Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Tue 8 Jan 1991 | Harrow | 1 | 1 | Serious |
| Fri 11 Jan 1991 | Harrow | 1 | 1 | Slight |
| Thu 17 Jan 1991 | Harrow | 1 | 2 | Serious |
| Wed 30 Jan 1991 | Harrow | 2 | 1 | Slight |
| Mon 4 Feb 1991 | Harrow | 2 | 1 | Slight |
| Sat 23 Feb 1991 | Harrow | 2 | 2 | Slight |
| Fri 1 Mar 1991 | Harrow | 1 | 1 | Slight |
| Wed 6 Mar 1991 | Harrow | 3 | 2 | Slight |
| Thu 7 Mar 1991 | Harrow | 2 | 2 | Slight |
| Sun 17 Mar 1991 | Harrow | 2 | 1 | Serious |
| Tue 19 Mar 1991 | Harrow | 1 | 4 | Slight |
| Thu 21 Mar 1991 | Harrow | 2 | 1 | Slight |
| Sat 23 Mar 1991 | Harrow | 2 | 1 | Slight |
| Thu 28 Mar 1991 | Harrow | 1 | 1 | Slight |
| Tue 16 Apr 1991 | Barnet | 2 | 1 | Slight |
| Thu 18 Apr 1991 | Harrow | 2 | 2 | Slight |
| Tue 23 Apr 1991 | Harrow | 2 | 1 | Slight |
| Mon 29 Apr 1991 | Harrow | 2 | 1 | Slight |
| Wed 15 May 1991 | Harrow | 2 | 1 | Serious |
| Tue 28 May 1991 | Harrow | 2 | 1 | Serious |
| Wed 29 May 1991 | Harrow | 2 | 1 | Slight |
| Fri 7 Jun 1991 | Harrow | 2 | 1 | Slight |
| Sat 8 Jun 1991 | Harrow | 2 | 1 | Slight |
| Sat 8 Jun 1991 | Harrow | 1 | 1 | Slight |
| Tue 11 Jun 1991 | Harrow | 2 | 1 | Slight |
| Fri 14 Jun 1991 | Barnet | 1 | 1 | Serious |
| Fri 5 Jul 1991 | Harrow | 2 | 1 | Serious |
| Fri 5 Jul 1991 | Harrow | 2 | 1 | Slight |
| Fri 5 Jul 1991 | Harrow | 2 | 2 | Slight |
| Tue 16 Jul 1991 | Harrow | 1 | 1 | Fatal |
| Sat 3 Aug 1991 | Harrow | 1 | 1 | Slight |
| Mon 12 Aug 1991 | Harrow | 3 | 1 | Serious |
| Mon 12 Aug 1991 | Harrow | 2 | 1 | Slight |
| Fri 16 Aug 1991 | Harrow | 3 | 1 | Slight |
| Thu 22 Aug 1991 | Harrow | 1 | 1 | Slight |
| Fri 23 Aug 1991 | Harrow | 2 | 2 | Fatal |
| Thu 29 Aug 1991 | Barnet | 2 | 1 | Slight |
| Fri 30 Aug 1991 | Harrow | 2 | 1 | Slight |
| Fri 30 Aug 1991 | Harrow | 2 | 1 | Slight |
| Sat 31 Aug 1991 | Harrow | 1 | 2 | Slight |
| Sat 31 Aug 1991 | Harrow | 1 | 2 | Slight |
| Fri 6 Sep 1991 | Harrow | 2 | 1 | Slight |
| Fri 6 Sep 1991 | Harrow | 2 | 1 | Serious |
| Sat 14 Sep 1991 | Harrow | 2 | 2 | Slight |
| Sun 15 Sep 1991 | Harrow | 1 | 1 | Serious |
| Fri 20 Sep 1991 | Harrow | 2 | 1 | Slight |
| Tue 24 Sep 1991 | Harrow | 2 | 1 | Slight |
| Thu 3 Oct 1991 | Harrow | 1 | 1 | Slight |
| Thu 3 Oct 1991 | Harrow | 2 | 2 | Serious |
| Fri 4 Oct 1991 | Harrow | 1 | 4 | Serious |
| Thu 17 Oct 1991 | Harrow | 1 | 1 | Serious |
| Tue 22 Oct 1991 | Harrow | 1 | 1 | Serious |
| Mon 4 Nov 1991 | Barnet | 1 | 1 | Slight |
| Fri 8 Nov 1991 | Harrow | 1 | 1 | Slight |
| Sat 9 Nov 1991 | Harrow | 1 | 1 | Slight |
| Sat 16 Nov 1991 | Harrow | 1 | 1 | Serious |
| Sun 17 Nov 1991 | Barnet | 1 | 1 | Slight |
| Thu 28 Nov 1991 | Harrow | 2 | 1 | Serious |
| Fri 29 Nov 1991 | Harrow | 2 | 1 | Slight |
| Mon 9 Dec 1991 | Barnet | 2 | 1 | Slight |
| Mon 16 Dec 1991 | Harrow | 2 | 1 | Slight |
| Tue 17 Dec 1991 | Harrow | 1 | 1 | Serious |
| Tue 17 Dec 1991 | Harrow | 2 | 1 | Serious |
| Wed 18 Dec 1991 | Harrow | 1 | 1 | Slight |
| Wed 18 Dec 1991 | Harrow | 1 | 1 | Slight |
| Sat 28 Dec 1991 | Harrow | 2 | 2 | Slight |