Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Wed 25 Feb 1998 | Gwynedd | 2 | 1 | Slight |
| Fri 6 Mar 1998 | Gwynedd | 2 | 1 | Slight |
| Tue 31 Mar 1998 | Gwynedd | 1 | 1 | Slight |
| Thu 9 Apr 1998 | Gwynedd | 2 | 3 | Slight |
| Wed 15 Apr 1998 | Gwynedd | 2 | 7 | Fatal |
| Fri 29 May 1998 | Gwynedd | 2 | 2 | Slight |
| Thu 30 Jul 1998 | Gwynedd | 3 | 4 | Slight |
| Fri 14 Aug 1998 | Gwynedd | 3 | 3 | Slight |
| Sat 29 Aug 1998 | Gwynedd | 2 | 2 | Slight |
| Sat 29 Aug 1998 | Gwynedd | 4 | 5 | Serious |
| Sat 12 Sep 1998 | Gwynedd | 2 | 1 | Slight |
| Sat 26 Sep 1998 | Gwynedd | 1 | 1 | Slight |
| Wed 30 Sep 1998 | Gwynedd | 2 | 1 | Slight |
| Tue 20 Oct 1998 | Gwynedd | 2 | 1 | Slight |
| Mon 30 Nov 1998 | Gwynedd | 1 | 2 | Slight |
| Fri 25 Dec 1998 | Gwynedd | 1 | 1 | Serious |