Engineering work is taking place between Cardiff Central and Rhymney, closing all lines overnight from Monday evening until Friday morning.
After 23:00, buses will replace trains between Cardiff Central and Ystrad Mynach / Rhymney.
Check before you travel:
You can plan your journey using the National Rail Enquiries Journey Planner
Replacement Bus Travel Advice:
You can find the location of your bus replacement by checking station signs or by searching for your station on our station information pages.
Bicycles are not allowed on rail replacement bus services at any time, unless fully folded. More travel advice for your replacement bus journey is available by selecting the Train Operating Company you are travelling with here.