience a delay in completing your journey today. Please keep your train ticket and make a note of your journey, as both will be required to support any claim.