Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Fri 10 Jan 2003 | Caerphilly | 3 | 2 | Slight |
| Fri 17 Jan 2003 | Caerphilly | 2 | 1 | Slight |
| Tue 21 Jan 2003 | Caerphilly | 1 | 1 | Slight |
| Sun 13 Apr 2003 | Caerphilly | 2 | 2 | Slight |
| Fri 9 May 2003 | Caerphilly | 2 | 2 | Slight |
| Mon 19 May 2003 | Caerphilly | 2 | 1 | Slight |
| Tue 20 May 2003 | Caerphilly | 1 | 1 | Slight |
| Tue 20 May 2003 | Caerphilly | 2 | 3 | Slight |
| Tue 3 Jun 2003 | Caerphilly | 2 | 1 | Slight |
| Sun 15 Jun 2003 | Caerphilly | 2 | 1 | Slight |
| Mon 16 Jun 2003 | Caerphilly | 2 | 1 | Slight |
| Mon 7 Jul 2003 | Caerphilly | 2 | 2 | Slight |
| Tue 15 Jul 2003 | Caerphilly | 1 | 1 | Slight |
| Thu 11 Sep 2003 | Caerphilly | 1 | 1 | Slight |
| Wed 24 Sep 2003 | Caerphilly | 2 | 1 | Slight |
| Tue 30 Sep 2003 | Caerphilly | 2 | 1 | Serious |
| Sat 8 Nov 2003 | Caerphilly | 2 | 1 | Serious |
| Sun 9 Nov 2003 | Caerphilly | 1 | 3 | Slight |
| Wed 12 Nov 2003 | Caerphilly | 2 | 1 | Slight |
| Mon 24 Nov 2003 | Caerphilly | 1 | 3 | Serious |
| Tue 2 Dec 2003 | Caerphilly | 2 | 1 | Slight |
| Sun 14 Dec 2003 | Caerphilly | 2 | 1 | Slight |
| Fri 26 Dec 2003 | Caerphilly | 2 | 1 | Slight |
| Sat 27 Dec 2003 | Caerphilly | 2 | 4 | Serious |