Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Thu 10 Jan 1991 | East Hertfordshire | 2 | 1 | Serious |
| Sat 12 Jan 1991 | East Hertfordshire | 1 | 1 | Slight |
| Thu 17 Jan 1991 | East Hertfordshire | 2 | 1 | Slight |
| Mon 21 Jan 1991 | East Hertfordshire | 2 | 3 | Serious |
| Wed 20 Feb 1991 | East Hertfordshire | 2 | 1 | Slight |
| Tue 26 Feb 1991 | East Hertfordshire | 1 | 1 | Slight |
| Tue 26 Mar 1991 | East Hertfordshire | 1 | 1 | Serious |
| Sat 30 Mar 1991 | East Hertfordshire | 3 | 2 | Slight |
| Fri 5 Apr 1991 | East Hertfordshire | 2 | 1 | Slight |
| Fri 5 Apr 1991 | East Hertfordshire | 2 | 1 | Slight |
| Sun 14 Apr 1991 | East Hertfordshire | 2 | 1 | Serious |
| Wed 17 Apr 1991 | East Hertfordshire | 1 | 1 | Slight |
| Fri 17 May 1991 | East Hertfordshire | 3 | 2 | Serious |
| Mon 20 May 1991 | East Hertfordshire | 1 | 1 | Slight |
| Sat 25 May 1991 | East Hertfordshire | 3 | 1 | Slight |
| Fri 28 Jun 1991 | East Hertfordshire | 3 | 1 | Slight |
| Sat 10 Aug 1991 | East Hertfordshire | 1 | 1 | Serious |
| Thu 15 Aug 1991 | Harlow | 1 | 2 | Slight |
| Fri 16 Aug 1991 | East Hertfordshire | 1 | 1 | Serious |
| Mon 19 Aug 1991 | Harlow | 3 | 1 | Slight |
| Fri 6 Sep 1991 | East Hertfordshire | 1 | 1 | Slight |
| Tue 17 Sep 1991 | Harlow | 2 | 1 | Slight |
| Wed 2 Oct 1991 | East Hertfordshire | 1 | 2 | Slight |
| Fri 4 Oct 1991 | East Hertfordshire | 3 | 1 | Slight |
| Fri 4 Oct 1991 | East Hertfordshire | 2 | 2 | Fatal |
| Tue 8 Oct 1991 | East Hertfordshire | 2 | 3 | Slight |
| Tue 15 Oct 1991 | East Hertfordshire | 2 | 1 | Slight |
| Thu 24 Oct 1991 | East Hertfordshire | 2 | 1 | Slight |
| Tue 29 Oct 1991 | East Hertfordshire | 2 | 1 | Slight |
| Mon 4 Nov 1991 | Harlow | 2 | 1 | Slight |
| Tue 5 Nov 1991 | East Hertfordshire | 2 | 1 | Slight |
| Sun 17 Nov 1991 | East Hertfordshire | 2 | 1 | Slight |
| Wed 20 Nov 1991 | East Hertfordshire | 2 | 1 | Slight |
| Mon 25 Nov 1991 | East Hertfordshire | 3 | 2 | Slight |
| Sat 30 Nov 1991 | East Hertfordshire | 1 | 1 | Serious |
| Fri 6 Dec 1991 | East Hertfordshire | 1 | 1 | Slight |
| Wed 11 Dec 1991 | Harlow | 2 | 1 | Slight |
| Sat 14 Dec 1991 | East Hertfordshire | 1 | 1 | Slight |
| Mon 16 Dec 1991 | East Hertfordshire | 2 | 1 | Slight |