Translink have said that the railway line between Coleraine and Londonderry will be closed over two weekends.
The dates are as follows:
Saturdays 25th April and 2nd May and Sundays 26th April and 3rd May 2015.
A bus substitution will operate between th stations.
Trains will still operate between Belfast and Coleraine at the schedule times.
For further information please call the Translink Contact Centre on (028) 90 66 6630.