Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Thu 25 Mar 1999 | Gwynedd | 2 | 3 | Serious |
| Sun 30 May 1999 | Gwynedd | 2 | 3 | Slight |
| Sun 6 Jun 1999 | Gwynedd | 2 | 2 | Slight |
| Sat 19 Jun 1999 | Gwynedd | 1 | 1 | Serious |
| Sat 18 Sep 1999 | Gwynedd | 1 | 1 | Slight |
| Sun 26 Sep 1999 | Gwynedd | 2 | 1 | Slight |
| Tue 30 Nov 1999 | Gwynedd | 1 | 1 | Slight |