Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Fri 3 Jan 2003 | Welwyn Hatfield | 2 | 1 | Serious |
| Tue 7 Jan 2003 | Welwyn Hatfield | 2 | 2 | Slight |
| Thu 16 Jan 2003 | Welwyn Hatfield | 2 | 1 | Slight |
| Thu 16 Jan 2003 | Welwyn Hatfield | 2 | 3 | Slight |
| Wed 22 Jan 2003 | Welwyn Hatfield | 2 | 1 | Slight |
| Thu 30 Jan 2003 | Welwyn Hatfield | 1 | 1 | Slight |
| Thu 30 Jan 2003 | Welwyn Hatfield | 1 | 1 | Slight |
| Mon 17 Feb 2003 | Welwyn Hatfield | 2 | 1 | Slight |
| Mon 24 Feb 2003 | Welwyn Hatfield | 5 | 1 | Slight |
| Fri 14 Mar 2003 | Welwyn Hatfield | 2 | 1 | Slight |
| Fri 21 Mar 2003 | Welwyn Hatfield | 2 | 2 | Slight |
| Fri 21 Mar 2003 | Welwyn Hatfield | 2 | 2 | Slight |
| Tue 25 Mar 2003 | Welwyn Hatfield | 2 | 1 | Slight |
| Sat 12 Apr 2003 | Welwyn Hatfield | 2 | 1 | Slight |
| Sat 12 Apr 2003 | Welwyn Hatfield | 2 | 1 | Slight |
| Sat 12 Apr 2003 | Welwyn Hatfield | 3 | 3 | Slight |
| Wed 23 Apr 2003 | Welwyn Hatfield | 2 | 1 | Slight |
| Thu 1 May 2003 | Welwyn Hatfield | 2 | 1 | Slight |
| Fri 2 May 2003 | Welwyn Hatfield | 2 | 1 | Slight |
| Thu 15 May 2003 | Welwyn Hatfield | 2 | 1 | Slight |
| Thu 15 May 2003 | Welwyn Hatfield | 2 | 1 | Slight |
| Thu 15 May 2003 | Welwyn Hatfield | 2 | 1 | Slight |
| Sat 24 May 2003 | Welwyn Hatfield | 2 | 1 | Slight |
| Sat 31 May 2003 | Welwyn Hatfield | 2 | 1 | Serious |
| Sat 31 May 2003 | Welwyn Hatfield | 2 | 1 | Serious |
| Sun 1 Jun 2003 | Welwyn Hatfield | 2 | 2 | Slight |
| Sun 1 Jun 2003 | Welwyn Hatfield | 2 | 2 | Slight |
| Mon 2 Jun 2003 | Welwyn Hatfield | 2 | 1 | Slight |
| Mon 2 Jun 2003 | Welwyn Hatfield | 2 | 1 | Slight |
| Thu 10 Jul 2003 | Welwyn Hatfield | 2 | 1 | Slight |
| Sun 20 Jul 2003 | Welwyn Hatfield | 2 | 1 | Slight |
| Sun 20 Jul 2003 | Welwyn Hatfield | 2 | 1 | Slight |
| Wed 30 Jul 2003 | Welwyn Hatfield | 2 | 1 | Slight |
| Tue 12 Aug 2003 | Welwyn Hatfield | 2 | 1 | Slight |
| Thu 14 Aug 2003 | Welwyn Hatfield | 2 | 1 | Slight |
| Tue 19 Aug 2003 | Welwyn Hatfield | 2 | 4 | Slight |
| Tue 19 Aug 2003 | Welwyn Hatfield | 2 | 4 | Slight |
| Mon 1 Sep 2003 | Welwyn Hatfield | 1 | 1 | Slight |
| Mon 1 Sep 2003 | Welwyn Hatfield | 1 | 1 | Slight |
| Sat 6 Sep 2003 | Welwyn Hatfield | 2 | 1 | Slight |
| Mon 8 Sep 2003 | Welwyn Hatfield | 2 | 2 | Slight |
| Thu 25 Sep 2003 | Welwyn Hatfield | 2 | 3 | Slight |
| Thu 25 Sep 2003 | Welwyn Hatfield | 2 | 3 | Slight |
| Thu 9 Oct 2003 | Welwyn Hatfield | 2 | 2 | Slight |
| Thu 9 Oct 2003 | Welwyn Hatfield | 2 | 2 | Slight |
| Thu 9 Oct 2003 | Welwyn Hatfield | 2 | 2 | Slight |
| Fri 10 Oct 2003 | Welwyn Hatfield | 4 | 2 | Slight |
| Mon 13 Oct 2003 | Welwyn Hatfield | 2 | 2 | Slight |
| Tue 14 Oct 2003 | Welwyn Hatfield | 2 | 1 | Slight |
| Wed 15 Oct 2003 | Welwyn Hatfield | 2 | 1 | Slight |
| Wed 15 Oct 2003 | Welwyn Hatfield | 2 | 1 | Slight |
| Tue 21 Oct 2003 | Welwyn Hatfield | 2 | 1 | Slight |
| Sun 2 Nov 2003 | Welwyn Hatfield | 3 | 5 | Slight |
| Tue 4 Nov 2003 | Welwyn Hatfield | 2 | 1 | Slight |
| Sun 9 Nov 2003 | Welwyn Hatfield | 2 | 1 | Slight |
| Sun 9 Nov 2003 | Welwyn Hatfield | 2 | 1 | Slight |
| Sun 23 Nov 2003 | Welwyn Hatfield | 2 | 5 | Slight |
| Sat 29 Nov 2003 | Welwyn Hatfield | 4 | 3 | Slight |
| Sun 7 Dec 2003 | Welwyn Hatfield | 2 | 2 | Slight |
| Wed 10 Dec 2003 | Welwyn Hatfield | 2 | 1 | Serious |
| Sun 21 Dec 2003 | Welwyn Hatfield | 3 | 1 | Fatal |