Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Wed 4 Jan 1989 | Hillingdon | 1 | 1 | Slight |
| Wed 11 Jan 1989 | Hillingdon | 1 | 1 | Slight |
| Thu 12 Jan 1989 | Hillingdon | 2 | 1 | Slight |
| Thu 12 Jan 1989 | Hillingdon | 3 | 1 | Slight |
| Tue 31 Jan 1989 | Hillingdon | 1 | 1 | Slight |
| Tue 31 Jan 1989 | Hillingdon | 2 | 1 | Slight |
| Mon 6 Feb 1989 | Hillingdon | 2 | 1 | Slight |
| Sat 4 Mar 1989 | Hillingdon | 1 | 1 | Slight |
| Sat 1 Apr 1989 | Hillingdon | 2 | 2 | Serious |
| Mon 8 May 1989 | Hillingdon | 2 | 1 | Serious |
| Fri 12 May 1989 | Hillingdon | 1 | 1 | Slight |
| Sat 20 May 1989 | Hillingdon | 2 | 1 | Slight |
| Tue 27 Jun 1989 | Hillingdon | 2 | 1 | Slight |
| Fri 11 Aug 1989 | Hillingdon | 1 | 1 | Slight |
| Sun 24 Sep 1989 | Hillingdon | 2 | 2 | Serious |
| Sat 30 Sep 1989 | Hillingdon | 2 | 1 | Slight |
| Sun 8 Oct 1989 | Hillingdon | 2 | 2 | Slight |
| Wed 29 Nov 1989 | Hillingdon | 3 | 1 | Slight |