Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Fri 2 Jan 2004 | North Hertfordshire | 2 | 1 | Slight |
| Thu 8 Jan 2004 | Luton | 2 | 1 | Slight |
| Fri 9 Jan 2004 | Luton | 2 | 1 | Slight |
| Sat 10 Jan 2004 | South Bedfordshire | 2 | 1 | Slight |
| Mon 12 Jan 2004 | Luton | 3 | 1 | Slight |
| Wed 14 Jan 2004 | North Hertfordshire | 2 | 1 | Slight |
| Wed 14 Jan 2004 | Luton | 1 | 1 | Slight |
| Thu 15 Jan 2004 | Luton | 2 | 1 | Slight |
| Sat 17 Jan 2004 | North Hertfordshire | 2 | 2 | Fatal |
| Sat 17 Jan 2004 | North Hertfordshire | 1 | 1 | Slight |
| Mon 19 Jan 2004 | Luton | 2 | 2 | Slight |
| Wed 21 Jan 2004 | North Hertfordshire | 1 | 1 | Serious |
| Fri 23 Jan 2004 | North Hertfordshire | 2 | 2 | Slight |
| Fri 23 Jan 2004 | North Hertfordshire | 2 | 2 | Slight |
| Thu 29 Jan 2004 | North Hertfordshire | 2 | 1 | Slight |
| Fri 30 Jan 2004 | North Hertfordshire | 1 | 1 | Slight |
| Fri 30 Jan 2004 | South Cambridgeshire | 3 | 1 | Slight |
| Sun 1 Feb 2004 | North Hertfordshire | 3 | 2 | Slight |
| Thu 5 Feb 2004 | Luton | 2 | 1 | Slight |
| Sat 7 Feb 2004 | North Hertfordshire | 2 | 3 | Slight |
| Sat 7 Feb 2004 | North Hertfordshire | 2 | 3 | Slight |
| Sat 7 Feb 2004 | Luton | 2 | 1 | Slight |
| Sun 8 Feb 2004 | Luton | 2 | 2 | Slight |
| Mon 9 Feb 2004 | Luton | 2 | 1 | Slight |
| Wed 11 Feb 2004 | North Hertfordshire | 2 | 3 | Slight |
| Thu 12 Feb 2004 | North Hertfordshire | 1 | 1 | Slight |
| Mon 16 Feb 2004 | Luton | 2 | 3 | Slight |
| Wed 18 Feb 2004 | North Hertfordshire | 2 | 1 | Slight |
| Thu 19 Feb 2004 | North Hertfordshire | 1 | 1 | Slight |
| Sat 21 Feb 2004 | Luton | 2 | 1 | Slight |
| Sun 22 Feb 2004 | Luton | 2 | 2 | Slight |
| Wed 25 Feb 2004 | North Hertfordshire | 1 | 1 | Slight |
| Thu 26 Feb 2004 | South Cambridgeshire | 2 | 1 | Slight |
| Thu 26 Feb 2004 | Luton | 2 | 1 | Slight |
| Sat 28 Feb 2004 | South Cambridgeshire | 3 | 4 | Serious |
| Mon 1 Mar 2004 | Luton | 3 | 1 | Slight |
| Wed 3 Mar 2004 | Luton | 2 | 1 | Slight |
| Thu 4 Mar 2004 | South Bedfordshire | 2 | 2 | Slight |
| Sun 7 Mar 2004 | North Hertfordshire | 1 | 1 | Serious |
| Tue 9 Mar 2004 | Luton | 2 | 1 | Slight |
| Fri 12 Mar 2004 | North Hertfordshire | 1 | 1 | Slight |
| Fri 12 Mar 2004 | South Bedfordshire | 1 | 1 | Slight |
| Fri 12 Mar 2004 | South Bedfordshire | 2 | 2 | Slight |
| Sat 13 Mar 2004 | Luton | 3 | 5 | Slight |
| Mon 15 Mar 2004 | North Hertfordshire | 2 | 2 | Slight |
| Fri 19 Mar 2004 | South Bedfordshire | 2 | 1 | Slight |
| Fri 19 Mar 2004 | South Bedfordshire | 2 | 1 | Slight |
| Thu 25 Mar 2004 | Luton | 2 | 2 | Slight |
| Thu 25 Mar 2004 | North Hertfordshire | 2 | 1 | Slight |
| Thu 25 Mar 2004 | North Hertfordshire | 2 | 1 | Slight |
| Fri 26 Mar 2004 | Luton | 1 | 1 | Serious |
| Thu 1 Apr 2004 | Luton | 1 | 1 | Slight |
| Fri 2 Apr 2004 | South Cambridgeshire | 2 | 1 | Slight |
| Sat 3 Apr 2004 | Luton | 2 | 1 | Slight |
| Sun 4 Apr 2004 | Luton | 1 | 1 | Slight |
| Tue 6 Apr 2004 | North Hertfordshire | 3 | 2 | Slight |
| Sat 10 Apr 2004 | North Hertfordshire | 1 | 2 | Slight |
| Mon 12 Apr 2004 | Luton | 2 | 2 | Slight |
| Wed 14 Apr 2004 | Luton | 1 | 1 | Fatal |
| Thu 15 Apr 2004 | North Hertfordshire | 2 | 1 | Slight |
| Thu 15 Apr 2004 | North Hertfordshire | 1 | 1 | Slight |
| Sun 18 Apr 2004 | North Hertfordshire | 1 | 1 | Serious |
| Tue 20 Apr 2004 | Luton | 1 | 1 | Serious |
| Sat 24 Apr 2004 | North Hertfordshire | 2 | 1 | Serious |
| Sun 2 May 2004 | North Hertfordshire | 2 | 4 | Slight |
| Tue 4 May 2004 | South Cambridgeshire | 1 | 2 | Serious |
| Tue 4 May 2004 | Luton | 2 | 1 | Slight |
| Thu 6 May 2004 | Luton | 2 | 1 | Slight |
| Sat 8 May 2004 | North Hertfordshire | 1 | 1 | Slight |
| Sat 8 May 2004 | South Cambridgeshire | 2 | 1 | Slight |
| Fri 14 May 2004 | South Bedfordshire | 2 | 1 | Slight |
| Mon 17 May 2004 | North Hertfordshire | 2 | 1 | Slight |
| Mon 17 May 2004 | North Hertfordshire | 2 | 1 | Slight |
| Wed 19 May 2004 | North Hertfordshire | 2 | 1 | Slight |
| Wed 19 May 2004 | South Bedfordshire | 2 | 1 | Slight |
| Thu 20 May 2004 | North Hertfordshire | 2 | 1 | Serious |
| Fri 21 May 2004 | South Bedfordshire | 2 | 1 | Slight |
| Sun 23 May 2004 | Luton | 3 | 1 | Slight |
| Mon 24 May 2004 | South Cambridgeshire | 2 | 1 | Slight |
| Mon 24 May 2004 | South Cambridgeshire | 2 | 1 | Slight |
| Wed 26 May 2004 | South Cambridgeshire | 2 | 1 | Serious |
| Thu 27 May 2004 | North Hertfordshire | 2 | 2 | Slight |
| Thu 27 May 2004 | North Hertfordshire | 2 | 2 | Slight |
| Thu 27 May 2004 | Luton | 2 | 1 | Slight |
| Fri 28 May 2004 | Luton | 2 | 1 | Slight |
| Sun 30 May 2004 | Luton | 1 | 1 | Slight |
| Mon 31 May 2004 | Luton | 3 | 1 | Slight |
| Tue 1 Jun 2004 | South Cambridgeshire | 3 | 6 | Fatal |
| Thu 3 Jun 2004 | South Bedfordshire | 2 | 1 | Slight |
| Thu 3 Jun 2004 | North Hertfordshire | 2 | 1 | Slight |
| Sun 6 Jun 2004 | South Cambridgeshire | 2 | 1 | Slight |
| Sun 6 Jun 2004 | North Hertfordshire | 2 | 3 | Slight |
| Sun 6 Jun 2004 | North Hertfordshire | 1 | 1 | Slight |
| Mon 7 Jun 2004 | South Bedfordshire | 2 | 1 | Slight |
| Tue 8 Jun 2004 | South Bedfordshire | 2 | 1 | Slight |
| Wed 9 Jun 2004 | Luton | 2 | 1 | Slight |
| Thu 10 Jun 2004 | South Cambridgeshire | 2 | 2 | Slight |
| Fri 11 Jun 2004 | South Bedfordshire | 2 | 1 | Slight |
| Sat 12 Jun 2004 | Luton | 2 | 1 | Slight |
| Tue 15 Jun 2004 | North Hertfordshire | 3 | 1 | Slight |
| Wed 16 Jun 2004 | South Cambridgeshire | 2 | 1 | Serious |
| Wed 16 Jun 2004 | South Cambridgeshire | 2 | 2 | Slight |
| Wed 16 Jun 2004 | North Hertfordshire | 3 | 2 | Slight |
| Thu 17 Jun 2004 | North Hertfordshire | 2 | 1 | Slight |
| Sat 19 Jun 2004 | North Hertfordshire | 2 | 1 | Slight |
| Sat 19 Jun 2004 | North Hertfordshire | 2 | 1 | Slight |
| Mon 21 Jun 2004 | North Hertfordshire | 1 | 1 | Serious |
| Mon 21 Jun 2004 | Luton | 3 | 2 | Slight |
| Mon 21 Jun 2004 | Luton | 2 | 1 | Slight |
| Tue 22 Jun 2004 | Luton | 2 | 1 | Serious |
| Wed 23 Jun 2004 | South Bedfordshire | 2 | 1 | Slight |
| Thu 24 Jun 2004 | South Bedfordshire | 2 | 1 | Slight |
| Thu 24 Jun 2004 | Luton | 1 | 1 | Serious |
| Fri 25 Jun 2004 | North Hertfordshire | 3 | 1 | Slight |
| Sat 26 Jun 2004 | Luton | 1 | 1 | Slight |
| Sat 26 Jun 2004 | Luton | 3 | 1 | Slight |
| Mon 28 Jun 2004 | Luton | 1 | 1 | Serious |
| Thu 1 Jul 2004 | North Hertfordshire | 1 | 1 | Slight |
| Thu 1 Jul 2004 | North Hertfordshire | 1 | 1 | Slight |
| Thu 1 Jul 2004 | South Bedfordshire | 2 | 1 | Slight |
| Sun 4 Jul 2004 | Luton | 3 | 1 | Slight |
| Sun 4 Jul 2004 | Luton | 2 | 1 | Slight |
| Tue 6 Jul 2004 | South Cambridgeshire | 2 | 1 | Slight |
| Wed 7 Jul 2004 | South Cambridgeshire | 3 | 1 | Slight |
| Thu 8 Jul 2004 | South Cambridgeshire | 4 | 1 | Slight |
| Thu 8 Jul 2004 | Luton | 2 | 1 | Slight |
| Thu 8 Jul 2004 | Luton | 1 | 1 | Slight |
| Fri 9 Jul 2004 | Luton | 1 | 1 | Slight |
| Fri 9 Jul 2004 | South Bedfordshire | 2 | 2 | Serious |
| Tue 13 Jul 2004 | North Hertfordshire | 2 | 2 | Slight |
| Sat 17 Jul 2004 | Luton | 3 | 2 | Slight |
| Sun 18 Jul 2004 | South Cambridgeshire | 1 | 2 | Serious |
| Wed 21 Jul 2004 | Luton | 2 | 2 | Slight |
| Fri 23 Jul 2004 | South Bedfordshire | 1 | 1 | Slight |
| Fri 23 Jul 2004 | South Cambridgeshire | 2 | 3 | Slight |
| Wed 28 Jul 2004 | Luton | 2 | 1 | Slight |
| Sat 31 Jul 2004 | North Hertfordshire | 1 | 1 | Serious |
| Thu 5 Aug 2004 | South Bedfordshire | 2 | 1 | Slight |
| Fri 6 Aug 2004 | North Hertfordshire | 2 | 1 | Slight |
| Fri 6 Aug 2004 | South Bedfordshire | 2 | 3 | Slight |
| Sat 7 Aug 2004 | South Bedfordshire | 1 | 2 | Slight |
| Mon 9 Aug 2004 | South Cambridgeshire | 1 | 1 | Slight |
| Mon 23 Aug 2004 | Luton | 1 | 1 | Serious |
| Tue 24 Aug 2004 | North Hertfordshire | 2 | 3 | Serious |
| Tue 24 Aug 2004 | Luton | 1 | 1 | Slight |
| Thu 26 Aug 2004 | North Hertfordshire | 2 | 2 | Slight |
| Sun 29 Aug 2004 | East Hertfordshire | 2 | 2 | Slight |
| Mon 30 Aug 2004 | North Hertfordshire | 2 | 1 | Slight |
| Mon 30 Aug 2004 | Luton | 2 | 2 | Slight |
| Wed 1 Sep 2004 | Luton | 2 | 1 | Slight |
| Wed 1 Sep 2004 | Luton | 2 | 1 | Slight |
| Fri 3 Sep 2004 | North Hertfordshire | 2 | 1 | Slight |
| Sat 4 Sep 2004 | Luton | 1 | 1 | Serious |
| Sat 4 Sep 2004 | North Hertfordshire | 1 | 1 | Slight |
| Wed 8 Sep 2004 | North Hertfordshire | 2 | 1 | Slight |
| Fri 10 Sep 2004 | Luton | 2 | 1 | Slight |
| Sat 11 Sep 2004 | Luton | 2 | 1 | Slight |
| Sat 11 Sep 2004 | Luton | 2 | 1 | Slight |
| Sun 12 Sep 2004 | North Hertfordshire | 1 | 1 | Serious |
| Tue 14 Sep 2004 | Luton | 2 | 2 | Slight |
| Wed 15 Sep 2004 | Luton | 1 | 1 | Slight |
| Sat 18 Sep 2004 | Luton | 2 | 1 | Slight |
| Tue 21 Sep 2004 | North Hertfordshire | 2 | 1 | Slight |
| Wed 22 Sep 2004 | Luton | 2 | 1 | Slight |
| Thu 23 Sep 2004 | Luton | 3 | 1 | Slight |
| Fri 24 Sep 2004 | Luton | 2 | 1 | Slight |
| Fri 24 Sep 2004 | South Cambridgeshire | 2 | 2 | Slight |
| Fri 24 Sep 2004 | Luton | 2 | 2 | Slight |
| Sun 26 Sep 2004 | Luton | 1 | 1 | Serious |
| Wed 29 Sep 2004 | North Hertfordshire | 3 | 1 | Slight |
| Thu 30 Sep 2004 | North Hertfordshire | 3 | 2 | Fatal |
| Wed 6 Oct 2004 | North Hertfordshire | 2 | 1 | Slight |
| Wed 13 Oct 2004 | South Cambridgeshire | 2 | 2 | Slight |
| Thu 14 Oct 2004 | South Cambridgeshire | 2 | 1 | Slight |
| Fri 15 Oct 2004 | South Cambridgeshire | 1 | 1 | Slight |
| Fri 15 Oct 2004 | Luton | 2 | 1 | Slight |
| Fri 15 Oct 2004 | North Hertfordshire | 2 | 1 | Slight |
| Fri 15 Oct 2004 | Luton | 1 | 1 | Slight |
| Sun 17 Oct 2004 | Luton | 2 | 1 | Slight |
| Mon 18 Oct 2004 | North Hertfordshire | 1 | 1 | Slight |
| Wed 20 Oct 2004 | North Hertfordshire | 1 | 3 | Slight |
| Thu 21 Oct 2004 | North Hertfordshire | 2 | 3 | Slight |
| Thu 21 Oct 2004 | North Hertfordshire | 2 | 3 | Slight |
| Thu 21 Oct 2004 | North Hertfordshire | 1 | 1 | Slight |
| Fri 22 Oct 2004 | Luton | 2 | 1 | Slight |
| Fri 22 Oct 2004 | North Hertfordshire | 2 | 1 | Slight |
| Sun 24 Oct 2004 | North Hertfordshire | 2 | 3 | Serious |
| Sun 24 Oct 2004 | North Hertfordshire | 1 | 1 | Slight |
| Tue 26 Oct 2004 | Luton | 2 | 1 | Slight |
| Wed 27 Oct 2004 | South Bedfordshire | 2 | 1 | Slight |
| Fri 29 Oct 2004 | North Hertfordshire | 2 | 2 | Slight |
| Sat 30 Oct 2004 | North Hertfordshire | 2 | 1 | Slight |
| Sun 31 Oct 2004 | South Cambridgeshire | 1 | 4 | Slight |
| Sun 31 Oct 2004 | North Hertfordshire | 2 | 1 | Slight |
| Sun 31 Oct 2004 | South Cambridgeshire | 1 | 3 | Serious |
| Tue 2 Nov 2004 | Luton | 1 | 1 | Slight |
| Tue 2 Nov 2004 | Luton | 2 | 1 | Slight |
| Wed 3 Nov 2004 | North Hertfordshire | 1 | 1 | Slight |
| Thu 4 Nov 2004 | North Hertfordshire | 2 | 1 | Slight |
| Thu 4 Nov 2004 | North Hertfordshire | 2 | 1 | Slight |
| Mon 8 Nov 2004 | South Cambridgeshire | 1 | 1 | Slight |
| Thu 18 Nov 2004 | North Hertfordshire | 1 | 1 | Slight |
| Fri 19 Nov 2004 | South Bedfordshire | 2 | 1 | Slight |
| Mon 22 Nov 2004 | Luton | 2 | 3 | Slight |
| Tue 23 Nov 2004 | South Bedfordshire | 3 | 2 | Slight |
| Fri 26 Nov 2004 | South Cambridgeshire | 3 | 1 | Slight |
| Sun 28 Nov 2004 | North Hertfordshire | 1 | 1 | Slight |
| Tue 30 Nov 2004 | South Bedfordshire | 2 | 1 | Slight |
| Tue 30 Nov 2004 | Luton | 2 | 1 | Serious |
| Mon 6 Dec 2004 | North Hertfordshire | 2 | 1 | Serious |
| Mon 6 Dec 2004 | North Hertfordshire | 2 | 1 | Slight |
| Tue 7 Dec 2004 | South Cambridgeshire | 2 | 2 | Slight |
| Tue 7 Dec 2004 | North Hertfordshire | 2 | 1 | Slight |
| Wed 8 Dec 2004 | South Bedfordshire | 2 | 1 | Slight |
| Wed 8 Dec 2004 | Luton | 1 | 1 | Serious |
| Thu 9 Dec 2004 | North Hertfordshire | 2 | 1 | Slight |
| Thu 9 Dec 2004 | North Hertfordshire | 2 | 1 | Slight |
| Thu 9 Dec 2004 | Luton | 2 | 1 | Slight |
| Thu 9 Dec 2004 | South Cambridgeshire | 2 | 1 | Slight |
| Fri 10 Dec 2004 | South Bedfordshire | 2 | 1 | Slight |
| Mon 13 Dec 2004 | South Cambridgeshire | 2 | 1 | Slight |
| Mon 13 Dec 2004 | South Bedfordshire | 2 | 1 | Slight |
| Mon 13 Dec 2004 | South Cambridgeshire | 2 | 2 | Slight |
| Tue 14 Dec 2004 | North Hertfordshire | 2 | 1 | Slight |
| Wed 15 Dec 2004 | South Cambridgeshire | 1 | 1 | Slight |
| Thu 23 Dec 2004 | North Hertfordshire | 2 | 1 | Slight |
| Sun 26 Dec 2004 | South Cambridgeshire | 2 | 1 | Slight |
| Tue 28 Dec 2004 | Luton | 1 | 1 | Slight |