Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Wed 3 Jan 1990 | Merton | 2 | 1 | Slight |
| Thu 4 Jan 1990 | Merton | 2 | 2 | Slight |
| Fri 12 Jan 1990 | Merton | 2 | 2 | Slight |
| Fri 12 Jan 1990 | Merton | 1 | 1 | Slight |
| Fri 19 Jan 1990 | Kingston upon Thames | 2 | 1 | Slight |
| Sat 20 Jan 1990 | Merton | 2 | 2 | Slight |
| Sat 20 Jan 1990 | Merton | 2 | 2 | Slight |
| Thu 25 Jan 1990 | Merton | 1 | 1 | Serious |
| Fri 2 Feb 1990 | Merton | 2 | 1 | Slight |
| Tue 6 Feb 1990 | Merton | 1 | 1 | Slight |
| Fri 23 Feb 1990 | Merton | 1 | 1 | Slight |
| Sun 25 Feb 1990 | Kingston upon Thames | 1 | 1 | Slight |
| Mon 5 Mar 1990 | Kingston upon Thames | 2 | 1 | Slight |
| Wed 7 Mar 1990 | Merton | 2 | 1 | Slight |
| Mon 12 Mar 1990 | Merton | 2 | 1 | Slight |
| Fri 16 Mar 1990 | Merton | 1 | 1 | Slight |
| Sun 1 Apr 1990 | Kingston upon Thames | 3 | 4 | Slight |
| Wed 4 Apr 1990 | Merton | 2 | 1 | Slight |
| Mon 9 Apr 1990 | Merton | 2 | 1 | Slight |
| Mon 9 Apr 1990 | Merton | 2 | 1 | Serious |
| Fri 13 Apr 1990 | Kingston upon Thames | 2 | 3 | Serious |
| Fri 13 Apr 1990 | Kingston upon Thames | 2 | 3 | Slight |
| Fri 13 Apr 1990 | Kingston upon Thames | 2 | 3 | Serious |
| Tue 17 Apr 1990 | Kingston upon Thames | 2 | 1 | Serious |
| Fri 27 Apr 1990 | Merton | 2 | 1 | Slight |
| Fri 27 Apr 1990 | Merton | 2 | 1 | Slight |
| Tue 1 May 1990 | Kingston upon Thames | 2 | 2 | Serious |
| Tue 1 May 1990 | Kingston upon Thames | 2 | 2 | Slight |
| Fri 4 May 1990 | Merton | 2 | 1 | Slight |
| Mon 7 May 1990 | Merton | 2 | 1 | Slight |
| Sun 27 May 1990 | Merton | 1 | 1 | Slight |
| Tue 29 May 1990 | Merton | 2 | 1 | Slight |
| Tue 29 May 1990 | Merton | 2 | 1 | Slight |
| Wed 30 May 1990 | Merton | 1 | 1 | Slight |
| Fri 1 Jun 1990 | Merton | 2 | 1 | Slight |
| Thu 14 Jun 1990 | Merton | 2 | 1 | Slight |
| Sat 23 Jun 1990 | Merton | 3 | 3 | Serious |
| Tue 3 Jul 1990 | Merton | 2 | 2 | Serious |
| Wed 4 Jul 1990 | Kingston upon Thames | 2 | 1 | Slight |
| Wed 4 Jul 1990 | Merton | 2 | 1 | Slight |
| Wed 4 Jul 1990 | Merton | 1 | 1 | Slight |
| Thu 12 Jul 1990 | Kingston upon Thames | 1 | 1 | Serious |
| Sat 14 Jul 1990 | Merton | 2 | 1 | Slight |
| Sat 14 Jul 1990 | Merton | 1 | 1 | Serious |
| Sat 14 Jul 1990 | Merton | 1 | 1 | Serious |
| Fri 27 Jul 1990 | Kingston upon Thames | 2 | 3 | Serious |
| Tue 31 Jul 1990 | Kingston upon Thames | 1 | 1 | Slight |
| Thu 2 Aug 1990 | Merton | 1 | 1 | Serious |
| Sat 11 Aug 1990 | Merton | 2 | 2 | Serious |
| Sun 12 Aug 1990 | Merton | 2 | 1 | Slight |
| Wed 15 Aug 1990 | Merton | 1 | 1 | Slight |
| Fri 17 Aug 1990 | Merton | 2 | 1 | Slight |
| Fri 17 Aug 1990 | Merton | 3 | 3 | Slight |
| Sat 18 Aug 1990 | Merton | 2 | 1 | Slight |
| Fri 7 Sep 1990 | Merton | 1 | 1 | Serious |
| Sun 9 Sep 1990 | Kingston upon Thames | 2 | 1 | Slight |
| Fri 14 Sep 1990 | Merton | 2 | 1 | Slight |
| Thu 20 Sep 1990 | Merton | 2 | 1 | Slight |
| Sun 23 Sep 1990 | Kingston upon Thames | 1 | 1 | Slight |
| Sun 23 Sep 1990 | Merton | 2 | 1 | Slight |
| Mon 24 Sep 1990 | Merton | 2 | 1 | Slight |
| Mon 1 Oct 1990 | Merton | 2 | 1 | Slight |
| Fri 5 Oct 1990 | Kingston upon Thames | 2 | 2 | Slight |
| Fri 5 Oct 1990 | Kingston upon Thames | 2 | 2 | Slight |
| Mon 8 Oct 1990 | Merton | 1 | 1 | Slight |
| Mon 8 Oct 1990 | Kingston upon Thames | 1 | 2 | Slight |
| Tue 9 Oct 1990 | Merton | 2 | 1 | Slight |
| Tue 9 Oct 1990 | Merton | 1 | 1 | Slight |
| Thu 11 Oct 1990 | Kingston upon Thames | 2 | 1 | Slight |
| Wed 24 Oct 1990 | Kingston upon Thames | 2 | 2 | Serious |
| Wed 24 Oct 1990 | Merton | 1 | 1 | Slight |
| Sun 28 Oct 1990 | Merton | 2 | 1 | Slight |
| Mon 29 Oct 1990 | Merton | 2 | 1 | Slight |
| Sun 4 Nov 1990 | Merton | 3 | 2 | Slight |
| Tue 6 Nov 1990 | Merton | 3 | 4 | Fatal |
| Sat 10 Nov 1990 | Kingston upon Thames | 2 | 1 | Slight |
| Wed 21 Nov 1990 | Merton | 2 | 1 | Slight |
| Mon 26 Nov 1990 | Merton | 1 | 1 | Slight |
| Tue 4 Dec 1990 | Merton | 1 | 1 | Slight |
| Sun 9 Dec 1990 | Merton | 2 | 2 | Slight |
| Sun 9 Dec 1990 | Kingston upon Thames | 2 | 2 | Slight |
| Sun 9 Dec 1990 | Kingston upon Thames | 2 | 2 | Slight |
| Sun 16 Dec 1990 | Merton | 2 | 1 | Slight |
| Mon 24 Dec 1990 | Kingston upon Thames | 2 | 1 | Slight |
| Mon 31 Dec 1990 | Merton | 1 | 1 | Slight |
| Mon 31 Dec 1990 | Merton | 1 | 1 | Slight |