Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Sat 14 Jan 1989 | Enfield | 2 | 1 | Slight |
| Wed 18 Jan 1989 | Enfield | 2 | 1 | Slight |
| Sun 22 Jan 1989 | Hertsmere | 1 | 1 | Slight |
| Wed 1 Feb 1989 | Enfield | 2 | 1 | Slight |
| Thu 2 Feb 1989 | Enfield | 2 | 1 | Slight |
| Sat 11 Feb 1989 | Enfield | 2 | 2 | Serious |
| Sat 11 Feb 1989 | Enfield | 2 | 1 | Slight |
| Sun 12 Feb 1989 | Enfield | 2 | 1 | Slight |
| Wed 15 Feb 1989 | Enfield | 2 | 1 | Serious |
| Wed 15 Feb 1989 | Enfield | 2 | 1 | Slight |
| Wed 15 Feb 1989 | Hertsmere | 2 | 2 | Slight |
| Thu 16 Feb 1989 | Enfield | 2 | 1 | Slight |
| Mon 20 Feb 1989 | Enfield | 1 | 1 | Slight |
| Wed 22 Feb 1989 | Enfield | 3 | 2 | Slight |
| Fri 24 Feb 1989 | Enfield | 2 | 1 | Slight |
| Wed 1 Mar 1989 | Enfield | 2 | 2 | Slight |
| Thu 2 Mar 1989 | Enfield | 1 | 1 | Serious |
| Fri 3 Mar 1989 | Enfield | 2 | 1 | Slight |
| Tue 7 Mar 1989 | Hertsmere | 2 | 1 | Slight |
| Thu 9 Mar 1989 | Enfield | 1 | 1 | Serious |
| Sun 12 Mar 1989 | Enfield | 1 | 1 | Slight |
| Mon 13 Mar 1989 | Enfield | 2 | 1 | Slight |
| Tue 14 Mar 1989 | Enfield | 1 | 2 | Slight |
| Thu 16 Mar 1989 | Enfield | 1 | 2 | Slight |
| Tue 21 Mar 1989 | Enfield | 2 | 1 | Slight |
| Tue 21 Mar 1989 | Enfield | 2 | 1 | Slight |
| Thu 30 Mar 1989 | Hertsmere | 3 | 2 | Slight |
| Sun 2 Apr 1989 | Enfield | 2 | 2 | Serious |
| Sun 2 Apr 1989 | Enfield | 2 | 1 | Slight |
| Tue 4 Apr 1989 | Enfield | 2 | 1 | Slight |
| Tue 4 Apr 1989 | Enfield | 2 | 2 | Slight |
| Thu 13 Apr 1989 | Enfield | 2 | 1 | Slight |
| Fri 14 Apr 1989 | Hertsmere | 1 | 1 | Fatal |
| Fri 21 Apr 1989 | Enfield | 2 | 1 | Slight |
| Thu 27 Apr 1989 | Enfield | 2 | 2 | Slight |
| Mon 1 May 1989 | Enfield | 2 | 1 | Slight |
| Thu 4 May 1989 | Enfield | 2 | 1 | Slight |
| Sat 6 May 1989 | Enfield | 2 | 1 | Slight |
| Sun 7 May 1989 | Hertsmere | 1 | 1 | Slight |
| Mon 8 May 1989 | Enfield | 4 | 1 | Slight |
| Tue 9 May 1989 | Enfield | 2 | 1 | Slight |
| Fri 12 May 1989 | Enfield | 1 | 1 | Slight |
| Sat 13 May 1989 | Enfield | 2 | 1 | Slight |
| Sat 13 May 1989 | Enfield | 4 | 2 | Slight |
| Fri 19 May 1989 | Enfield | 2 | 1 | Slight |
| Sat 20 May 1989 | Hertsmere | 2 | 1 | Slight |
| Tue 23 May 1989 | Enfield | 1 | 1 | Slight |
| Tue 30 May 1989 | Hertsmere | 2 | 1 | Slight |
| Wed 31 May 1989 | Hertsmere | 2 | 1 | Slight |
| Fri 2 Jun 1989 | Enfield | 2 | 1 | Slight |
| Fri 2 Jun 1989 | Enfield | 2 | 1 | Slight |
| Sun 4 Jun 1989 | Enfield | 2 | 1 | Slight |
| Wed 7 Jun 1989 | Hertsmere | 2 | 1 | Slight |
| Fri 9 Jun 1989 | Enfield | 1 | 1 | Slight |
| Sun 18 Jun 1989 | Enfield | 1 | 8 | Slight |
| Mon 19 Jun 1989 | Enfield | 2 | 1 | Slight |
| Mon 26 Jun 1989 | Enfield | 3 | 1 | Slight |
| Mon 26 Jun 1989 | Hertsmere | 1 | 1 | Slight |
| Tue 27 Jun 1989 | Enfield | 1 | 1 | Slight |
| Wed 28 Jun 1989 | Enfield | 2 | 1 | Slight |
| Wed 28 Jun 1989 | Enfield | 2 | 1 | Slight |
| Sat 1 Jul 1989 | Enfield | 1 | 1 | Slight |
| Wed 5 Jul 1989 | Hertsmere | 2 | 1 | Slight |
| Fri 7 Jul 1989 | Enfield | 2 | 1 | Slight |
| Fri 14 Jul 1989 | Enfield | 2 | 1 | Slight |
| Mon 17 Jul 1989 | Enfield | 1 | 1 | Slight |
| Tue 18 Jul 1989 | Enfield | 2 | 1 | Slight |
| Mon 31 Jul 1989 | Enfield | 2 | 2 | Slight |
| Mon 28 Aug 1989 | Enfield | 2 | 1 | Serious |
| Wed 30 Aug 1989 | Enfield | 2 | 1 | Slight |
| Wed 30 Aug 1989 | Enfield | 2 | 1 | Slight |
| Sun 10 Sep 1989 | Enfield | 2 | 2 | Slight |
| Mon 11 Sep 1989 | Enfield | 2 | 2 | Slight |
| Mon 11 Sep 1989 | Enfield | 2 | 1 | Slight |
| Wed 13 Sep 1989 | Enfield | 2 | 1 | Slight |
| Mon 18 Sep 1989 | Hertsmere | 2 | 1 | Slight |
| Fri 22 Sep 1989 | Hertsmere | 1 | 1 | Slight |
| Sun 1 Oct 1989 | Hertsmere | 2 | 1 | Slight |
| Mon 2 Oct 1989 | Enfield | 1 | 1 | Slight |
| Tue 3 Oct 1989 | Enfield | 2 | 2 | Slight |
| Sat 21 Oct 1989 | Enfield | 1 | 1 | Slight |
| Thu 26 Oct 1989 | Enfield | 2 | 1 | Serious |
| Mon 30 Oct 1989 | Enfield | 2 | 1 | Slight |
| Fri 3 Nov 1989 | Enfield | 2 | 2 | Fatal |
| Thu 9 Nov 1989 | Enfield | 2 | 1 | Slight |
| Thu 9 Nov 1989 | Enfield | 2 | 1 | Slight |
| Fri 10 Nov 1989 | Enfield | 2 | 1 | Slight |
| Sat 11 Nov 1989 | Enfield | 2 | 1 | Slight |
| Sun 12 Nov 1989 | Enfield | 2 | 2 | Serious |
| Fri 17 Nov 1989 | Enfield | 2 | 1 | Slight |
| Sat 25 Nov 1989 | Enfield | 2 | 1 | Slight |
| Mon 27 Nov 1989 | Enfield | 2 | 1 | Slight |
| Mon 27 Nov 1989 | Enfield | 1 | 1 | Slight |
| Tue 28 Nov 1989 | Enfield | 2 | 2 | Serious |
| Tue 28 Nov 1989 | Enfield | 1 | 1 | Slight |
| Fri 1 Dec 1989 | Enfield | 1 | 1 | Serious |
| Sat 2 Dec 1989 | Enfield | 2 | 6 | Slight |
| Sun 3 Dec 1989 | Enfield | 1 | 1 | Slight |
| Thu 7 Dec 1989 | Enfield | 2 | 1 | Serious |
| Fri 8 Dec 1989 | Enfield | 5 | 3 | Serious |
| Sat 9 Dec 1989 | Enfield | 2 | 1 | Slight |
| Thu 14 Dec 1989 | Enfield | 1 | 1 | Slight |
| Wed 20 Dec 1989 | Enfield | 1 | 1 | Slight |
| Wed 20 Dec 1989 | Enfield | 1 | 1 | Serious |
| Sun 24 Dec 1989 | Hertsmere | 2 | 2 | Serious |