Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Mon 13 Jan 2003 | East Hertfordshire | 1 | 2 | Slight |
| Thu 23 Jan 2003 | East Hertfordshire | 2 | 2 | Serious |
| Thu 30 Jan 2003 | East Hertfordshire | 1 | 1 | Slight |
| Fri 21 Feb 2003 | East Hertfordshire | 1 | 1 | Slight |
| Fri 11 Apr 2003 | East Hertfordshire | 2 | 2 | Slight |
| Tue 10 Jun 2003 | East Hertfordshire | 2 | 1 | Serious |
| Sun 22 Jun 2003 | East Hertfordshire | 2 | 3 | Slight |
| Thu 17 Jul 2003 | East Hertfordshire | 2 | 1 | Slight |
| Sun 10 Aug 2003 | Welwyn Hatfield | 2 | 1 | Slight |
| Fri 29 Aug 2003 | East Hertfordshire | 1 | 1 | Slight |
| Fri 19 Sep 2003 | East Hertfordshire | 1 | 1 | Serious |
| Mon 22 Sep 2003 | East Hertfordshire | 2 | 1 | Slight |
| Thu 25 Sep 2003 | East Hertfordshire | 2 | 2 | Serious |
| Mon 6 Oct 2003 | East Hertfordshire | 1 | 1 | Slight |
| Thu 16 Oct 2003 | East Hertfordshire | 2 | 3 | Slight |
| Wed 12 Nov 2003 | Welwyn Hatfield | 2 | 1 | Slight |
| Mon 24 Nov 2003 | Welwyn Hatfield | 1 | 1 | Slight |
| Thu 27 Nov 2003 | Welwyn Hatfield | 1 | 2 | Slight |
| Sat 13 Dec 2003 | East Hertfordshire | 2 | 1 | Slight |
| Thu 25 Dec 2003 | East Hertfordshire | 1 | 1 | Slight |