Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Fri 3 Jan 1986 | Northampton | 2 | 4 | Serious |
| Mon 6 Jan 1986 | Wellingborough | 4 | 3 | Slight |
| Tue 14 Jan 1986 | Northampton | 1 | 1 | Serious |
| Fri 17 Jan 1986 | Northampton | 3 | 1 | Fatal |
| Fri 17 Jan 1986 | Northampton | 2 | 1 | Slight |
| Tue 21 Jan 1986 | Northampton | 2 | 1 | Slight |
| Wed 22 Jan 1986 | Northampton | 1 | 1 | Slight |
| Wed 22 Jan 1986 | Northampton | 1 | 1 | Slight |
| Thu 23 Jan 1986 | Northampton | 2 | 1 | Slight |
| Fri 24 Jan 1986 | Northampton | 2 | 1 | Slight |
| Wed 29 Jan 1986 | Northampton | 2 | 1 | Slight |
| Thu 6 Feb 1986 | Wellingborough | 1 | 1 | Serious |
| Fri 7 Feb 1986 | Northampton | 1 | 1 | Slight |
| Mon 10 Feb 1986 | Wellingborough | 2 | 1 | Slight |
| Tue 11 Feb 1986 | Northampton | 2 | 1 | Slight |
| Tue 11 Feb 1986 | Northampton | 2 | 1 | Serious |
| Fri 14 Feb 1986 | Northampton | 2 | 2 | Slight |
| Fri 14 Feb 1986 | Northampton | 2 | 1 | Slight |
| Sat 15 Feb 1986 | Northampton | 2 | 2 | Serious |
| Tue 18 Feb 1986 | Northampton | 2 | 1 | Slight |
| Tue 18 Feb 1986 | Northampton | 1 | 1 | Serious |
| Wed 19 Feb 1986 | Northampton | 2 | 1 | Slight |
| Wed 19 Feb 1986 | Northampton | 1 | 1 | Serious |
| Thu 20 Feb 1986 | Northampton | 1 | 1 | Slight |
| Fri 21 Feb 1986 | Northampton | 1 | 1 | Slight |
| Fri 21 Feb 1986 | Northampton | 1 | 1 | Serious |
| Mon 24 Feb 1986 | Northampton | 1 | 1 | Slight |
| Tue 25 Feb 1986 | Wellingborough | 1 | 1 | Slight |
| Wed 26 Feb 1986 | Wellingborough | 1 | 1 | Slight |
| Thu 27 Feb 1986 | Northampton | 1 | 1 | Slight |
| Fri 28 Feb 1986 | Northampton | 1 | 1 | Serious |
| Sun 2 Mar 1986 | Northampton | 2 | 1 | Slight |
| Tue 4 Mar 1986 | Northampton | 2 | 2 | Slight |
| Fri 14 Mar 1986 | Northampton | 2 | 1 | Slight |
| Fri 21 Mar 1986 | Northampton | 2 | 1 | Serious |
| Fri 21 Mar 1986 | Northampton | 2 | 1 | Slight |
| Fri 21 Mar 1986 | Northampton | 2 | 2 | Slight |
| Sat 22 Mar 1986 | Northampton | 3 | 2 | Slight |
| Sat 22 Mar 1986 | Northampton | 3 | 1 | Slight |
| Tue 1 Apr 1986 | Northampton | 3 | 2 | Slight |
| Thu 3 Apr 1986 | Northampton | 1 | 1 | Slight |
| Fri 4 Apr 1986 | Northampton | 1 | 1 | Serious |
| Sun 6 Apr 1986 | Northampton | 1 | 1 | Slight |
| Sun 6 Apr 1986 | Wellingborough | 2 | 4 | Slight |
| Thu 10 Apr 1986 | Northampton | 1 | 1 | Serious |
| Tue 15 Apr 1986 | Northampton | 2 | 1 | Slight |
| Wed 23 Apr 1986 | Northampton | 2 | 1 | Slight |
| Fri 2 May 1986 | Northampton | 3 | 1 | Slight |
| Mon 5 May 1986 | Northampton | 6 | 4 | Serious |
| Thu 8 May 1986 | Northampton | 2 | 1 | Slight |
| Sun 11 May 1986 | Northampton | 2 | 1 | Slight |
| Sat 17 May 1986 | Northampton | 3 | 1 | Serious |
| Wed 21 May 1986 | Wellingborough | 4 | 1 | Slight |
| Fri 23 May 1986 | Northampton | 2 | 3 | Serious |
| Mon 26 May 1986 | Northampton | 1 | 1 | Slight |
| Fri 6 Jun 1986 | Northampton | 2 | 1 | Slight |
| Sat 14 Jun 1986 | Northampton | 1 | 1 | Slight |
| Tue 17 Jun 1986 | Northampton | 1 | 1 | Slight |
| Thu 19 Jun 1986 | Northampton | 2 | 1 | Serious |
| Tue 24 Jun 1986 | Wellingborough | 1 | 1 | Slight |
| Tue 24 Jun 1986 | Northampton | 2 | 1 | Slight |
| Sun 29 Jun 1986 | Wellingborough | 1 | 2 | Slight |
| Sun 29 Jun 1986 | Northampton | 1 | 1 | Fatal |
| Thu 3 Jul 1986 | Northampton | 1 | 1 | Serious |
| Thu 3 Jul 1986 | Northampton | 1 | 1 | Slight |
| Sat 5 Jul 1986 | Northampton | 2 | 1 | Slight |
| Sun 6 Jul 1986 | Northampton | 2 | 2 | Slight |
| Mon 7 Jul 1986 | Wellingborough | 2 | 1 | Slight |
| Wed 9 Jul 1986 | Northampton | 2 | 1 | Serious |
| Fri 11 Jul 1986 | Northampton | 1 | 1 | Slight |
| Thu 17 Jul 1986 | Northampton | 3 | 1 | Slight |
| Sun 27 Jul 1986 | Northampton | 1 | 1 | Slight |
| Mon 28 Jul 1986 | Northampton | 2 | 2 | Serious |
| Wed 30 Jul 1986 | Northampton | 2 | 1 | Slight |
| Wed 30 Jul 1986 | Northampton | 2 | 1 | Slight |
| Tue 12 Aug 1986 | Northampton | 1 | 1 | Slight |
| Wed 13 Aug 1986 | Northampton | 1 | 1 | Slight |
| Thu 14 Aug 1986 | Northampton | 2 | 1 | Slight |
| Sat 16 Aug 1986 | Northampton | 2 | 1 | Slight |
| Mon 18 Aug 1986 | Northampton | 2 | 1 | Slight |
| Thu 21 Aug 1986 | Northampton | 1 | 1 | Slight |
| Thu 21 Aug 1986 | Northampton | 2 | 1 | Slight |
| Fri 22 Aug 1986 | Northampton | 2 | 1 | Slight |
| Thu 28 Aug 1986 | Northampton | 3 | 1 | Slight |
| Sat 6 Sep 1986 | Northampton | 3 | 2 | Slight |
| Mon 8 Sep 1986 | Northampton | 2 | 1 | Slight |
| Fri 12 Sep 1986 | Northampton | 3 | 1 | Serious |
| Sat 13 Sep 1986 | Northampton | 1 | 1 | Slight |
| Sat 20 Sep 1986 | Northampton | 1 | 2 | Slight |
| Fri 26 Sep 1986 | Northampton | 1 | 1 | Slight |
| Sat 27 Sep 1986 | Northampton | 2 | 1 | Slight |
| Sat 27 Sep 1986 | Northampton | 1 | 1 | Slight |
| Mon 6 Oct 1986 | Wellingborough | 1 | 1 | Slight |
| Tue 7 Oct 1986 | Northampton | 1 | 1 | Slight |
| Fri 10 Oct 1986 | Northampton | 1 | 1 | Slight |
| Sun 12 Oct 1986 | Northampton | 1 | 1 | Slight |
| Sun 12 Oct 1986 | Northampton | 1 | 1 | Slight |
| Sat 18 Oct 1986 | Northampton | 2 | 1 | Slight |
| Sat 18 Oct 1986 | Northampton | 2 | 1 | Slight |
| Sun 19 Oct 1986 | Northampton | 2 | 1 | Slight |
| Thu 23 Oct 1986 | Northampton | 1 | 1 | Serious |
| Thu 23 Oct 1986 | Northampton | 2 | 1 | Slight |
| Fri 24 Oct 1986 | Northampton | 3 | 3 | Slight |
| Sun 26 Oct 1986 | Northampton | 4 | 6 | Slight |
| Mon 27 Oct 1986 | Northampton | 1 | 1 | Slight |
| Tue 28 Oct 1986 | Northampton | 2 | 1 | Slight |
| Tue 28 Oct 1986 | Northampton | 4 | 1 | Slight |
| Tue 28 Oct 1986 | Northampton | 1 | 1 | Slight |
| Thu 30 Oct 1986 | Northampton | 3 | 2 | Slight |
| Thu 30 Oct 1986 | Northampton | 2 | 1 | Slight |
| Mon 3 Nov 1986 | Northampton | 2 | 2 | Serious |
| Mon 3 Nov 1986 | Northampton | 1 | 1 | Serious |
| Fri 7 Nov 1986 | Northampton | 1 | 1 | Serious |
| Tue 11 Nov 1986 | Northampton | 2 | 1 | Slight |
| Wed 12 Nov 1986 | Northampton | 2 | 5 | Serious |
| Thu 13 Nov 1986 | Northampton | 2 | 1 | Serious |
| Sun 16 Nov 1986 | Northampton | 2 | 1 | Slight |
| Mon 17 Nov 1986 | Wellingborough | 5 | 3 | Slight |
| Mon 17 Nov 1986 | Northampton | 1 | 1 | Slight |
| Fri 21 Nov 1986 | Northampton | 2 | 1 | Slight |
| Fri 21 Nov 1986 | Northampton | 3 | 1 | Slight |
| Sat 22 Nov 1986 | Northampton | 2 | 1 | Slight |
| Mon 24 Nov 1986 | Northampton | 2 | 1 | Slight |
| Mon 24 Nov 1986 | Northampton | 1 | 1 | Slight |
| Mon 24 Nov 1986 | Northampton | 2 | 1 | Slight |
| Wed 26 Nov 1986 | Northampton | 2 | 1 | Slight |
| Wed 26 Nov 1986 | Northampton | 2 | 1 | Slight |
| Wed 26 Nov 1986 | Northampton | 2 | 1 | Slight |
| Thu 27 Nov 1986 | Northampton | 2 | 1 | Slight |
| Mon 1 Dec 1986 | Wellingborough | 4 | 2 | Slight |
| Thu 4 Dec 1986 | Northampton | 1 | 2 | Slight |
| Fri 5 Dec 1986 | Northampton | 2 | 1 | Slight |
| Sat 6 Dec 1986 | Northampton | 3 | 1 | Slight |
| Sun 7 Dec 1986 | Northampton | 2 | 1 | Serious |
| Sun 7 Dec 1986 | Northampton | 2 | 1 | Slight |
| Mon 8 Dec 1986 | Northampton | 2 | 1 | Slight |
| Wed 10 Dec 1986 | Wellingborough | 1 | 1 | Slight |
| Wed 17 Dec 1986 | Northampton | 1 | 1 | Slight |
| Sat 20 Dec 1986 | Northampton | 1 | 1 | Slight |
| Tue 23 Dec 1986 | Northampton | 2 | 1 | Slight |
| Mon 29 Dec 1986 | Wellingborough | 1 | 1 | Slight |