In 2020, there were 47,077 detections for motoring offences in Northern Ireland, a decrease of 2,816 (6%) offences on the 49,893 detections recorded in 2019.

The number of arrests for drink/drug driving offences in 2020 was 3,117 resulting in 2,942 drink/drug driving offences being referred for prosecution, with the worst offender being 6 times over the limit (table 9). This is a decrease from 3,667 arrests and 3,437 offences referred for prosecution in 2011 (a decrease of 15%). Drink/drug driving continues to be a major contributor in fatal and serious injury road traffic collisions as ‘impaired by alcohol/drugs – driver/rider’ was the 4th most common principal causation factor for such collisions between January and November 20209. Further analysis identifying issues and trends in relation to fatal and serious collisions caused by drink driving has been completed by Department for Infrastructure