Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Thu 6 Jan 2000 | Ceredigion | 1 | 1 | Slight |
| Sat 8 Jan 2000 | Carmarthenshire | 2 | 2 | Slight |
| Sat 8 Jan 2000 | Carmarthenshire | 2 | 1 | Slight |
| Sat 5 Feb 2000 | Carmarthenshire | 2 | 1 | Serious |
| Sat 5 Feb 2000 | Carmarthenshire | 1 | 5 | Slight |
| Tue 8 Feb 2000 | Carmarthenshire | 2 | 2 | Serious |
| Thu 17 Feb 2000 | Carmarthenshire | 1 | 1 | Slight |
| Mon 21 Feb 2000 | Carmarthenshire | 2 | 1 | Slight |
| Thu 24 Feb 2000 | Gwynedd | 2 | 1 | Serious |
| Fri 25 Feb 2000 | Carmarthenshire | 4 | 2 | Serious |
| Thu 2 Mar 2000 | Carmarthenshire | 3 | 1 | Slight |
| Sun 12 Mar 2000 | Carmarthenshire | 1 | 1 | Fatal |
| Sat 18 Mar 2000 | Carmarthenshire | 2 | 2 | Slight |
| Sat 25 Mar 2000 | Carmarthenshire | 2 | 2 | Slight |
| Tue 28 Mar 2000 | Carmarthenshire | 2 | 1 | Slight |
| Tue 28 Mar 2000 | Carmarthenshire | 2 | 1 | Slight |
| Thu 6 Apr 2000 | Carmarthenshire | 2 | 2 | Slight |
| Sun 9 Apr 2000 | Carmarthenshire | 2 | 2 | Slight |
| Wed 12 Apr 2000 | Carmarthenshire | 2 | 2 | Slight |
| Wed 12 Apr 2000 | Carmarthenshire | 1 | 1 | Slight |
| Sun 16 Apr 2000 | Carmarthenshire | 2 | 2 | Slight |
| Sat 29 Apr 2000 | Carmarthenshire | 2 | 1 | Slight |
| Tue 2 May 2000 | Carmarthenshire | 3 | 1 | Slight |
| Fri 5 May 2000 | Carmarthenshire | 1 | 1 | Slight |
| Sat 6 May 2000 | Carmarthenshire | 2 | 1 | Serious |
| Sat 6 May 2000 | Swansea | 5 | 8 | Serious |
| Mon 15 May 2000 | Carmarthenshire | 2 | 1 | Slight |
| Sat 20 May 2000 | Carmarthenshire | 1 | 1 | Serious |
| Wed 24 May 2000 | Swansea | 1 | 1 | Slight |
| Fri 26 May 2000 | Carmarthenshire | 2 | 1 | Slight |
| Thu 1 Jun 2000 | Carmarthenshire | 2 | 2 | Serious |
| Mon 12 Jun 2000 | Carmarthenshire | 2 | 1 | Slight |
| Sun 18 Jun 2000 | Carmarthenshire | 2 | 1 | Serious |
| Fri 23 Jun 2000 | Carmarthenshire | 2 | 3 | Slight |
| Mon 3 Jul 2000 | Carmarthenshire | 1 | 1 | Slight |
| Sat 8 Jul 2000 | Carmarthenshire | 2 | 2 | Slight |
| Tue 11 Jul 2000 | Ceredigion | 1 | 1 | Slight |
| Fri 21 Jul 2000 | Carmarthenshire | 2 | 2 | Serious |
| Tue 25 Jul 2000 | Carmarthenshire | 2 | 4 | Slight |
| Mon 31 Jul 2000 | Carmarthenshire | 3 | 1 | Slight |
| Wed 2 Aug 2000 | Carmarthenshire | 2 | 1 | Slight |
| Wed 2 Aug 2000 | Carmarthenshire | 1 | 2 | Slight |
| Mon 7 Aug 2000 | Carmarthenshire | 3 | 1 | Slight |
| Thu 10 Aug 2000 | Carmarthenshire | 2 | 2 | Serious |
| Thu 10 Aug 2000 | Carmarthenshire | 2 | 1 | Serious |
| Sun 13 Aug 2000 | Carmarthenshire | 2 | 1 | Serious |
| Sun 13 Aug 2000 | Carmarthenshire | 2 | 1 | Serious |
| Tue 15 Aug 2000 | Carmarthenshire | 2 | 3 | Slight |
| Wed 16 Aug 2000 | Carmarthenshire | 2 | 1 | Slight |
| Thu 17 Aug 2000 | Carmarthenshire | 1 | 1 | Serious |
| Tue 29 Aug 2000 | Carmarthenshire | 2 | 1 | Slight |
| Wed 6 Sep 2000 | Carmarthenshire | 1 | 1 | Slight |
| Sun 10 Sep 2000 | Carmarthenshire | 2 | 1 | Serious |
| Mon 18 Sep 2000 | Carmarthenshire | 2 | 1 | Slight |
| Wed 20 Sep 2000 | Carmarthenshire | 1 | 1 | Serious |
| Sun 24 Sep 2000 | Carmarthenshire | 2 | 1 | Slight |
| Fri 29 Sep 2000 | Ceredigion | 1 | 1 | Slight |
| Sat 30 Sep 2000 | Swansea | 1 | 1 | Slight |
| Sat 30 Sep 2000 | Carmarthenshire | 2 | 1 | Slight |
| Tue 3 Oct 2000 | Carmarthenshire | 2 | 2 | Slight |
| Fri 6 Oct 2000 | Ceredigion | 2 | 1 | Slight |
| Sat 28 Oct 2000 | Carmarthenshire | 3 | 2 | Serious |
| Sun 29 Oct 2000 | Carmarthenshire | 2 | 1 | Slight |
| Tue 31 Oct 2000 | Carmarthenshire | 2 | 6 | Serious |
| Sat 4 Nov 2000 | Swansea | 2 | 1 | Slight |
| Sat 4 Nov 2000 | Carmarthenshire | 2 | 3 | Serious |
| Thu 9 Nov 2000 | Carmarthenshire | 2 | 2 | Slight |
| Sat 11 Nov 2000 | Carmarthenshire | 2 | 1 | Slight |
| Mon 13 Nov 2000 | Carmarthenshire | 2 | 5 | Slight |
| Sat 18 Nov 2000 | Carmarthenshire | 3 | 3 | Serious |
| Sat 18 Nov 2000 | Carmarthenshire | 2 | 1 | Slight |
| Tue 21 Nov 2000 | Carmarthenshire | 2 | 1 | Slight |
| Tue 21 Nov 2000 | Carmarthenshire | 2 | 1 | Slight |
| Wed 22 Nov 2000 | Swansea | 2 | 2 | Slight |
| Thu 23 Nov 2000 | Carmarthenshire | 2 | 1 | Slight |
| Mon 27 Nov 2000 | Carmarthenshire | 2 | 1 | Slight |
| Fri 1 Dec 2000 | Carmarthenshire | 2 | 2 | Slight |
| Wed 6 Dec 2000 | Carmarthenshire | 2 | 1 | Slight |
| Fri 8 Dec 2000 | Carmarthenshire | 1 | 1 | Slight |
| Fri 8 Dec 2000 | Carmarthenshire | 2 | 1 | Slight |
| Sat 9 Dec 2000 | Swansea | 2 | 3 | Slight |
| Sat 9 Dec 2000 | Carmarthenshire | 2 | 1 | Slight |
| Sun 10 Dec 2000 | Ceredigion | 2 | 2 | Slight |
| Tue 12 Dec 2000 | Carmarthenshire | 2 | 1 | Slight |
| Wed 13 Dec 2000 | Carmarthenshire | 2 | 2 | Serious |
| Sun 17 Dec 2000 | Carmarthenshire | 2 | 1 | Serious |
| Sat 23 Dec 2000 | Carmarthenshire | 2 | 2 | Slight |
| Mon 25 Dec 2000 | Carmarthenshire | 1 | 1 | Slight |