Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Wed 8 Jan 2003 | Carmarthenshire | 2 | 2 | Slight |
| Fri 10 Jan 2003 | Carmarthenshire | 2 | 2 | Slight |
| Mon 13 Jan 2003 | Carmarthenshire | 2 | 1 | Slight |
| Thu 16 Jan 2003 | Carmarthenshire | 1 | 1 | Serious |
| Sat 18 Jan 2003 | Carmarthenshire | 2 | 1 | Slight |
| Sun 26 Jan 2003 | Carmarthenshire | 1 | 2 | Serious |
| Mon 27 Jan 2003 | Carmarthenshire | 2 | 3 | Serious |
| Fri 31 Jan 2003 | Carmarthenshire | 1 | 1 | Slight |
| Fri 14 Feb 2003 | Carmarthenshire | 3 | 2 | Slight |
| Fri 14 Feb 2003 | Carmarthenshire | 1 | 1 | Serious |
| Sun 23 Feb 2003 | Carmarthenshire | 2 | 2 | Slight |
| Fri 28 Feb 2003 | Carmarthenshire | 2 | 2 | Serious |
| Sat 1 Mar 2003 | Swansea | 2 | 1 | Slight |
| Thu 6 Mar 2003 | Carmarthenshire | 3 | 6 | Slight |
| Fri 7 Mar 2003 | Carmarthenshire | 2 | 2 | Slight |
| Sat 8 Mar 2003 | Carmarthenshire | 1 | 1 | Slight |
| Tue 18 Mar 2003 | Carmarthenshire | 2 | 1 | Slight |
| Thu 20 Mar 2003 | Carmarthenshire | 3 | 1 | Slight |
| Sun 23 Mar 2003 | Ceredigion | 2 | 1 | Slight |
| Tue 25 Mar 2003 | Carmarthenshire | 2 | 1 | Slight |
| Wed 26 Mar 2003 | Carmarthenshire | 2 | 1 | Slight |
| Wed 26 Mar 2003 | Carmarthenshire | 2 | 1 | Slight |
| Sat 29 Mar 2003 | Carmarthenshire | 1 | 1 | Fatal |
| Wed 30 Apr 2003 | Carmarthenshire | 2 | 1 | Serious |
| Thu 1 May 2003 | Carmarthenshire | 2 | 1 | Slight |
| Sat 3 May 2003 | Carmarthenshire | 3 | 2 | Slight |
| Thu 8 May 2003 | Carmarthenshire | 2 | 1 | Serious |
| Sat 24 May 2003 | Carmarthenshire | 2 | 2 | Slight |
| Sat 31 May 2003 | Carmarthenshire | 2 | 2 | Slight |
| Tue 3 Jun 2003 | Carmarthenshire | 2 | 1 | Slight |
| Wed 11 Jun 2003 | Carmarthenshire | 2 | 2 | Slight |
| Thu 12 Jun 2003 | Carmarthenshire | 1 | 1 | Serious |
| Fri 13 Jun 2003 | Carmarthenshire | 2 | 4 | Slight |
| Tue 17 Jun 2003 | Carmarthenshire | 3 | 1 | Slight |
| Thu 19 Jun 2003 | Carmarthenshire | 1 | 1 | Slight |
| Thu 19 Jun 2003 | Carmarthenshire | 3 | 3 | Slight |
| Tue 24 Jun 2003 | Carmarthenshire | 2 | 1 | Slight |
| Sat 5 Jul 2003 | Carmarthenshire | 2 | 2 | Slight |
| Mon 21 Jul 2003 | Carmarthenshire | 3 | 4 | Serious |
| Sun 27 Jul 2003 | Swansea | 4 | 2 | Slight |
| Mon 28 Jul 2003 | Carmarthenshire | 1 | 4 | Slight |
| Thu 31 Jul 2003 | Carmarthenshire | 3 | 1 | Slight |
| Thu 31 Jul 2003 | Carmarthenshire | 2 | 4 | Slight |
| Tue 12 Aug 2003 | Carmarthenshire | 2 | 1 | Slight |
| Sat 16 Aug 2003 | Carmarthenshire | 2 | 1 | Slight |
| Sun 17 Aug 2003 | Carmarthenshire | 1 | 1 | Slight |
| Mon 1 Sep 2003 | Ceredigion | 2 | 1 | Slight |
| Mon 1 Sep 2003 | Carmarthenshire | 1 | 1 | Slight |
| Wed 3 Sep 2003 | Carmarthenshire | 1 | 1 | Slight |
| Fri 5 Sep 2003 | Carmarthenshire | 2 | 2 | Slight |
| Wed 10 Sep 2003 | Carmarthenshire | 2 | 1 | Slight |
| Sat 13 Sep 2003 | Swansea | 4 | 3 | Slight |
| Wed 17 Sep 2003 | Carmarthenshire | 2 | 2 | Slight |
| Sat 20 Sep 2003 | Ceredigion | 2 | 1 | Slight |
| Wed 24 Sep 2003 | Carmarthenshire | 2 | 1 | Slight |
| Fri 26 Sep 2003 | Swansea | 2 | 2 | Slight |
| Fri 3 Oct 2003 | Swansea | 3 | 1 | Serious |
| Sat 4 Oct 2003 | Carmarthenshire | 2 | 1 | Slight |
| Wed 15 Oct 2003 | Carmarthenshire | 3 | 3 | Slight |
| Sat 18 Oct 2003 | Carmarthenshire | 3 | 5 | Serious |
| Wed 22 Oct 2003 | Carmarthenshire | 2 | 2 | Slight |
| Fri 24 Oct 2003 | Carmarthenshire | 2 | 1 | Slight |
| Mon 27 Oct 2003 | Ceredigion | 2 | 2 | Slight |
| Fri 31 Oct 2003 | Carmarthenshire | 1 | 1 | Slight |
| Fri 7 Nov 2003 | Carmarthenshire | 1 | 1 | Fatal |
| Mon 10 Nov 2003 | Carmarthenshire | 1 | 2 | Fatal |
| Tue 11 Nov 2003 | Carmarthenshire | 3 | 1 | Slight |
| Wed 12 Nov 2003 | Carmarthenshire | 1 | 1 | Slight |
| Fri 14 Nov 2003 | Carmarthenshire | 1 | 1 | Serious |
| Fri 14 Nov 2003 | Carmarthenshire | 1 | 3 | Slight |
| Wed 19 Nov 2003 | Carmarthenshire | 2 | 1 | Slight |
| Thu 20 Nov 2003 | Carmarthenshire | 1 | 1 | Slight |
| Thu 27 Nov 2003 | Carmarthenshire | 1 | 1 | Slight |
| Sat 29 Nov 2003 | Carmarthenshire | 1 | 1 | Serious |
| Fri 5 Dec 2003 | Carmarthenshire | 2 | 1 | Slight |
| Fri 5 Dec 2003 | Swansea | 1 | 1 | Slight |
| Sat 6 Dec 2003 | Carmarthenshire | 2 | 1 | Slight |
| Sat 6 Dec 2003 | Carmarthenshire | 2 | 3 | Serious |
| Sun 7 Dec 2003 | Carmarthenshire | 1 | 1 | Serious |
| Fri 12 Dec 2003 | Carmarthenshire | 2 | 2 | Slight |
| Mon 15 Dec 2003 | Carmarthenshire | 2 | 1 | Fatal |
| Thu 18 Dec 2003 | Carmarthenshire | 2 | 1 | Slight |
| Thu 18 Dec 2003 | Carmarthenshire | 2 | 1 | Slight |
| Sat 20 Dec 2003 | Ceredigion | 1 | 1 | Slight |
| Fri 26 Dec 2003 | Carmarthenshire | 2 | 1 | Slight |
| Sat 27 Dec 2003 | Carmarthenshire | 2 | 1 | Slight |