Irish Rail are advising those travelling today of changes to the Galway and Westport services.
Engineering works are taking place at Athlone Station from half 4 this evening.
Busses will run between Athlone and Ballinasloe, Athlone and Tullamore, and Roscommon and Tullamore in place of the train.
A full list of the services affected can be found below
16:30 Heuston to Galway will operate to Tullamore only, bus transfers direct from Tullamore to Ballinasloe, second bus transfer from Tullamore to Athlone and Ballinasloe, third bus transfer from Athlone to Ballinasloe, second train departing at 18:35hrs from Ballinasloe to Galway which will not serve Woodlawn
17:10 Heuston to Athlone will operate to Tullamore only, bus transfers direct from Tullamore to Athlone, second bus transfer from Tullamore to Clara and Athlone
17:30 Heuston to Galway will operate to Tullamore only, bus transfers direct from Tullamore to Ballinasloe, second bus transfer from Tullamore to Clara, Athlone and Ballinasloe, third bus transfer from Athlone to Ballinasloe, second train departing at 20:12hrs from Ballinasloe to Galway
18:30 Heuston to Galway is cancelled
19:35 Heuston to Galway will operate to Tullamore only, bus transfers direct from Tullamore to Ballinasloe, second bus transfer from Tullamore to Athlone and Ballinasloe, third bus transfer from Athlone to Ballinasloe, second train departing at 21:40hrs from Ballinasloe to Galway
15:05 Galway to Heuston will operate to Ballinasloe only, bus transfers direct from Ballinasloe to Tullamore, second bus transfer from Ballinasloe to Athlone, Clara and Tullamore, second train departing at 17:40hrs from Tullamore to Heuston
17:20 Galway to Heuston will operate to Ballinasloe only, bus transfers direct from Ballinasloe to Tullamore, second bus transfer from Ballinasloe to Athlone and Tullamore, second train departing at 19:25hrs from Tullamore to Heuston
18:10 Galway to Athlone will operate to Ballinasloe only, bus transfers direct from Ballinasloe to Athlone
19:20 Galway to Heuston will operate to Ballinasloe only, bus transfers direct from Ballinasloe to Tullamore, second bus transfer from Ballinasloe to Athlone, Clara and Tullamore, second train departing at 21:30hrs from Tullamore to Heuston
18:15 Heuston to Westport will operate to Tullamore only, bus transfers direct from Tullamore to Roscommon, second bus transfer from Tullamore to Athlone and Roscommon, third bus transfer from Athlone to Roscommon, second train departing at 20:25hrs from Roscommon to Westport
18:20 Westport to Heuston will operate to Roscommon only, bus transfers direct from Roscommon to Tullamore, second bus transfer from Roscommon to Athlone and Tullamore, third bus transfer from Athlone to Tullamore, second train departing at 21:05hrs from Tullamore to Heuston
20:32 Ballina to Manulla Junction is deferred to 20:50hrs
21:05 Manulla Junction: to Ballina is deferred to 21:28hrs]