Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Wed 3 Jan 2001 | Caerphilly | 1 | 1 | Slight |
| Sun 7 Jan 2001 | Caerphilly | 2 | 2 | Slight |
| Sat 13 Jan 2001 | Cardiff | 2 | 2 | Slight |
| Tue 16 Jan 2001 | Caerphilly | 1 | 1 | Slight |
| Mon 22 Jan 2001 | Caerphilly | 2 | 1 | Slight |
| Wed 24 Jan 2001 | Cardiff | 1 | 1 | Slight |
| Sun 28 Jan 2001 | Cardiff | 1 | 1 | Fatal |
| Mon 29 Jan 2001 | Cardiff | 2 | 1 | Slight |
| Fri 2 Feb 2001 | Cardiff | 2 | 1 | Serious |
| Sat 3 Feb 2001 | Cardiff | 2 | 1 | Slight |
| Sat 3 Feb 2001 | Caerphilly | 2 | 1 | Slight |
| Fri 9 Feb 2001 | Caerphilly | 1 | 2 | Fatal |
| Tue 13 Feb 2001 | Caerphilly | 1 | 2 | Slight |
| Mon 19 Feb 2001 | Cardiff | 3 | 1 | Slight |
| Mon 19 Feb 2001 | Cardiff | 2 | 1 | Slight |
| Thu 22 Feb 2001 | Cardiff | 2 | 2 | Slight |
| Sat 24 Feb 2001 | Caerphilly | 2 | 1 | Slight |
| Sat 3 Mar 2001 | Caerphilly | 1 | 1 | Slight |
| Sun 4 Mar 2001 | Cardiff | 2 | 2 | Slight |
| Wed 7 Mar 2001 | Caerphilly | 2 | 1 | Slight |
| Thu 8 Mar 2001 | Caerphilly | 1 | 1 | Slight |
| Sat 17 Mar 2001 | Cardiff | 2 | 1 | Slight |
| Mon 19 Mar 2001 | Caerphilly | 2 | 1 | Slight |
| Tue 20 Mar 2001 | Cardiff | 2 | 1 | Slight |
| Thu 22 Mar 2001 | Caerphilly | 1 | 1 | Slight |
| Fri 23 Mar 2001 | Caerphilly | 2 | 2 | Slight |
| Fri 23 Mar 2001 | Cardiff | 2 | 1 | Slight |
| Sat 31 Mar 2001 | Cardiff | 2 | 1 | Slight |
| Sat 7 Apr 2001 | Caerphilly | 2 | 3 | Slight |
| Thu 12 Apr 2001 | Caerphilly | 2 | 1 | Slight |
| Wed 18 Apr 2001 | Caerphilly | 2 | 1 | Slight |
| Sun 22 Apr 2001 | Cardiff | 2 | 1 | Slight |
| Mon 7 May 2001 | Caerphilly | 2 | 2 | Slight |
| Fri 18 May 2001 | Cardiff | 1 | 1 | Slight |
| Sat 9 Jun 2001 | Caerphilly | 2 | 3 | Slight |
| Sun 10 Jun 2001 | Cardiff | 1 | 2 | Slight |
| Wed 13 Jun 2001 | Cardiff | 2 | 1 | Slight |
| Fri 15 Jun 2001 | Cardiff | 1 | 1 | Serious |
| Sat 23 Jun 2001 | Cardiff | 1 | 1 | Slight |
| Thu 28 Jun 2001 | Caerphilly | 2 | 1 | Slight |
| Sat 30 Jun 2001 | Caerphilly | 2 | 1 | Slight |
| Mon 9 Jul 2001 | Cardiff | 3 | 2 | Slight |
| Mon 9 Jul 2001 | Caerphilly | 2 | 2 | Slight |
| Tue 10 Jul 2001 | Cardiff | 2 | 1 | Slight |
| Wed 18 Jul 2001 | Cardiff | 2 | 1 | Slight |
| Fri 20 Jul 2001 | Caerphilly | 2 | 2 | Slight |
| Sat 21 Jul 2001 | Cardiff | 3 | 3 | Slight |
| Mon 23 Jul 2001 | Cardiff | 2 | 1 | Slight |
| Thu 2 Aug 2001 | Caerphilly | 2 | 2 | Slight |
| Fri 3 Aug 2001 | Caerphilly | 2 | 1 | Slight |
| Fri 3 Aug 2001 | Cardiff | 2 | 1 | Slight |
| Mon 6 Aug 2001 | Cardiff | 2 | 1 | Serious |
| Thu 23 Aug 2001 | Caerphilly | 2 | 1 | Slight |
| Sat 25 Aug 2001 | Caerphilly | 2 | 2 | Serious |
| Sat 25 Aug 2001 | Caerphilly | 1 | 1 | Serious |
| Sun 26 Aug 2001 | Caerphilly | 2 | 1 | Slight |
| Tue 28 Aug 2001 | Cardiff | 2 | 2 | Slight |
| Thu 30 Aug 2001 | Caerphilly | 2 | 2 | Slight |
| Fri 31 Aug 2001 | Cardiff | 2 | 1 | Slight |
| Sat 8 Sep 2001 | Caerphilly | 2 | 1 | Slight |
| Thu 13 Sep 2001 | Cardiff | 2 | 1 | Slight |
| Fri 14 Sep 2001 | Cardiff | 2 | 2 | Slight |
| Fri 14 Sep 2001 | Caerphilly | 4 | 2 | Slight |
| Fri 14 Sep 2001 | Caerphilly | 2 | 1 | Slight |
| Tue 18 Sep 2001 | Caerphilly | 2 | 1 | Slight |
| Sun 23 Sep 2001 | Caerphilly | 1 | 2 | Serious |
| Mon 24 Sep 2001 | Caerphilly | 1 | 1 | Slight |
| Mon 8 Oct 2001 | Cardiff | 2 | 1 | Slight |
| Sat 13 Oct 2001 | Caerphilly | 1 | 1 | Slight |
| Fri 19 Oct 2001 | Caerphilly | 1 | 1 | Slight |
| Sun 28 Oct 2001 | Caerphilly | 1 | 1 | Slight |
| Sun 28 Oct 2001 | Caerphilly | 2 | 1 | Slight |
| Fri 2 Nov 2001 | Caerphilly | 2 | 1 | Slight |
| Fri 9 Nov 2001 | Cardiff | 1 | 1 | Slight |
| Sat 10 Nov 2001 | Cardiff | 2 | 2 | Slight |
| Tue 13 Nov 2001 | Cardiff | 3 | 2 | Slight |
| Wed 14 Nov 2001 | Cardiff | 3 | 1 | Slight |
| Sat 17 Nov 2001 | Caerphilly | 2 | 2 | Slight |
| Sun 25 Nov 2001 | Cardiff | 2 | 2 | Slight |
| Sun 9 Dec 2001 | Cardiff | 1 | 1 | Slight |
| Sun 16 Dec 2001 | Cardiff | 1 | 1 | Slight |
| Wed 19 Dec 2001 | Caerphilly | 2 | 2 | Serious |
| Fri 21 Dec 2001 | Cardiff | 1 | 1 | Slight |
| Tue 25 Dec 2001 | Cardiff | 1 | 1 | Slight |