Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Fri 3 Jan 2003 | Stevenage | 2 | 1 | Slight |
| Fri 3 Jan 2003 | Stevenage | 2 | 1 | Slight |
| Mon 6 Jan 2003 | Stevenage | 2 | 2 | Slight |
| Thu 23 Jan 2003 | East Hertfordshire | 1 | 1 | Slight |
| Sat 25 Jan 2003 | East Hertfordshire | 2 | 2 | Serious |
| Sun 26 Jan 2003 | Stevenage | 2 | 1 | Slight |
| Mon 27 Jan 2003 | North Hertfordshire | 2 | 1 | Slight |
| Thu 30 Jan 2003 | East Hertfordshire | 2 | 1 | Slight |
| Fri 7 Feb 2003 | Stevenage | 1 | 1 | Slight |
| Sun 9 Feb 2003 | Stevenage | 2 | 2 | Slight |
| Mon 10 Feb 2003 | Stevenage | 4 | 2 | Slight |
| Tue 11 Feb 2003 | East Hertfordshire | 2 | 1 | Serious |
| Thu 13 Feb 2003 | North Hertfordshire | 2 | 2 | Serious |
| Sun 16 Feb 2003 | Stevenage | 2 | 1 | Slight |
| Sun 16 Feb 2003 | Stevenage | 2 | 1 | Slight |
| Fri 21 Feb 2003 | North Hertfordshire | 2 | 1 | Slight |
| Sat 22 Feb 2003 | Stevenage | 3 | 1 | Slight |
| Tue 25 Feb 2003 | Stevenage | 2 | 2 | Slight |
| Mon 3 Mar 2003 | Stevenage | 2 | 2 | Slight |
| Thu 6 Mar 2003 | Stevenage | 1 | 2 | Serious |
| Sat 8 Mar 2003 | Stevenage | 1 | 1 | Slight |
| Mon 10 Mar 2003 | Stevenage | 1 | 1 | Slight |
| Mon 10 Mar 2003 | Stevenage | 2 | 2 | Slight |
| Tue 11 Mar 2003 | East Hertfordshire | 1 | 1 | Slight |
| Wed 12 Mar 2003 | Stevenage | 2 | 2 | Slight |
| Fri 14 Mar 2003 | Stevenage | 2 | 1 | Slight |
| Fri 14 Mar 2003 | Stevenage | 2 | 1 | Slight |
| Fri 14 Mar 2003 | East Hertfordshire | 2 | 1 | Slight |
| Wed 26 Mar 2003 | Stevenage | 2 | 4 | Slight |
| Sat 29 Mar 2003 | Stevenage | 2 | 1 | Slight |
| Sat 29 Mar 2003 | Stevenage | 2 | 1 | Slight |
| Mon 31 Mar 2003 | Stevenage | 2 | 1 | Slight |
| Mon 31 Mar 2003 | Stevenage | 2 | 1 | Slight |
| Wed 2 Apr 2003 | Stevenage | 2 | 1 | Slight |
| Mon 14 Apr 2003 | Stevenage | 2 | 1 | Slight |
| Tue 15 Apr 2003 | Stevenage | 2 | 1 | Slight |
| Tue 22 Apr 2003 | North Hertfordshire | 2 | 1 | Slight |
| Tue 22 Apr 2003 | Stevenage | 2 | 3 | Slight |
| Thu 24 Apr 2003 | North Hertfordshire | 2 | 1 | Slight |
| Thu 24 Apr 2003 | Stevenage | 2 | 1 | Slight |
| Sun 4 May 2003 | Stevenage | 2 | 1 | Slight |
| Thu 8 May 2003 | Stevenage | 2 | 1 | Slight |
| Thu 8 May 2003 | Stevenage | 2 | 1 | Slight |
| Fri 9 May 2003 | Stevenage | 2 | 1 | Serious |
| Sat 10 May 2003 | Stevenage | 1 | 2 | Fatal |
| Thu 15 May 2003 | Stevenage | 1 | 1 | Serious |
| Thu 15 May 2003 | Stevenage | 1 | 1 | Serious |
| Sat 17 May 2003 | Stevenage | 1 | 1 | Slight |
| Sat 17 May 2003 | Stevenage | 1 | 1 | Slight |
| Fri 23 May 2003 | Stevenage | 2 | 1 | Slight |
| Sun 25 May 2003 | Stevenage | 1 | 1 | Slight |
| Tue 27 May 2003 | Stevenage | 2 | 1 | Slight |
| Tue 27 May 2003 | Stevenage | 2 | 1 | Slight |
| Wed 28 May 2003 | Stevenage | 2 | 1 | Slight |
| Thu 29 May 2003 | Stevenage | 2 | 1 | Slight |
| Thu 29 May 2003 | North Hertfordshire | 4 | 2 | Slight |
| Sun 8 Jun 2003 | North Hertfordshire | 2 | 4 | Slight |
| Sun 8 Jun 2003 | North Hertfordshire | 2 | 4 | Slight |
| Tue 10 Jun 2003 | Stevenage | 2 | 1 | Slight |
| Wed 11 Jun 2003 | Stevenage | 3 | 2 | Slight |
| Thu 12 Jun 2003 | Stevenage | 2 | 1 | Slight |
| Fri 13 Jun 2003 | East Hertfordshire | 2 | 1 | Slight |
| Fri 13 Jun 2003 | East Hertfordshire | 2 | 1 | Slight |
| Fri 13 Jun 2003 | Stevenage | 1 | 1 | Slight |
| Fri 13 Jun 2003 | Stevenage | 1 | 1 | Slight |
| Sun 22 Jun 2003 | Stevenage | 2 | 1 | Slight |
| Sun 22 Jun 2003 | Stevenage | 2 | 1 | Slight |
| Wed 25 Jun 2003 | Stevenage | 3 | 2 | Slight |
| Tue 1 Jul 2003 | Stevenage | 2 | 1 | Slight |
| Sat 5 Jul 2003 | Stevenage | 2 | 6 | Slight |
| Mon 7 Jul 2003 | East Hertfordshire | 2 | 2 | Slight |
| Tue 8 Jul 2003 | Stevenage | 2 | 1 | Slight |
| Wed 9 Jul 2003 | Stevenage | 2 | 1 | Slight |
| Wed 9 Jul 2003 | Stevenage | 2 | 1 | Slight |
| Mon 14 Jul 2003 | Stevenage | 2 | 2 | Slight |
| Tue 15 Jul 2003 | East Hertfordshire | 3 | 1 | Serious |
| Wed 16 Jul 2003 | East Hertfordshire | 1 | 1 | Slight |
| Tue 22 Jul 2003 | Stevenage | 2 | 2 | Slight |
| Fri 25 Jul 2003 | Stevenage | 2 | 1 | Slight |
| Fri 25 Jul 2003 | Stevenage | 2 | 1 | Slight |
| Sun 27 Jul 2003 | East Hertfordshire | 2 | 2 | Slight |
| Mon 28 Jul 2003 | East Hertfordshire | 1 | 1 | Slight |
| Thu 31 Jul 2003 | Stevenage | 1 | 2 | Slight |
| Fri 8 Aug 2003 | North Hertfordshire | 2 | 1 | Slight |
| Fri 8 Aug 2003 | Stevenage | 3 | 1 | Slight |
| Tue 12 Aug 2003 | Stevenage | 2 | 1 | Slight |
| Tue 12 Aug 2003 | Stevenage | 2 | 1 | Slight |
| Wed 13 Aug 2003 | Stevenage | 2 | 1 | Slight |
| Thu 21 Aug 2003 | Stevenage | 1 | 1 | Slight |
| Thu 28 Aug 2003 | North Hertfordshire | 2 | 1 | Slight |
| Sat 30 Aug 2003 | Stevenage | 1 | 1 | Serious |
| Sat 30 Aug 2003 | Stevenage | 2 | 1 | Slight |
| Sat 30 Aug 2003 | Stevenage | 2 | 1 | Slight |
| Sun 31 Aug 2003 | Stevenage | 1 | 2 | Slight |
| Wed 3 Sep 2003 | Stevenage | 2 | 1 | Slight |
| Wed 3 Sep 2003 | Stevenage | 2 | 1 | Slight |
| Thu 4 Sep 2003 | Stevenage | 2 | 1 | Slight |
| Thu 4 Sep 2003 | Stevenage | 2 | 1 | Slight |
| Mon 8 Sep 2003 | Stevenage | 2 | 2 | Slight |
| Mon 8 Sep 2003 | East Hertfordshire | 2 | 2 | Slight |
| Tue 9 Sep 2003 | North Hertfordshire | 1 | 1 | Slight |
| Wed 10 Sep 2003 | Stevenage | 2 | 1 | Slight |
| Wed 10 Sep 2003 | North Hertfordshire | 2 | 2 | Slight |
| Mon 15 Sep 2003 | East Hertfordshire | 1 | 1 | Slight |
| Tue 16 Sep 2003 | Stevenage | 2 | 4 | Slight |
| Tue 16 Sep 2003 | Stevenage | 2 | 4 | Slight |
| Sun 21 Sep 2003 | Stevenage | 2 | 4 | Slight |
| Mon 22 Sep 2003 | East Hertfordshire | 3 | 1 | Slight |
| Mon 22 Sep 2003 | East Hertfordshire | 3 | 1 | Slight |
| Sat 27 Sep 2003 | Stevenage | 1 | 1 | Serious |
| Sat 27 Sep 2003 | Stevenage | 1 | 1 | Serious |
| Sat 27 Sep 2003 | Stevenage | 2 | 2 | Slight |
| Mon 29 Sep 2003 | Stevenage | 2 | 1 | Slight |
| Thu 2 Oct 2003 | North Hertfordshire | 2 | 2 | Slight |
| Fri 3 Oct 2003 | Stevenage | 2 | 1 | Slight |
| Fri 3 Oct 2003 | Stevenage | 2 | 1 | Slight |
| Sun 5 Oct 2003 | Stevenage | 2 | 4 | Slight |
| Sun 5 Oct 2003 | Stevenage | 2 | 1 | Slight |
| Thu 9 Oct 2003 | Stevenage | 2 | 1 | Slight |
| Sun 12 Oct 2003 | Stevenage | 2 | 1 | Slight |
| Wed 15 Oct 2003 | Stevenage | 2 | 3 | Slight |
| Wed 22 Oct 2003 | Stevenage | 2 | 1 | Slight |
| Wed 22 Oct 2003 | Stevenage | 2 | 1 | Slight |
| Wed 22 Oct 2003 | Stevenage | 2 | 1 | Slight |
| Thu 23 Oct 2003 | East Hertfordshire | 2 | 2 | Serious |
| Fri 24 Oct 2003 | Stevenage | 2 | 1 | Slight |
| Fri 24 Oct 2003 | Stevenage | 2 | 1 | Slight |
| Sat 1 Nov 2003 | Stevenage | 2 | 1 | Slight |
| Sat 1 Nov 2003 | Stevenage | 2 | 1 | Slight |
| Thu 6 Nov 2003 | East Hertfordshire | 2 | 2 | Serious |
| Fri 7 Nov 2003 | Stevenage | 2 | 1 | Slight |
| Sat 8 Nov 2003 | Stevenage | 1 | 2 | Slight |
| Mon 10 Nov 2003 | Stevenage | 2 | 1 | Slight |
| Mon 17 Nov 2003 | Stevenage | 2 | 1 | Slight |
| Mon 17 Nov 2003 | Stevenage | 2 | 1 | Slight |
| Tue 25 Nov 2003 | Stevenage | 3 | 1 | Slight |
| Mon 1 Dec 2003 | East Hertfordshire | 1 | 1 | Slight |
| Mon 1 Dec 2003 | Stevenage | 2 | 1 | Slight |
| Wed 10 Dec 2003 | North Hertfordshire | 3 | 3 | Slight |
| Thu 11 Dec 2003 | Stevenage | 2 | 1 | Slight |
| Fri 12 Dec 2003 | East Hertfordshire | 2 | 1 | Slight |
| Sun 14 Dec 2003 | Stevenage | 2 | 1 | Slight |
| Sun 14 Dec 2003 | Stevenage | 2 | 1 | Slight |
| Tue 16 Dec 2003 | Stevenage | 2 | 1 | Slight |
| Tue 16 Dec 2003 | Stevenage | 2 | 1 | Slight |
| Tue 16 Dec 2003 | East Hertfordshire | 2 | 1 | Slight |
| Mon 22 Dec 2003 | Stevenage | 2 | 1 | Slight |