This Friday, Saturday and Sunday more than 240,000 people will pour into - and out of - Croke Park to see the world's biggest boyband perform live.
The stadium will open at 5PM each day. Croke Park says early queuing won't be allowed, and anyone hanging around before 5PM will be turned away, and told to come back later.
The stadium is being divided up into colour-coded sections for the gigs, so getting there early won't make any difference to where you end up standing.
One Direction will be on stage at 7:45PM, while their support act - 5 Seconds of Summer - will be on stage at 6:30PM.
The show ends each night at 10:15PM.
If you're going, or dropping someone to one of the gigs, Gardaí are asking you to use public transport.
Extra buses, trains and trams are being put on every day that One Direction are playing.
Trains and the DART:
Nearest stop is Drumcondra. It's about a 5 minute walk to the stadium from here. Trains will also stop at Connolly, which is a 15 minute walk away.
Irish Rail is also putting on extra late night trains.
00:30hrs Dublin Heuston to Galway serving Tullamore, Athlone, Ballinasloe, Athenry, Oranmore and Galway.
00:40hrs Dublin Heuston to Cork/Limerick serving Limerick Jct. (with connection to Limerick), Charleville, Mallow and Cork.
LUAS:
Extra LUAS trams will be running all weekend for the concerts. Get off at Bus Aras or Connolly, and walk from there. Again, it's a mile away or about 15 minutes. They'll also be running extra late trams after the gigs.
Bus:
Dublin Bus and Bus Eireann are both running extra buses across the weekend to service Croke Park.
Here's what buses stop where, and what direction you'll need to walk in:
Can I not take my car?
You can, but Gardaí say it's best not to as traffic will be heavy and you won't get to park, drop off or pick up anywhere near the stadium.
The nearest car parks are:
- Clonliffe College
- Q-Park Clerys, Marlborough St., Dublin 1.
- Mater Hospital Car Park
- Park Rite Parnell
- Park Rite Irish life
- Park Rite IFSC
- Park Rite Fleet Street
- Park Rite Arnotts
Where can I meet my kids after the show?
Gardaí have set up two areas where adults can collect children from. They're at Mountjoy Square East and the Mater Dei Car Park, Clonliffe Road.
Parents will not be allowed to wait outside Croke Park or around Jones' Road to meet their children.
If you need more information on travel these websites may help:
And you'll get more information on the gig itself here:
Enjoy the show, and don't forget to tweet us your photos from Croke Park - we're @98FM!