The motorist was stopped at a checkpoint after a garda noticed a strong smell of cannabis from his vehicle

In a statement issued on Monday, Byrne (52) said he was travelling from his hotel to Dublin Airport on Thursday morning to catch a flight to a conference abroad.

Over the weekend, there were two fatalities on our roads, while six serious collisions resulted in six individuals sustaining severe and life-threatening injuries.

143 people have been killed on the roads so far this year.