Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Sun 8 Jan 1989 | Wandsworth | 1 | 1 | Slight |
| Sun 8 Jan 1989 | Wandsworth | 3 | 1 | Slight |
| Wed 18 Jan 1989 | Richmond upon Thames | 2 | 1 | Slight |
| Thu 19 Jan 1989 | Wandsworth | 2 | 1 | Slight |
| Thu 19 Jan 1989 | Wandsworth | 2 | 1 | Slight |
| Mon 30 Jan 1989 | Wandsworth | 2 | 1 | Slight |
| Tue 7 Feb 1989 | Wandsworth | 1 | 1 | Serious |
| Mon 13 Feb 1989 | Wandsworth | 2 | 1 | Slight |
| Tue 14 Feb 1989 | Richmond upon Thames | 1 | 1 | Slight |
| Fri 24 Feb 1989 | Hammersmith and Fulham | 2 | 1 | Slight |
| Sat 25 Feb 1989 | Wandsworth | 1 | 2 | Serious |
| Thu 2 Mar 1989 | Wandsworth | 2 | 1 | Slight |
| Thu 2 Mar 1989 | Wandsworth | 2 | 1 | Serious |
| Fri 17 Mar 1989 | Wandsworth | 2 | 1 | Slight |
| Wed 22 Mar 1989 | Hammersmith and Fulham | 1 | 1 | Serious |
| Thu 6 Apr 1989 | Wandsworth | 2 | 1 | Slight |
| Sun 23 Apr 1989 | Richmond upon Thames | 1 | 10 | Serious |
| Wed 26 Apr 1989 | Wandsworth | 2 | 1 | Slight |
| Sat 29 Apr 1989 | Richmond upon Thames | 3 | 2 | Serious |
| Tue 2 May 1989 | Wandsworth | 2 | 2 | Serious |
| Fri 5 May 1989 | Richmond upon Thames | 2 | 1 | Slight |
| Fri 5 May 1989 | Richmond upon Thames | 1 | 1 | Slight |
| Sat 6 May 1989 | Wandsworth | 2 | 1 | Slight |
| Sat 13 May 1989 | Wandsworth | 2 | 2 | Slight |
| Mon 15 May 1989 | Richmond upon Thames | 1 | 1 | Serious |
| Thu 18 May 1989 | Richmond upon Thames | 2 | 1 | Slight |
| Sat 20 May 1989 | Hammersmith and Fulham | 1 | 1 | Slight |
| Mon 22 May 1989 | Hammersmith and Fulham | 2 | 1 | Slight |
| Tue 30 May 1989 | Wandsworth | 2 | 2 | Slight |
| Tue 6 Jun 1989 | Hammersmith and Fulham | 1 | 1 | Slight |
| Tue 6 Jun 1989 | Wandsworth | 1 | 1 | Slight |
| Tue 13 Jun 1989 | Richmond upon Thames | 2 | 1 | Serious |
| Wed 21 Jun 1989 | Richmond upon Thames | 1 | 1 | Slight |
| Sun 25 Jun 1989 | Wandsworth | 2 | 2 | Serious |
| Tue 27 Jun 1989 | Richmond upon Thames | 2 | 1 | Serious |
| Thu 29 Jun 1989 | Wandsworth | 2 | 1 | Slight |
| Sun 2 Jul 1989 | Richmond upon Thames | 2 | 2 | Serious |
| Mon 3 Jul 1989 | Richmond upon Thames | 3 | 2 | Slight |
| Tue 4 Jul 1989 | Hammersmith and Fulham | 1 | 1 | Slight |
| Fri 7 Jul 1989 | Wandsworth | 1 | 1 | Fatal |
| Thu 13 Jul 1989 | Hammersmith and Fulham | 2 | 1 | Slight |
| Sun 16 Jul 1989 | Wandsworth | 1 | 1 | Serious |
| Tue 18 Jul 1989 | Hammersmith and Fulham | 2 | 2 | Slight |
| Wed 19 Jul 1989 | Wandsworth | 3 | 1 | Serious |
| Wed 2 Aug 1989 | Wandsworth | 2 | 1 | Slight |
| Wed 9 Aug 1989 | Wandsworth | 2 | 1 | Slight |
| Thu 10 Aug 1989 | Richmond upon Thames | 2 | 1 | Slight |
| Fri 11 Aug 1989 | Wandsworth | 2 | 1 | Slight |
| Mon 14 Aug 1989 | Richmond upon Thames | 1 | 1 | Slight |
| Sat 19 Aug 1989 | South Somerset | 3 | 3 | Slight |
| Sat 19 Aug 1989 | Richmond upon Thames | 2 | 1 | Slight |
| Mon 21 Aug 1989 | Richmond upon Thames | 2 | 1 | Serious |
| Wed 23 Aug 1989 | Hammersmith and Fulham | 2 | 1 | Slight |
| Wed 23 Aug 1989 | Hammersmith and Fulham | 2 | 1 | Slight |
| Tue 29 Aug 1989 | Wandsworth | 2 | 1 | Slight |
| Fri 1 Sep 1989 | Wandsworth | 2 | 1 | Slight |
| Fri 1 Sep 1989 | Richmond upon Thames | 2 | 1 | Slight |
| Sun 3 Sep 1989 | Wandsworth | 2 | 1 | Slight |
| Sun 3 Sep 1989 | Wandsworth | 2 | 1 | Slight |
| Wed 13 Sep 1989 | Wandsworth | 1 | 1 | Serious |
| Thu 14 Sep 1989 | Richmond upon Thames | 2 | 1 | Slight |
| Sat 16 Sep 1989 | Wandsworth | 1 | 1 | Serious |
| Tue 19 Sep 1989 | Richmond upon Thames | 2 | 1 | Slight |
| Wed 20 Sep 1989 | Richmond upon Thames | 1 | 2 | Serious |
| Fri 22 Sep 1989 | Wandsworth | 1 | 1 | Serious |
| Mon 25 Sep 1989 | Wandsworth | 2 | 1 | Serious |
| Fri 29 Sep 1989 | Wandsworth | 2 | 1 | Slight |
| Sat 30 Sep 1989 | Richmond upon Thames | 2 | 1 | Slight |
| Mon 2 Oct 1989 | Wandsworth | 2 | 1 | Slight |
| Tue 3 Oct 1989 | Wandsworth | 1 | 1 | Slight |
| Sat 7 Oct 1989 | Richmond upon Thames | 2 | 1 | Slight |
| Wed 11 Oct 1989 | Hammersmith and Fulham | 1 | 1 | Slight |
| Wed 11 Oct 1989 | Hammersmith and Fulham | 1 | 1 | Slight |
| Tue 17 Oct 1989 | Wandsworth | 4 | 3 | Slight |
| Sat 21 Oct 1989 | Richmond upon Thames | 2 | 1 | Serious |
| Mon 23 Oct 1989 | Wandsworth | 2 | 1 | Slight |
| Wed 1 Nov 1989 | Hammersmith and Fulham | 1 | 2 | Slight |
| Wed 8 Nov 1989 | Hammersmith and Fulham | 1 | 1 | Serious |
| Wed 15 Nov 1989 | Wandsworth | 1 | 1 | Serious |
| Sat 18 Nov 1989 | Hammersmith and Fulham | 2 | 1 | Serious |
| Sun 19 Nov 1989 | Hammersmith and Fulham | 1 | 1 | Slight |
| Sun 26 Nov 1989 | Wandsworth | 1 | 1 | Slight |
| Sun 26 Nov 1989 | Richmond upon Thames | 2 | 1 | Slight |
| Tue 28 Nov 1989 | Wandsworth | 2 | 1 | Slight |
| Fri 22 Dec 1989 | Hammersmith and Fulham | 3 | 1 | Slight |
| Sat 23 Dec 1989 | Wandsworth | 1 | 1 | Slight |
| Thu 28 Dec 1989 | Hammersmith and Fulham | 1 | 2 | Slight |