Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Thu 24 Jan 1991 | Hertsmere | 2 | 1 | Slight |
| Sat 30 Mar 1991 | Hertsmere | 1 | 1 | Serious |
| Thu 4 Apr 1991 | Hertsmere | 2 | 1 | Slight |
| Wed 1 May 1991 | Hertsmere | 2 | 1 | Slight |
| Tue 11 Jun 1991 | Hertsmere | 2 | 1 | Slight |
| Sat 22 Jun 1991 | Hertsmere | 1 | 1 | Slight |
| Sun 23 Jun 1991 | Hertsmere | 2 | 1 | Slight |
| Mon 24 Jun 1991 | Hertsmere | 2 | 1 | Slight |
| Tue 16 Jul 1991 | Hertsmere | 2 | 3 | Serious |
| Mon 29 Jul 1991 | Hertsmere | 2 | 1 | Slight |
| Sun 25 Aug 1991 | Hertsmere | 2 | 1 | Slight |
| Sat 12 Oct 1991 | Hertsmere | 2 | 1 | Slight |
| Mon 28 Oct 1991 | Hertsmere | 2 | 1 | Serious |
| Fri 8 Nov 1991 | Hertsmere | 2 | 1 | Slight |
| Fri 15 Nov 1991 | Hertsmere | 2 | 2 | Serious |
| Wed 20 Nov 1991 | Hertsmere | 2 | 1 | Slight |
| Wed 11 Dec 1991 | Hertsmere | 2 | 1 | Serious |