Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Fri 26 Feb 1999 | Gwynedd | 2 | 1 | Slight |
| Sat 20 Mar 1999 | Gwynedd | 1 | 2 | Slight |
| Mon 29 Mar 1999 | Gwynedd | 1 | 2 | Slight |
| Sat 17 Apr 1999 | Gwynedd | 2 | 5 | Slight |
| Thu 1 Jul 1999 | Gwynedd | 1 | 1 | Slight |
| Thu 21 Oct 1999 | Gwynedd | 2 | 2 | Slight |
| Wed 27 Oct 1999 | Gwynedd | 1 | 1 | Slight |
| Sat 4 Dec 1999 | Gwynedd | 3 | 2 | Slight |
| Wed 29 Dec 1999 | Gwynedd | 1 | 1 | Slight |