Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Thu 22 May 2003 | The Vale of Glamorgan | 2 | 2 | Slight |
| Tue 27 May 2003 | The Vale of Glamorgan | 2 | 1 | Slight |
| Thu 5 Jun 2003 | The Vale of Glamorgan | 1 | 2 | Slight |
| Sat 14 Jun 2003 | The Vale of Glamorgan | 2 | 1 | Slight |
| Mon 23 Jun 2003 | The Vale of Glamorgan | 2 | 1 | Slight |
| Sat 12 Jul 2003 | The Vale of Glamorgan | 2 | 1 | Slight |
| Sun 13 Jul 2003 | The Vale of Glamorgan | 2 | 1 | Serious |
| Mon 21 Jul 2003 | The Vale of Glamorgan | 2 | 3 | Slight |
| Fri 22 Aug 2003 | The Vale of Glamorgan | 3 | 3 | Slight |
| Fri 3 Oct 2003 | The Vale of Glamorgan | 2 | 2 | Fatal |