Thousands of people have already arrived at the opening day of the 2014 National Ploughing Championships in Co Laois.
More than 200,000 people are expected to attend the three-day event taking place at Ratheniska near Stradbally.
People travelling to the event are advised to allow plenty of time and to adhere to the special traffic-management plan in operation.
AA Roadwatch says the approach roads to the site are busy this morning - with delays on some of the routes.
Managing director of the National Ploughing Association Anna Mae McHugh said: "It's much bigger than last year and we expect a huge attendance.
"We had an attendance of 228,000 last year, and I have a feeling we're going to extend that this year."