Irish rail are to undertaking engineering works at a number of locations this weekend, which is expected to disrupt many inter-city services.
Most of the upgrades will happen today and tomorrow and will have an affect on all routes to and from Heuston, Connolly to Dun Laoighre and Athenry to Galway.
There will be no DART services from Bray to Greystones until this coming Monday, but bus transfers will operate.
There will be no DART services between Dublin Connolly and Dun Laoghaire, but Dublin Bus will be accepting rail tickets.
According to Breaking News, Irish Rail has said there will be bus transfers from all Heuston routes today and tomorrow.
❗️Remember: Oct Bank Holiday services
⚠️ Major works Sat & Sun, affecting all routes to/from Heuston, Connolly to Dun Laoghaire, & Athenry to Galway
🌊 Sat to Mon: Bray head coastal works, affecting Bray to Greystones DART & Rosslare services
— Iarnród Éireann (@IrishRail) October 25, 2019
Due to the Dublin City Marathon, where 22,000 people are expected to take part on Sunday, there will be extra trains beforehand from Drogheda, Maynooth and Howth.