
The RSA wants people to make sure they're under the limit before getting behind the wheel.
Self-test breathalysers are available in three car parks at Electric Picnic.
The Road Safety Authority says festival-goers in Stradbally can test their blood alcohol levels before deciding to get behind the wheel.
The three-day festival ended last night, with campsites closing this afternoon.
Christine Hegarty, Road Safety and Education manager at the RSA, explains how the breathalyser process works: