Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Sat 11 Jan 2003 | Caerphilly | 2 | 1 | Slight |
| Tue 28 Jan 2003 | Rhondda, Cynon, Taff | 3 | 1 | Slight |
| Fri 31 Jan 2003 | Caerphilly | 3 | 1 | Slight |
| Fri 7 Feb 2003 | Rhondda, Cynon, Taff | 3 | 1 | Slight |
| Mon 10 Feb 2003 | Newport | 2 | 1 | Slight |
| Sat 15 Feb 2003 | Rhondda, Cynon, Taff | 3 | 5 | Slight |
| Tue 18 Feb 2003 | Caerphilly | 3 | 1 | Slight |
| Sat 8 Mar 2003 | Newport | 2 | 1 | Slight |
| Sat 5 Apr 2003 | Rhondda, Cynon, Taff | 3 | 2 | Slight |
| Tue 8 Apr 2003 | Rhondda, Cynon, Taff | 5 | 1 | Slight |
| Mon 14 Apr 2003 | Newport | 2 | 2 | Slight |
| Wed 16 Apr 2003 | Caerphilly | 2 | 1 | Slight |
| Thu 29 May 2003 | Newport | 2 | 1 | Slight |
| Sat 31 May 2003 | Rhondda, Cynon, Taff | 1 | 1 | Slight |
| Sat 7 Jun 2003 | Caerphilly | 1 | 1 | Slight |
| Wed 11 Jun 2003 | Rhondda, Cynon, Taff | 2 | 1 | Slight |
| Tue 17 Jun 2003 | Caerphilly | 4 | 2 | Slight |
| Wed 23 Jul 2003 | Caerphilly | 2 | 1 | Slight |
| Sat 9 Aug 2003 | Caerphilly | 1 | 1 | Slight |
| Fri 15 Aug 2003 | Caerphilly | 3 | 1 | Slight |
| Sat 30 Aug 2003 | Caerphilly | 2 | 1 | Slight |
| Tue 2 Sep 2003 | Caerphilly | 2 | 1 | Slight |
| Mon 8 Sep 2003 | Newport | 1 | 1 | Serious |
| Sat 20 Sep 2003 | Caerphilly | 2 | 2 | Slight |
| Mon 29 Sep 2003 | Caerphilly | 2 | 1 | Slight |
| Mon 6 Oct 2003 | Caerphilly | 2 | 2 | Slight |
| Tue 7 Oct 2003 | Newport | 2 | 1 | Slight |
| Mon 13 Oct 2003 | Caerphilly | 2 | 1 | Slight |
| Mon 20 Oct 2003 | Newport | 1 | 1 | Slight |
| Wed 29 Oct 2003 | Caerphilly | 2 | 3 | Slight |
| Thu 30 Oct 2003 | Caerphilly | 2 | 1 | Slight |
| Thu 30 Oct 2003 | Caerphilly | 2 | 1 | Slight |
| Thu 30 Oct 2003 | Caerphilly | 2 | 1 | Slight |
| Sat 8 Nov 2003 | Caerphilly | 3 | 3 | Slight |
| Wed 12 Nov 2003 | Caerphilly | 2 | 1 | Slight |
| Sat 15 Nov 2003 | Caerphilly | 2 | 2 | Slight |
| Thu 20 Nov 2003 | Rhondda, Cynon, Taff | 2 | 1 | Slight |
| Thu 20 Nov 2003 | Caerphilly | 2 | 1 | Slight |
| Sun 7 Dec 2003 | Rhondda, Cynon, Taff | 2 | 1 | Slight |
| Sat 13 Dec 2003 | Rhondda, Cynon, Taff | 3 | 2 | Slight |