Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Thu 8 Jan 2004 | St. Albans | 2 | 1 | Slight |
| Mon 9 Feb 2004 | St. Albans | 2 | 1 | Slight |
| Tue 10 Feb 2004 | St. Albans | 2 | 4 | Slight |
| Sun 22 Feb 2004 | Welwyn Hatfield | 2 | 1 | Slight |
| Thu 26 Feb 2004 | Welwyn Hatfield | 2 | 1 | Serious |
| Thu 26 Feb 2004 | Welwyn Hatfield | 2 | 1 | Serious |
| Fri 27 Feb 2004 | Welwyn Hatfield | 2 | 1 | Serious |
| Mon 10 May 2004 | Welwyn Hatfield | 2 | 1 | Slight |
| Mon 10 May 2004 | Welwyn Hatfield | 2 | 1 | Slight |
| Sat 15 May 2004 | St. Albans | 2 | 1 | Slight |
| Tue 18 May 2004 | St. Albans | 2 | 1 | Slight |
| Tue 25 May 2004 | St. Albans | 2 | 1 | Slight |
| Sun 13 Jun 2004 | St. Albans | 2 | 1 | Slight |
| Tue 15 Jun 2004 | St. Albans | 3 | 1 | Slight |
| Fri 2 Jul 2004 | St. Albans | 3 | 2 | Serious |
| Sun 1 Aug 2004 | Welwyn Hatfield | 1 | 2 | Serious |
| Fri 17 Sep 2004 | South Bedfordshire | 2 | 3 | Slight |
| Fri 15 Oct 2004 | St. Albans | 2 | 2 | Slight |
| Tue 26 Oct 2004 | South Bedfordshire | 2 | 1 | Slight |
| Thu 28 Oct 2004 | St. Albans | 1 | 1 | Slight |
| Thu 11 Nov 2004 | St. Albans | 1 | 1 | Slight |
| Sun 28 Nov 2004 | St. Albans | 3 | 2 | Slight |
| Tue 14 Dec 2004 | South Bedfordshire | 3 | 1 | Serious |