Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Wed 4 Jan 1989 | Restormel | 2 | 1 | Slight |
| Sat 7 Jan 1989 | Mid Bedfordshire | 2 | 1 | Slight |
| Mon 9 Jan 1989 | Three Rivers | 1 | 4 | Serious |
| Mon 9 Jan 1989 | Watford | 2 | 1 | Slight |
| Wed 11 Jan 1989 | Watford | 3 | 1 | Serious |
| Tue 17 Jan 1989 | Watford | 2 | 1 | Slight |
| Thu 19 Jan 1989 | Mid Bedfordshire | 2 | 1 | Slight |
| Sat 21 Jan 1989 | Mid Bedfordshire | 2 | 1 | Slight |
| Sun 22 Jan 1989 | Watford | 1 | 1 | Slight |
| Tue 24 Jan 1989 | Restormel | 1 | 1 | Slight |
| Fri 27 Jan 1989 | Test Valley | 1 | 1 | Slight |
| Mon 30 Jan 1989 | Test Valley | 2 | 1 | Slight |
| Tue 31 Jan 1989 | Aylesbury Vale | 2 | 2 | Serious |
| Thu 2 Feb 1989 | Dacorum | 3 | 1 | Slight |
| Sat 4 Feb 1989 | Three Rivers | 2 | 2 | Slight |
| Fri 10 Feb 1989 | Three Rivers | 1 | 2 | Serious |
| Mon 13 Feb 1989 | Three Rivers | 2 | 1 | Slight |
| Sat 18 Feb 1989 | Restormel | 1 | 1 | Slight |
| Sat 18 Feb 1989 | Restormel | 1 | 1 | Slight |
| Sun 19 Feb 1989 | Three Rivers | 1 | 2 | Slight |
| Mon 6 Mar 1989 | Three Rivers | 2 | 1 | Slight |
| Sun 12 Mar 1989 | Three Rivers | 2 | 1 | Slight |
| Wed 15 Mar 1989 | Wycombe | 1 | 1 | Serious |
| Sun 19 Mar 1989 | Restormel | 1 | 1 | Slight |
| Mon 20 Mar 1989 | Wycombe | 2 | 1 | Slight |
| Mon 3 Apr 1989 | Wycombe | 2 | 1 | Slight |
| Tue 4 Apr 1989 | Dacorum | 2 | 3 | Serious |
| Fri 7 Apr 1989 | Wycombe | 1 | 1 | Slight |
| Mon 10 Apr 1989 | Restormel | 2 | 2 | Slight |
| Mon 10 Apr 1989 | North Wiltshire | 1 | 1 | Serious |
| Sat 15 Apr 1989 | Arun | 1 | 1 | Slight |
| Mon 24 Apr 1989 | Watford | 2 | 1 | Serious |
| Wed 26 Apr 1989 | Restormel | 2 | 1 | Slight |
| Sun 14 May 1989 | Three Rivers | 2 | 1 | Slight |
| Thu 18 May 1989 | Wycombe | 2 | 2 | Slight |
| Sun 21 May 1989 | Aylesbury Vale | 1 | 1 | Slight |
| Sun 21 May 1989 | Wycombe | 2 | 1 | Slight |
| Tue 6 Jun 1989 | Aylesbury Vale | 2 | 1 | Slight |
| Sun 18 Jun 1989 | Three Rivers | 2 | 1 | Slight |
| Sun 18 Jun 1989 | Wycombe | 2 | 2 | Slight |
| Thu 6 Jul 1989 | Watford | 2 | 1 | Slight |
| Sun 23 Jul 1989 | Mid Bedfordshire | 1 | 1 | Slight |
| Wed 2 Aug 1989 | Watford | 2 | 1 | Serious |
| Thu 10 Aug 1989 | Three Rivers | 4 | 1 | Serious |
| Mon 21 Aug 1989 | Three Rivers | 1 | 1 | Slight |
| Fri 25 Aug 1989 | Tandridge | 2 | 2 | Slight |
| Tue 29 Aug 1989 | Three Rivers | 2 | 1 | Slight |
| Wed 30 Aug 1989 | Dacorum | 3 | 1 | Slight |
| Thu 31 Aug 1989 | Aylesbury Vale | 2 | 1 | Slight |
| Sun 10 Sep 1989 | Restormel | 2 | 3 | Slight |
| Fri 22 Sep 1989 | Three Rivers | 3 | 1 | Slight |
| Sat 23 Sep 1989 | Wycombe | 2 | 2 | Slight |
| Sun 24 Sep 1989 | Restormel | 1 | 2 | Slight |
| Wed 27 Sep 1989 | Restormel | 2 | 1 | Slight |
| Sat 7 Oct 1989 | Mid Bedfordshire | 2 | 1 | Serious |
| Wed 11 Oct 1989 | Wycombe | 2 | 1 | Slight |
| Fri 13 Oct 1989 | Mid Bedfordshire | 2 | 1 | Serious |
| Sun 15 Oct 1989 | Aylesbury Vale | 2 | 1 | Slight |
| Mon 30 Oct 1989 | Wycombe | 2 | 1 | Serious |
| Fri 3 Nov 1989 | Dacorum | 2 | 1 | Slight |
| Sat 4 Nov 1989 | Three Rivers | 2 | 2 | Slight |
| Fri 10 Nov 1989 | Watford | 1 | 1 | Slight |
| Tue 14 Nov 1989 | Three Rivers | 2 | 1 | Slight |
| Tue 21 Nov 1989 | Wycombe | 3 | 1 | Slight |
| Mon 27 Nov 1989 | Dacorum | 2 | 1 | Slight |
| Mon 27 Nov 1989 | Three Rivers | 2 | 1 | Fatal |
| Tue 28 Nov 1989 | Watford | 2 | 1 | Slight |
| Sat 2 Dec 1989 | Watford | 2 | 1 | Slight |
| Mon 4 Dec 1989 | Wycombe | 1 | 1 | Slight |
| Thu 14 Dec 1989 | Tandridge | 2 | 1 | Slight |
| Sat 23 Dec 1989 | Watford | 2 | 1 | Slight |
| Sat 23 Dec 1989 | Mid Bedfordshire | 2 | 1 | Slight |
| Sat 23 Dec 1989 | Three Rivers | 2 | 3 | Slight |