Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Tue 13 Jan 2004 | Gwynedd | 2 | 2 | Slight |
| Thu 12 Feb 2004 | Gwynedd | 1 | 1 | Serious |
| Mon 23 Feb 2004 | Gwynedd | 1 | 1 | Slight |
| Wed 25 Feb 2004 | Gwynedd | 1 | 1 | Slight |
| Fri 27 Feb 2004 | Gwynedd | 1 | 2 | Slight |
| Sat 27 Mar 2004 | Gwynedd | 2 | 1 | Slight |
| Thu 6 May 2004 | Gwynedd | 2 | 1 | Slight |
| Thu 6 May 2004 | Gwynedd | 2 | 2 | Slight |
| Sun 16 May 2004 | Gwynedd | 2 | 2 | Slight |
| Fri 4 Jun 2004 | Gwynedd | 3 | 1 | Slight |
| Fri 23 Jul 2004 | Gwynedd | 1 | 1 | Slight |
| Sun 25 Jul 2004 | Gwynedd | 2 | 1 | Slight |
| Fri 27 Aug 2004 | Gwynedd | 2 | 1 | Slight |
| Sat 4 Sep 2004 | Gwynedd | 1 | 1 | Slight |
| Tue 7 Sep 2004 | Gwynedd | 1 | 1 | Serious |
| Thu 16 Sep 2004 | Gwynedd | 1 | 2 | Slight |
| Thu 7 Oct 2004 | Gwynedd | 2 | 1 | Slight |
| Sat 16 Oct 2004 | Gwynedd | 2 | 2 | Serious |
| Sun 7 Nov 2004 | Gwynedd | 1 | 1 | Serious |
| Sun 28 Nov 2004 | Wigan | 2 | 4 | Slight |