Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Wed 5 Jan 2000 | Cardiff | 2 | 1 | Slight |
| Thu 20 Jan 2000 | Cardiff | 2 | 1 | Slight |
| Wed 9 Feb 2000 | Cardiff | 2 | 2 | Slight |
| Fri 18 Feb 2000 | Cardiff | 2 | 1 | Slight |
| Sun 20 Feb 2000 | Cardiff | 2 | 3 | Slight |
| Mon 21 Feb 2000 | Cardiff | 2 | 1 | Slight |
| Mon 21 Feb 2000 | Cardiff | 2 | 1 | Slight |
| Thu 9 Mar 2000 | Cardiff | 2 | 1 | Slight |
| Thu 23 Mar 2000 | Cardiff | 2 | 1 | Slight |
| Thu 23 Mar 2000 | Cardiff | 3 | 1 | Slight |
| Tue 28 Mar 2000 | Cardiff | 3 | 3 | Slight |
| Thu 6 Apr 2000 | Cardiff | 2 | 1 | Slight |
| Mon 10 Apr 2000 | Cardiff | 2 | 1 | Slight |
| Wed 12 Apr 2000 | Cardiff | 2 | 3 | Serious |
| Wed 12 Apr 2000 | Cardiff | 1 | 1 | Slight |
| Fri 14 Apr 2000 | Cardiff | 2 | 1 | Serious |
| Fri 14 Apr 2000 | Cardiff | 2 | 1 | Slight |
| Sat 22 Apr 2000 | Cardiff | 1 | 1 | Slight |
| Thu 27 Apr 2000 | Cardiff | 2 | 1 | Slight |
| Mon 8 May 2000 | Cardiff | 2 | 1 | Slight |
| Tue 23 May 2000 | Cardiff | 2 | 2 | Slight |
| Tue 30 May 2000 | Cardiff | 3 | 4 | Slight |
| Wed 31 May 2000 | Cardiff | 3 | 2 | Slight |
| Wed 31 May 2000 | Cardiff | 1 | 2 | Serious |
| Mon 5 Jun 2000 | Cardiff | 1 | 1 | Slight |
| Sun 11 Jun 2000 | Cardiff | 1 | 3 | Serious |
| Wed 21 Jun 2000 | Cardiff | 1 | 2 | Serious |
| Sun 25 Jun 2000 | Cardiff | 2 | 3 | Slight |
| Sun 2 Jul 2000 | Cardiff | 3 | 1 | Slight |
| Mon 10 Jul 2000 | The Vale of Glamorgan | 2 | 1 | Slight |
| Mon 17 Jul 2000 | Cardiff | 2 | 1 | Slight |
| Thu 20 Jul 2000 | Cardiff | 2 | 2 | Slight |
| Mon 31 Jul 2000 | Cardiff | 2 | 1 | Slight |
| Thu 17 Aug 2000 | Cardiff | 2 | 1 | Slight |
| Fri 8 Sep 2000 | Cardiff | 1 | 1 | Slight |
| Mon 18 Sep 2000 | Cardiff | 3 | 2 | Slight |
| Mon 18 Sep 2000 | Cardiff | 3 | 3 | Slight |
| Tue 19 Sep 2000 | Cardiff | 2 | 1 | Slight |
| Fri 29 Sep 2000 | Cardiff | 3 | 1 | Serious |
| Sun 1 Oct 2000 | Cardiff | 1 | 1 | Slight |
| Thu 5 Oct 2000 | Cardiff | 2 | 1 | Slight |
| Mon 16 Oct 2000 | Cardiff | 2 | 1 | Slight |
| Sun 29 Oct 2000 | Cardiff | 2 | 3 | Slight |
| Sun 29 Oct 2000 | Cardiff | 4 | 4 | Slight |
| Thu 2 Nov 2000 | Cardiff | 2 | 2 | Slight |
| Wed 8 Nov 2000 | Cardiff | 2 | 1 | Slight |
| Fri 1 Dec 2000 | Cardiff | 2 | 1 | Slight |
| Sun 17 Dec 2000 | The Vale of Glamorgan | 1 | 1 | Serious |
| Fri 22 Dec 2000 | Cardiff | 2 | 3 | Slight |
| Fri 29 Dec 2000 | Cardiff | 2 | 1 | Slight |
| Sat 30 Dec 2000 | Cardiff | 3 | 2 | Slight |