Buses will replace trains between Wolverhampton and Shrewsbury on Sunday due to engineering work.
The affected routes are West Midlands Railway, external between Birmingham New Street and Shrewsbury, and Transport for Wales, external between Birmingham International and Aberystwyth / Chester / Shrewsbury.
Passengers are being advised to allow extra time for their journey, and check before setting off on the National Rail journey planner, external.
The work, closing some lines, is expected to finish at 12:30 BST, with rail replacement buses running until approximately 14:00 BST.
