Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Thu 8 Jan 2004 | Dacorum | 2 | 1 | Slight |
| Mon 12 Jan 2004 | Dacorum | 2 | 1 | Slight |
| Tue 13 Jan 2004 | Dacorum | 2 | 2 | Slight |
| Thu 15 Jan 2004 | Dacorum | 2 | 1 | Slight |
| Mon 19 Jan 2004 | Dacorum | 3 | 2 | Serious |
| Sat 24 Jan 2004 | Dacorum | 3 | 1 | Serious |
| Mon 26 Jan 2004 | Dacorum | 3 | 2 | Slight |
| Sat 28 Feb 2004 | Dacorum | 2 | 2 | Slight |
| Tue 2 Mar 2004 | Dacorum | 1 | 1 | Slight |
| Sat 6 Mar 2004 | Dacorum | 1 | 2 | Slight |
| Fri 12 Mar 2004 | Dacorum | 2 | 2 | Slight |
| Sat 13 Mar 2004 | Dacorum | 2 | 1 | Slight |
| Sun 21 Mar 2004 | Dacorum | 2 | 1 | Serious |
| Wed 24 Mar 2004 | Dacorum | 2 | 1 | Slight |
| Mon 5 Apr 2004 | Dacorum | 2 | 1 | Slight |
| Mon 5 Apr 2004 | Dacorum | 2 | 1 | Slight |
| Sun 9 May 2004 | Dacorum | 1 | 2 | Serious |
| Fri 21 May 2004 | Dacorum | 3 | 7 | Serious |
| Thu 3 Jun 2004 | Dacorum | 3 | 2 | Slight |
| Wed 9 Jun 2004 | Dacorum | 1 | 2 | Slight |
| Sat 12 Jun 2004 | Dacorum | 2 | 3 | Slight |
| Mon 21 Jun 2004 | Dacorum | 1 | 1 | Slight |
| Thu 24 Jun 2004 | Dacorum | 3 | 1 | Slight |
| Sun 4 Jul 2004 | Dacorum | 4 | 4 | Slight |
| Thu 8 Jul 2004 | Dacorum | 2 | 1 | Slight |
| Wed 14 Jul 2004 | Dacorum | 3 | 3 | Slight |
| Thu 15 Jul 2004 | Three Rivers | 4 | 2 | Slight |
| Sat 24 Jul 2004 | Dacorum | 3 | 2 | Slight |
| Fri 27 Aug 2004 | Dacorum | 2 | 1 | Slight |
| Sat 28 Aug 2004 | Dacorum | 2 | 1 | Slight |
| Sat 11 Sep 2004 | Dacorum | 2 | 2 | Slight |
| Sat 11 Sep 2004 | Dacorum | 2 | 2 | Slight |
| Sun 12 Sep 2004 | Dacorum | 2 | 1 | Slight |
| Fri 1 Oct 2004 | Dacorum | 2 | 1 | Slight |
| Sun 3 Oct 2004 | Dacorum | 2 | 2 | Slight |
| Sun 10 Oct 2004 | Dacorum | 2 | 1 | Slight |
| Wed 20 Oct 2004 | Dacorum | 1 | 1 | Slight |
| Sun 7 Nov 2004 | Dacorum | 1 | 1 | Slight |
| Fri 3 Dec 2004 | Dacorum | 3 | 1 | Slight |
| Mon 6 Dec 2004 | Dacorum | 1 | 1 | Slight |
| Mon 6 Dec 2004 | Dacorum | 1 | 1 | Serious |
| Mon 6 Dec 2004 | Dacorum | 2 | 2 | Slight |
| Tue 7 Dec 2004 | Dacorum | 2 | 1 | Slight |
| Wed 15 Dec 2004 | Dacorum | 2 | 2 | Slight |
| Mon 27 Dec 2004 | Dacorum | 2 | 1 | Slight |