Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Sat 14 Jan 1989 | Wycombe | 6 | 3 | Slight |
| Sun 15 Jan 1989 | Wycombe | 2 | 1 | Slight |
| Fri 20 Jan 1989 | Wycombe | 1 | 1 | Slight |
| Mon 30 Jan 1989 | Wycombe | 4 | 1 | Slight |
| Fri 10 Feb 1989 | Wycombe | 4 | 1 | Slight |
| Fri 10 Feb 1989 | Wycombe | 2 | 1 | Serious |
| Fri 10 Feb 1989 | Wycombe | 3 | 1 | Slight |
| Wed 15 Mar 1989 | Wycombe | 2 | 1 | Slight |
| Sun 19 Mar 1989 | Wycombe | 2 | 1 | Serious |
| Sun 19 Mar 1989 | Wycombe | 2 | 1 | Serious |
| Fri 31 Mar 1989 | Wycombe | 2 | 1 | Slight |
| Wed 12 Apr 1989 | Windsor and Maidenhead | 2 | 1 | Slight |
| Mon 17 Apr 1989 | Wycombe | 2 | 1 | Slight |
| Wed 31 May 1989 | Wycombe | 2 | 2 | Slight |
| Sat 3 Jun 1989 | Wycombe | 2 | 1 | Serious |
| Thu 20 Jul 1989 | Wycombe | 2 | 1 | Slight |
| Fri 28 Jul 1989 | Windsor and Maidenhead | 2 | 1 | Serious |
| Wed 30 Aug 1989 | Wycombe | 2 | 1 | Serious |
| Sun 3 Sep 1989 | Wycombe | 3 | 1 | Slight |
| Wed 13 Sep 1989 | Wycombe | 2 | 1 | Slight |
| Wed 13 Sep 1989 | Wycombe | 2 | 1 | Slight |
| Thu 14 Sep 1989 | Wycombe | 2 | 1 | Slight |
| Thu 21 Sep 1989 | Wycombe | 3 | 1 | Serious |
| Tue 10 Oct 1989 | Wycombe | 2 | 1 | Serious |
| Mon 16 Oct 1989 | Windsor and Maidenhead | 1 | 1 | Fatal |
| Sun 22 Oct 1989 | Windsor and Maidenhead | 2 | 1 | Slight |
| Wed 25 Oct 1989 | Windsor and Maidenhead | 2 | 1 | Slight |
| Thu 26 Oct 1989 | Wycombe | 3 | 3 | Slight |
| Mon 30 Oct 1989 | Wycombe | 3 | 2 | Slight |
| Wed 8 Nov 1989 | Wycombe | 4 | 1 | Slight |
| Mon 13 Nov 1989 | Wycombe | 2 | 1 | Slight |
| Wed 6 Dec 1989 | Wycombe | 1 | 1 | Serious |
| Wed 6 Dec 1989 | Wycombe | 1 | 1 | Serious |
| Sun 10 Dec 1989 | Wycombe | 2 | 1 | Slight |
| Wed 13 Dec 1989 | Windsor and Maidenhead | 1 | 1 | Slight |
| Fri 22 Dec 1989 | Windsor and Maidenhead | 1 | 1 | Slight |