Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Sat 10 Jan 2004 | Caerphilly | 2 | 2 | Slight |
| Sat 10 Jan 2004 | Caerphilly | 2 | 1 | Slight |
| Mon 12 Jan 2004 | Caerphilly | 2 | 2 | Slight |
| Tue 13 Jan 2004 | Newport | 2 | 1 | Slight |
| Thu 22 Jan 2004 | Caerphilly | 2 | 1 | Slight |
| Thu 29 Jan 2004 | Blaenau Gwent | 1 | 1 | Slight |
| Wed 4 Feb 2004 | Newport | 2 | 1 | Slight |
| Mon 9 Feb 2004 | Blaenau Gwent | 2 | 3 | Slight |
| Mon 23 Feb 2004 | Caerphilly | 1 | 1 | Slight |
| Thu 26 Feb 2004 | Caerphilly | 2 | 1 | Slight |
| Fri 27 Feb 2004 | Caerphilly | 2 | 6 | Slight |
| Tue 2 Mar 2004 | Blaenau Gwent | 2 | 1 | Slight |
| Sat 6 Mar 2004 | Caerphilly | 2 | 1 | Slight |
| Wed 10 Mar 2004 | Newport | 2 | 1 | Slight |
| Fri 12 Mar 2004 | Blaenau Gwent | 2 | 1 | Slight |
| Sat 13 Mar 2004 | Caerphilly | 2 | 5 | Slight |
| Tue 16 Mar 2004 | Newport | 2 | 2 | Slight |
| Tue 16 Mar 2004 | Newport | 2 | 1 | Slight |
| Wed 17 Mar 2004 | Newport | 2 | 2 | Slight |
| Thu 18 Mar 2004 | Newport | 2 | 1 | Slight |
| Fri 26 Mar 2004 | Newport | 4 | 1 | Slight |
| Sat 27 Mar 2004 | Newport | 4 | 5 | Slight |
| Mon 29 Mar 2004 | Caerphilly | 5 | 5 | Slight |
| Tue 6 Apr 2004 | Newport | 2 | 1 | Slight |
| Sat 10 Apr 2004 | Caerphilly | 2 | 1 | Slight |
| Sat 10 Apr 2004 | Caerphilly | 1 | 1 | Slight |
| Mon 12 Apr 2004 | Caerphilly | 1 | 1 | Slight |
| Sat 17 Apr 2004 | Newport | 2 | 1 | Slight |
| Sat 24 Apr 2004 | Newport | 4 | 1 | Slight |
| Thu 29 Apr 2004 | Caerphilly | 2 | 6 | Slight |
| Tue 4 May 2004 | Newport | 2 | 1 | Slight |
| Sun 9 May 2004 | Blaenau Gwent | 1 | 2 | Slight |
| Mon 10 May 2004 | Newport | 2 | 1 | Slight |
| Fri 14 May 2004 | Newport | 2 | 3 | Slight |
| Tue 18 May 2004 | Newport | 2 | 1 | Slight |
| Wed 19 May 2004 | Caerphilly | 3 | 2 | Slight |
| Wed 19 May 2004 | Blaenau Gwent | 1 | 1 | Slight |
| Mon 24 May 2004 | Newport | 4 | 1 | Slight |
| Tue 25 May 2004 | Newport | 2 | 1 | Slight |
| Fri 28 May 2004 | Caerphilly | 2 | 1 | Serious |
| Sat 29 May 2004 | Caerphilly | 1 | 2 | Slight |
| Fri 11 Jun 2004 | Caerphilly | 2 | 1 | Slight |
| Wed 16 Jun 2004 | Caerphilly | 2 | 2 | Slight |
| Fri 18 Jun 2004 | Newport | 2 | 3 | Slight |
| Sat 19 Jun 2004 | Caerphilly | 3 | 9 | Fatal |
| Sun 20 Jun 2004 | Newport | 2 | 1 | Slight |
| Mon 21 Jun 2004 | Blaenau Gwent | 2 | 3 | Serious |
| Mon 21 Jun 2004 | Caerphilly | 2 | 2 | Slight |
| Fri 25 Jun 2004 | Blaenau Gwent | 2 | 1 | Slight |
| Thu 1 Jul 2004 | Newport | 3 | 1 | Slight |
| Tue 6 Jul 2004 | Caerphilly | 2 | 2 | Serious |
| Sat 24 Jul 2004 | Newport | 2 | 1 | Slight |
| Wed 28 Jul 2004 | Caerphilly | 2 | 1 | Slight |
| Wed 11 Aug 2004 | Caerphilly | 2 | 1 | Slight |
| Thu 12 Aug 2004 | Caerphilly | 2 | 1 | Slight |
| Sun 15 Aug 2004 | Caerphilly | 1 | 2 | Slight |
| Mon 16 Aug 2004 | Newport | 2 | 2 | Slight |
| Thu 19 Aug 2004 | Caerphilly | 2 | 1 | Slight |
| Tue 24 Aug 2004 | Caerphilly | 2 | 3 | Fatal |
| Tue 31 Aug 2004 | Blaenau Gwent | 2 | 1 | Slight |
| Wed 1 Sep 2004 | Caerphilly | 1 | 1 | Slight |
| Sat 18 Sep 2004 | Newport | 2 | 1 | Slight |
| Mon 20 Sep 2004 | Caerphilly | 2 | 1 | Slight |
| Tue 28 Sep 2004 | Caerphilly | 2 | 1 | Slight |
| Sat 2 Oct 2004 | Caerphilly | 2 | 1 | Slight |
| Sun 3 Oct 2004 | Caerphilly | 1 | 1 | Slight |
| Mon 4 Oct 2004 | Newport | 2 | 1 | Slight |
| Tue 5 Oct 2004 | Newport | 2 | 2 | Slight |
| Thu 14 Oct 2004 | Caerphilly | 2 | 4 | Slight |
| Wed 27 Oct 2004 | Newport | 2 | 1 | Slight |
| Wed 27 Oct 2004 | Caerphilly | 2 | 2 | Slight |
| Thu 28 Oct 2004 | Newport | 2 | 1 | Slight |
| Sat 30 Oct 2004 | Caerphilly | 2 | 1 | Slight |
| Tue 2 Nov 2004 | Caerphilly | 2 | 2 | Slight |
| Tue 2 Nov 2004 | Blaenau Gwent | 2 | 2 | Slight |
| Mon 8 Nov 2004 | Blaenau Gwent | 3 | 1 | Slight |
| Sat 18 Dec 2004 | Caerphilly | 1 | 2 | Slight |