Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Wed 8 Jan 1986 | South Oxfordshire | 2 | 1 | Slight |
| Wed 8 Jan 1986 | South Oxfordshire | 1 | 1 | Slight |
| Thu 9 Jan 1986 | South Bucks | 2 | 1 | Slight |
| Fri 24 Jan 1986 | South Bucks | 2 | 1 | Slight |
| Wed 29 Jan 1986 | Wycombe | 2 | 1 | Slight |
| Sun 2 Feb 1986 | South Oxfordshire | 4 | 1 | Slight |
| Mon 17 Feb 1986 | South Oxfordshire | 2 | 3 | Slight |
| Thu 20 Feb 1986 | Wycombe | 2 | 2 | Slight |
| Wed 26 Feb 1986 | South Bucks | 1 | 1 | Slight |
| Tue 4 Mar 1986 | South Bucks | 2 | 1 | Slight |
| Mon 10 Mar 1986 | South Bucks | 2 | 2 | Slight |
| Mon 17 Mar 1986 | South Oxfordshire | 1 | 2 | Serious |
| Tue 25 Mar 1986 | South Oxfordshire | 1 | 1 | Slight |
| Wed 2 Apr 1986 | Wycombe | 1 | 1 | Slight |
| Thu 3 Apr 1986 | Wycombe | 2 | 3 | Slight |
| Fri 4 Apr 1986 | South Oxfordshire | 3 | 1 | Slight |
| Sat 12 Apr 1986 | Wycombe | 1 | 1 | Slight |
| Sat 12 Apr 1986 | South Bucks | 1 | 2 | Serious |
| Sat 12 Apr 1986 | South Bucks | 1 | 2 | Serious |
| Sun 13 Apr 1986 | South Oxfordshire | 4 | 3 | Fatal |
| Mon 14 Apr 1986 | South Bucks | 2 | 1 | Slight |
| Mon 21 Apr 1986 | South Oxfordshire | 1 | 1 | Slight |
| Wed 23 Apr 1986 | Wycombe | 2 | 1 | Slight |
| Tue 6 May 1986 | Wycombe | 2 | 3 | Slight |
| Thu 8 May 1986 | South Bucks | 1 | 1 | Slight |
| Thu 8 May 1986 | South Bucks | 1 | 1 | Slight |
| Tue 20 May 1986 | South Oxfordshire | 1 | 1 | Slight |
| Fri 23 May 1986 | South Oxfordshire | 2 | 1 | Slight |
| Mon 26 May 1986 | Wycombe | 1 | 1 | Slight |
| Mon 26 May 1986 | South Bucks | 1 | 5 | Fatal |
| Mon 26 May 1986 | South Bucks | 1 | 5 | Fatal |
| Sat 7 Jun 1986 | Wycombe | 2 | 1 | Serious |
| Wed 11 Jun 1986 | South Bucks | 1 | 1 | Slight |
| Wed 11 Jun 1986 | South Bucks | 1 | 1 | Slight |
| Fri 13 Jun 1986 | Wycombe | 1 | 1 | Slight |
| Sat 14 Jun 1986 | South Oxfordshire | 1 | 1 | Slight |
| Sun 15 Jun 1986 | South Oxfordshire | 1 | 4 | Serious |
| Sat 21 Jun 1986 | South Oxfordshire | 1 | 2 | Serious |
| Mon 23 Jun 1986 | South Bucks | 4 | 1 | Serious |
| Tue 24 Jun 1986 | South Oxfordshire | 2 | 2 | Slight |
| Tue 1 Jul 1986 | South Oxfordshire | 2 | 1 | Serious |
| Thu 3 Jul 1986 | South Bucks | 2 | 1 | Slight |
| Tue 8 Jul 1986 | Wycombe | 1 | 1 | Slight |
| Thu 10 Jul 1986 | South Bucks | 2 | 6 | Serious |
| Fri 11 Jul 1986 | South Bucks | 2 | 1 | Slight |
| Sat 12 Jul 1986 | South Oxfordshire | 2 | 2 | Serious |
| Wed 16 Jul 1986 | South Oxfordshire | 2 | 2 | Serious |
| Fri 18 Jul 1986 | Wycombe | 2 | 2 | Slight |
| Tue 22 Jul 1986 | South Oxfordshire | 1 | 1 | Slight |
| Wed 23 Jul 1986 | Wycombe | 3 | 2 | Slight |
| Wed 30 Jul 1986 | Wycombe | 1 | 1 | Slight |
| Thu 31 Jul 1986 | Wycombe | 1 | 2 | Slight |
| Sat 2 Aug 1986 | Wycombe | 1 | 3 | Serious |
| Sun 10 Aug 1986 | Wycombe | 1 | 4 | Slight |
| Tue 12 Aug 1986 | Wycombe | 2 | 1 | Serious |
| Wed 20 Aug 1986 | South Bucks | 1 | 1 | Slight |
| Wed 20 Aug 1986 | Wycombe | 3 | 2 | Slight |
| Sun 24 Aug 1986 | Wycombe | 2 | 2 | Slight |
| Sat 30 Aug 1986 | Wycombe | 4 | 2 | Slight |
| Sun 14 Sep 1986 | South Oxfordshire | 1 | 2 | Slight |
| Wed 17 Sep 1986 | Wycombe | 3 | 1 | Slight |
| Mon 22 Sep 1986 | Wycombe | 1 | 1 | Slight |
| Wed 24 Sep 1986 | Wycombe | 2 | 3 | Slight |
| Thu 2 Oct 1986 | Wycombe | 2 | 1 | Slight |
| Mon 6 Oct 1986 | South Oxfordshire | 1 | 2 | Slight |
| Sun 12 Oct 1986 | South Oxfordshire | 2 | 2 | Slight |
| Mon 13 Oct 1986 | Wycombe | 3 | 1 | Slight |
| Wed 15 Oct 1986 | South Bucks | 3 | 1 | Slight |
| Sat 18 Oct 1986 | South Bucks | 4 | 1 | Slight |
| Sat 18 Oct 1986 | South Bucks | 4 | 1 | Slight |
| Wed 22 Oct 1986 | Wycombe | 2 | 1 | Slight |
| Thu 30 Oct 1986 | Wycombe | 1 | 1 | Slight |
| Thu 30 Oct 1986 | Wycombe | 1 | 1 | Slight |
| Fri 7 Nov 1986 | Wycombe | 3 | 1 | Slight |
| Tue 18 Nov 1986 | Wycombe | 2 | 1 | Slight |
| Sat 29 Nov 1986 | South Bucks | 3 | 1 | Slight |
| Sun 30 Nov 1986 | South Bucks | 3 | 2 | Slight |
| Mon 1 Dec 1986 | Wycombe | 1 | 1 | Serious |
| Fri 5 Dec 1986 | South Oxfordshire | 1 | 1 | Slight |
| Fri 5 Dec 1986 | Wycombe | 10 | 7 | Serious |
| Wed 10 Dec 1986 | South Oxfordshire | 4 | 1 | Serious |
| Thu 11 Dec 1986 | South Bucks | 3 | 2 | Slight |
| Fri 12 Dec 1986 | South Oxfordshire | 2 | 1 | Slight |
| Sun 14 Dec 1986 | South Oxfordshire | 1 | 2 | Serious |
| Tue 16 Dec 1986 | Wycombe | 1 | 1 | Slight |
| Thu 18 Dec 1986 | Wycombe | 2 | 1 | Slight |
| Sun 28 Dec 1986 | South Oxfordshire | 2 | 1 | Slight |