Translink is warning train passengers travelling between Ballymoney and Portrush that there will be a series of line closures in the coming weeks due to essential engineering works.
The line between Coleraine and Portrush will also be closed for nine days from tomorrow until September 23 with a bus substitution service in operation.
The line between Ballymoney and Coleraine will also be closed tomorrow and Saturday 22, and this Sunday and Sunday September 23, with a bus substitution in place for passengers.
On both Sundays there will be minor timetable variations on rail services between Belfast and Coleraine.
Passengers are advised to check in-station, call 028 9066 6630, or log on to www.translink.co.uk for details.