Rail passengers are being advised of alterations to the timetable which are taking place on Sunday evening.
Irish Rail have confirmed due to an operational issue, the 16.02 Dublin Connolly to Sligo service will terminate in Boyle with a replacement bus transfer operating from Boyle to Sligo.
While the 17.05 Sligo to Dublin Connolly service will see a replacement bus transfer between Sligo and Boyle operating before passengers can embark on their train journey from Boyle.