Late night Christmas DARTs will start running from this Friday until New Year's Eve.
Irish Rail has also announced a number of permanent timetable changes will take effect from this Sunday.
They include minor alterations to weekend DARTs, new off-peak Maynooth and Phoenix Park Tunnel services, and changes to Northern Commuter services.
Following passenger feedback, a number of morning Northern Commuter services will additionally serve Portmarnock, Clongriffin and Howth Junction.
While one evening Northern Commuter service will additionally serve Clongriffin and Portmarnock.
From December 9th, there will be an additional early morning 06.52hrs Connolly to Malahide DART service.
An Irish Rail spokesperson said the changes will give "much greater flexibility and options to customers".
"The expansion of the hugely successful Phoenix Park Tunnel service from a peak only service to off-peak on weekdays will be very welcome to customers on the service between Hazelhatch and Grand Canal Dock", they said.
LATE NIGHT CHRISTMAS SERVICES
Friday 7th & Saturday 8th December
Friday 14th & Saturday 15th December
Friday 21st & Saturday 22nd December
- 30 & 01.30 from Pearse serving all stations to Howth
- 30 & 01.30 from Connolly serving all stations to Greystones
- 40 & 01.40 from Pearse serving Tara St, Connolly, and all stations from Howth Junction to Dundalk
- 20 & 01.55 from Pearse serving all stations to Maynooth
- 50 & 01.50 from Pearse serving all stations to Drumcondra, and all stations from ParkWest to Kildare
Late night Monday 31st December (after New Year’s Eve concerts):
- 30 & 02.30 from Pearse serving all stations to Howth
- 30 & 02.30 from Connolly serving all stations to Greystones
- 40 & 02.40 from Pearse serving Tara St, Connolly, and all stations from Howth Junction to Dundalk
- 20 & 02.55 from Pearse serving all stations to Maynooth
- 50 & 02.50 from Pearse serving all stations to Drumcondra, and all stations from ParkWest to Kildare
Standard fares will apply for late-night services, and customers can also use their Leap cards including weekly, monthly and annual season tickets.
Late night services will have security personnel on board to ensure customer safety.
