Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Tue 7 Mar 1989 | South Bucks | 3 | 1 | Slight |
| Wed 22 Mar 1989 | Hillingdon | 1 | 1 | Slight |
| Tue 16 May 1989 | Hillingdon | 2 | 3 | Serious |
| Tue 30 May 1989 | Hillingdon | 3 | 2 | Slight |
| Thu 17 Aug 1989 | Hillingdon | 1 | 1 | Serious |
| Wed 6 Sep 1989 | Hillingdon | 2 | 1 | Slight |
| Fri 15 Sep 1989 | South Bucks | 2 | 1 | Slight |
| Fri 29 Sep 1989 | Hillingdon | 3 | 3 | Slight |
| Fri 6 Oct 1989 | South Bucks | 1 | 1 | Slight |
| Fri 6 Oct 1989 | South Bucks | 3 | 2 | Slight |
| Sat 7 Oct 1989 | South Bucks | 3 | 1 | Slight |
| Sat 7 Oct 1989 | Hillingdon | 2 | 1 | Slight |
| Sun 22 Oct 1989 | Hillingdon | 1 | 1 | Slight |
| Mon 30 Oct 1989 | South Bucks | 1 | 1 | Slight |
| Tue 31 Oct 1989 | Hillingdon | 2 | 1 | Slight |
| Fri 10 Nov 1989 | South Bucks | 1 | 1 | Serious |
| Sat 2 Dec 1989 | South Bucks | 3 | 1 | Slight |
| Thu 21 Dec 1989 | Hillingdon | 1 | 1 | Slight |