Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Sat 24 Jan 2004 | Neath Port Talbot | 2 | 1 | Slight |
| Sun 25 Jan 2004 | Neath Port Talbot | 1 | 2 | Slight |
| Tue 27 Jan 2004 | Neath Port Talbot | 1 | 1 | Slight |
| Sat 31 Jan 2004 | Neath Port Talbot | 2 | 2 | Slight |
| Thu 12 Feb 2004 | Neath Port Talbot | 2 | 1 | Slight |
| Thu 12 Feb 2004 | Neath Port Talbot | 1 | 1 | Serious |
| Sat 14 Feb 2004 | Carmarthenshire | 2 | 1 | Slight |
| Wed 25 Feb 2004 | Neath Port Talbot | 2 | 1 | Slight |
| Thu 26 Feb 2004 | Carmarthenshire | 2 | 1 | Serious |
| Thu 11 Mar 2004 | Neath Port Talbot | 3 | 1 | Slight |
| Wed 24 Mar 2004 | Neath Port Talbot | 2 | 1 | Slight |
| Sat 27 Mar 2004 | Neath Port Talbot | 2 | 1 | Slight |
| Wed 31 Mar 2004 | Neath Port Talbot | 1 | 1 | Slight |
| Fri 2 Apr 2004 | Carmarthenshire | 4 | 1 | Slight |
| Tue 13 Apr 2004 | Neath Port Talbot | 2 | 1 | Slight |
| Fri 16 Apr 2004 | Neath Port Talbot | 2 | 1 | Slight |
| Tue 4 May 2004 | Carmarthenshire | 2 | 1 | Slight |
| Mon 24 May 2004 | Neath Port Talbot | 2 | 1 | Slight |
| Mon 24 May 2004 | Neath Port Talbot | 2 | 1 | Slight |
| Wed 26 May 2004 | Carmarthenshire | 2 | 1 | Slight |
| Fri 28 May 2004 | Carmarthenshire | 2 | 2 | Serious |
| Sun 6 Jun 2004 | Neath Port Talbot | 3 | 1 | Slight |
| Tue 8 Jun 2004 | Neath Port Talbot | 2 | 1 | Slight |
| Tue 8 Jun 2004 | Neath Port Talbot | 2 | 2 | Slight |
| Tue 15 Jun 2004 | Neath Port Talbot | 2 | 1 | Slight |
| Sun 20 Jun 2004 | Neath Port Talbot | 2 | 1 | Slight |
| Fri 2 Jul 2004 | Neath Port Talbot | 2 | 1 | Slight |
| Fri 9 Jul 2004 | Carmarthenshire | 2 | 1 | Slight |
| Sat 10 Jul 2004 | Neath Port Talbot | 1 | 1 | Slight |
| Fri 16 Jul 2004 | Carmarthenshire | 3 | 1 | Slight |
| Tue 20 Jul 2004 | Neath Port Talbot | 2 | 1 | Slight |
| Wed 21 Jul 2004 | Neath Port Talbot | 2 | 3 | Slight |
| Sat 31 Jul 2004 | Carmarthenshire | 2 | 1 | Slight |
| Mon 9 Aug 2004 | Neath Port Talbot | 2 | 1 | Slight |
| Tue 10 Aug 2004 | Neath Port Talbot | 2 | 1 | Slight |
| Tue 10 Aug 2004 | Neath Port Talbot | 4 | 1 | Slight |
| Tue 17 Aug 2004 | Neath Port Talbot | 2 | 1 | Slight |
| Fri 27 Aug 2004 | Neath Port Talbot | 2 | 1 | Slight |
| Sat 28 Aug 2004 | Neath Port Talbot | 1 | 1 | Slight |
| Tue 31 Aug 2004 | Carmarthenshire | 3 | 1 | Slight |
| Mon 6 Sep 2004 | Neath Port Talbot | 2 | 1 | Slight |
| Fri 10 Sep 2004 | Neath Port Talbot | 2 | 1 | Slight |
| Tue 14 Sep 2004 | Neath Port Talbot | 3 | 3 | Slight |
| Sat 18 Sep 2004 | Carmarthenshire | 2 | 1 | Slight |
| Tue 21 Sep 2004 | Neath Port Talbot | 2 | 2 | Slight |
| Mon 4 Oct 2004 | Neath Port Talbot | 1 | 1 | Slight |
| Mon 11 Oct 2004 | Neath Port Talbot | 3 | 1 | Slight |
| Sat 30 Oct 2004 | Neath Port Talbot | 2 | 1 | Slight |
| Fri 12 Nov 2004 | Carmarthenshire | 3 | 1 | Slight |
| Mon 22 Nov 2004 | Neath Port Talbot | 2 | 1 | Slight |
| Tue 23 Nov 2004 | Neath Port Talbot | 1 | 1 | Slight |
| Fri 31 Dec 2004 | Neath Port Talbot | 2 | 1 | Slight |