Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Fri 1 Jan 1993 | Stevenage | 1 | 1 | Slight |
| Tue 12 Jan 1993 | Stevenage | 2 | 1 | Slight |
| Tue 12 Jan 1993 | Welwyn Hatfield | 2 | 2 | Slight |
| Sun 24 Jan 1993 | Welwyn Hatfield | 1 | 1 | Slight |
| Thu 28 Jan 1993 | Stevenage | 2 | 1 | Slight |
| Sat 30 Jan 1993 | Welwyn Hatfield | 2 | 1 | Slight |
| Thu 4 Feb 1993 | Welwyn Hatfield | 2 | 2 | Serious |
| Thu 11 Feb 1993 | Stevenage | 2 | 1 | Slight |
| Sun 14 Feb 1993 | Welwyn Hatfield | 3 | 1 | Slight |
| Wed 17 Feb 1993 | Welwyn Hatfield | 2 | 1 | Slight |
| Thu 18 Feb 1993 | Stevenage | 2 | 1 | Slight |
| Tue 2 Mar 1993 | Welwyn Hatfield | 2 | 2 | Slight |
| Wed 17 Mar 1993 | North Hertfordshire | 2 | 1 | Slight |
| Wed 21 Apr 1993 | North Hertfordshire | 2 | 1 | Slight |
| Thu 29 Apr 1993 | Stevenage | 1 | 1 | Slight |
| Mon 3 May 1993 | Stevenage | 4 | 1 | Slight |
| Tue 18 May 1993 | North Hertfordshire | 2 | 1 | Slight |
| Fri 21 May 1993 | Welwyn Hatfield | 2 | 1 | Slight |
| Thu 10 Jun 1993 | Welwyn Hatfield | 3 | 3 | Serious |
| Wed 16 Jun 1993 | Welwyn Hatfield | 2 | 1 | Slight |
| Wed 16 Jun 1993 | Welwyn Hatfield | 2 | 1 | Slight |
| Wed 30 Jun 1993 | Welwyn Hatfield | 2 | 1 | Slight |
| Wed 7 Jul 1993 | Welwyn Hatfield | 2 | 1 | Slight |
| Wed 21 Jul 1993 | North Hertfordshire | 2 | 1 | Slight |
| Sun 8 Aug 1993 | North Hertfordshire | 1 | 1 | Serious |
| Tue 10 Aug 1993 | North Hertfordshire | 1 | 1 | Serious |
| Thu 12 Aug 1993 | North Hertfordshire | 2 | 1 | Slight |
| Thu 9 Sep 1993 | Welwyn Hatfield | 2 | 2 | Slight |
| Fri 10 Sep 1993 | Welwyn Hatfield | 2 | 2 | Slight |
| Thu 7 Oct 1993 | Stevenage | 2 | 1 | Slight |
| Thu 7 Oct 1993 | Stevenage | 2 | 1 | Slight |
| Wed 13 Oct 1993 | North Hertfordshire | 2 | 1 | Slight |
| Wed 13 Oct 1993 | Welwyn Hatfield | 2 | 1 | Slight |
| Fri 15 Oct 1993 | Stevenage | 2 | 1 | Slight |
| Tue 19 Oct 1993 | Welwyn Hatfield | 2 | 2 | Serious |
| Thu 21 Oct 1993 | Stevenage | 1 | 1 | Slight |
| Thu 21 Oct 1993 | Stevenage | 1 | 1 | Slight |
| Fri 22 Oct 1993 | Welwyn Hatfield | 2 | 3 | Slight |
| Mon 1 Nov 1993 | North Hertfordshire | 2 | 1 | Slight |
| Wed 10 Nov 1993 | Hertsmere | 2 | 2 | Serious |
| Fri 19 Nov 1993 | Hertsmere | 2 | 2 | Slight |
| Tue 23 Nov 1993 | Welwyn Hatfield | 2 | 1 | Slight |
| Wed 24 Nov 1993 | North Hertfordshire | 2 | 1 | Serious |
| Wed 24 Nov 1993 | North Hertfordshire | 2 | 1 | Serious |
| Thu 25 Nov 1993 | Welwyn Hatfield | 2 | 2 | Slight |
| Mon 29 Nov 1993 | Welwyn Hatfield | 3 | 2 | Slight |
| Tue 30 Nov 1993 | Welwyn Hatfield | 3 | 2 | Fatal |
| Sun 5 Dec 1993 | North Hertfordshire | 2 | 3 | Slight |
| Sat 18 Dec 1993 | North Hertfordshire | 2 | 1 | Slight |
| Sat 18 Dec 1993 | North Hertfordshire | 2 | 1 | Slight |
| Mon 20 Dec 1993 | Welwyn Hatfield | 2 | 1 | Slight |
| Wed 29 Dec 1993 | North Hertfordshire | 2 | 1 | Slight |