Sixteen arrests were made for dangerous driving and drink or drug driving in Killarney over the May Bank Holiday weekend.
Twelve drivers were arrested for dangerous driving while attending the Rally of the Lakes event.
The majority of these incidents were observed by plainclothes gardaí who were deployed as part of the policing plan for the event.
Checkpoints were carried out by the Kerry Divisional Roads Policing Unit throughout the weekend and four drivers were also arrested on suspicion of drink or drug driving.
Eleven people are due to appear before Killarney District Court this morning, while one person has been charged to appear before the courts later this month.
A file will be prepared in relation to the four drivers arrested on suspicion of drink or drug driving.