Thousands of Roscommon fans are set to travel to Croke Park for this afternoon's All-Ireland Football Quarter Final.
The Rossies face Armagh following last week's two-point victory over Tyrone in Omagh.
Dublin is expected to be extremely busy today with the second Taylor Swift concert tonight at the Aviva Stadium, Longitude Festival at Marlay Park, the Saw Doctors are playing in Fairview Park and Pride is also taking place in the city.
Supporters are advised to travel early with the action at Croke Park getting underway at 4pm.
Hugh Lynn from Loughglynn in west Roscommon is the public relations officer of Connacht GAA - he says it's a big day for the county.