Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Thu 29 Jan 1998 | Gwynedd | 2 | 2 | Slight |
| Sun 19 Apr 1998 | Gwynedd | 2 | 1 | Slight |
| Mon 27 Apr 1998 | Gwynedd | 2 | 2 | Slight |
| Tue 5 May 1998 | Gwynedd | 2 | 3 | Slight |
| Thu 14 May 1998 | Gwynedd | 1 | 1 | Slight |
| Fri 29 May 1998 | Gwynedd | 2 | 1 | Slight |
| Fri 29 May 1998 | Gwynedd | 2 | 1 | Slight |
| Fri 5 Jun 1998 | Gwynedd | 2 | 1 | Slight |
| Sat 13 Jun 1998 | Gwynedd | 2 | 2 | Slight |
| Mon 15 Jun 1998 | Gwynedd | 2 | 1 | Slight |
| Wed 22 Jul 1998 | Gwynedd | 3 | 2 | Slight |
| Tue 28 Jul 1998 | Gwynedd | 1 | 2 | Slight |
| Sat 22 Aug 1998 | Gwynedd | 2 | 2 | Slight |
| Mon 5 Oct 1998 | Gwynedd | 2 | 1 | Slight |
| Thu 8 Oct 1998 | Gwynedd | 2 | 1 | Slight |
| Fri 16 Oct 1998 | Gwynedd | 2 | 4 | Slight |
| Sun 18 Oct 1998 | Gwynedd | 1 | 2 | Slight |
| Fri 30 Oct 1998 | Gwynedd | 2 | 4 | Slight |
| Fri 20 Nov 1998 | Gwynedd | 2 | 1 | Slight |
| Tue 8 Dec 1998 | Gwynedd | 2 | 2 | Slight |