Slane Castle owner Lord Henry Mountcharles last night promised a concert to "knock your eyes out" when Madonna appears at the Meath outdoor venue tomorrow.
Her special turntable stage weighs 40 tons and moves, and the large screen, which forms the backdrop to the stage, breaks into smaller pieces. Tickets are still available for Slane tomorrow.
In Slane village gardaí are to erect checkpoints from 8 p.m. tonight and traffic diversions taking all but concert goers away from the N2 come into force at 8 a.m. tomorrow until around 3 a.m. on Monday.
The Garda chief overseeing the security operation has urged people to stay away from the River Boyne which runs past the concert site.
"It is still in flood and I am stressing to patrons to stay away from it.
"It is also important that they remember the gates are not opening until 4 p.m. and there is no point assembling in the village until just beforehand because they will not get access to the site," said Chief Supt Michael Finnegan.
The 2,000 VIP guests who will watch Madonna from the compound in front of the castle will sip their way through 400 bottles of champagne with an entire marquee devoted to champagne and seafood. For the 250 or so VIPs, Lord Henry Mountcharles will host a private party in the castle on Sunday afternoon, which hospitality specialists Corporate Solutions said "will include a number of Irish, as well as international, high-fliers".
Madonna's backstage requests include 25 cases of Kaballah water and one large cup of Throat Coat Honey Lemon tea, to be consumed before the show.
Gardaí have warned motorists that only those with legitimate tickets will be allowed past the checkpoints into the village.
Traffic originating in the south and west should head for the M50 and then take the N3 exit to Navan then the N51 from Navan to Slane.
Traffic approaching from Drogheda should take the main Drogheda to Slane road.
Traffic from the North should follow the M1 as far as the Dunleer intersection and then on to Collon.
People with disabilities should approach from Navan via the N51; car-parking is available beside the concert site.
Traffic on the N2, the main Dublin-Derry road, unless heading to the concert, will be diverted south of Slane at Kilmoon Cross and north of Slane at Collon.