The Rail Accident Investigation Branch has released its initial findings into the fatal train collision that occurred near Talerddig, Powys, on Monday 21 October.
Passengers are urged to check before they travel between Shrewsbury and South Waleson three weekends in September when Network Rail will be carrying out essential engineering work.
Network Rail is thanking passengers for their patience and understanding today after the completion of work to renew the track inside the historic Dinmore Tunnel on the Marches line.
Buses are replacing trains between Hereford and Shrewsbury for nine days from today as teams renew track and ballast inside the historic Dinmore tunnel.