Dr. Declan Bedford:

Those figures may officially be for Monday but they will have taken in the latter part of Sunday night. They would be after midnight, for example, and that is interesting. A couple of years ago, research I did indicated that between 15% and 20% of fatal road crashes occurred between 6 a.m. and 10 a.m., when people go to work. People may still have alcohol in their systems at that time.