One of the country's busiest train stations will be closed for 13 weekends over the next two years to facilitate a €10m roof replacement project.
Pearse Station, in Dublin, where protective mesh netting has been in place for years as a safety measure, will undergo the works from the second half of next year, with the first station closure expected in August 2018.
During these weekends, northside Dart, Maynooth and Drogheda services will operate to and from Connolly Station, with southside Dart and Rosslare services operating from Grand Canal Dock.
Some nine million trips a year are made from Pearse Street on Westland Row, which is the country's second-busiest train station, and busiest commuter station, on the network, serving Dart, commuter and intercity services.
The station opened in 1834, and was the original terminus of the first railway line in the country which ran from Westland Row to Kingstown/Dún Laoghaire.
Iarnród Éireann said the safety works on the 130-year-old structure were "urgently required" as steel roof trusses supporting the roof were corroding.
"Its replacement has been identified as a crucial safety project," the operator said.
The roof structure comprises two main areas - the main station area roof has 40 barrelled roof trusses, each spanning 28 metres, over 38 bays, with additional gable end structures at both ends.
Adjacent to the main station roof there is a second similar roof, which covers a car park and station infrastructure area. This is smaller, and comprises 19 trusses over 18 bays.
The works will cost a "minimum" of €10m, and will begin in August. They will be completed in June 2020.