The first race at the Galway festival today and tomorrow starts at 5 p.m., and admission is £12.
First race on Wednesday and Thursday (Ladies Day) is at 1.50 p.m. and admission is £15. On Friday, first race is at 5 p.m., admission is £12. And on Saturday and Sunday, first race is at 2.30 p.m., and admission is £12.
Gardai may switch off traffic lights at the Headford Road roundabout linking the N6 motorway if necessary, and motorists have been warned of delays.
Motorists approaching Galway from the south and east - the Dublin and Limerick roads - are advised to approach the track via Oranmore, Carnmore, and on the N6 and N18 route.
The new underpass can be approached from the N6 section after the fourth roundabout reached from the east and south, just past Tom Hogan Motors.