Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Fri 3 Jan 1986 | Leeds | 1 | 1 | Serious |
| Wed 8 Jan 1986 | Leeds | 1 | 1 | Slight |
| Thu 9 Jan 1986 | Bradford | 2 | 1 | Serious |
| Fri 10 Jan 1986 | Leeds | 2 | 1 | Slight |
| Sun 12 Jan 1986 | Leeds | 2 | 2 | Serious |
| Tue 14 Jan 1986 | Leeds | 1 | 1 | Slight |
| Tue 14 Jan 1986 | Leeds | 3 | 1 | Slight |
| Thu 23 Jan 1986 | Leeds | 1 | 1 | Slight |
| Fri 24 Jan 1986 | Leeds | 3 | 1 | Serious |
| Sat 25 Jan 1986 | Leeds | 2 | 1 | Slight |
| Mon 27 Jan 1986 | Leeds | 3 | 1 | Slight |
| Tue 28 Jan 1986 | Leeds | 1 | 1 | Slight |
| Fri 31 Jan 1986 | Leeds | 2 | 1 | Slight |
| Sat 1 Feb 1986 | Leeds | 2 | 1 | Slight |
| Tue 4 Feb 1986 | Leeds | 2 | 1 | Slight |
| Wed 5 Feb 1986 | Bradford | 3 | 1 | Slight |
| Thu 6 Feb 1986 | Leeds | 1 | 1 | Slight |
| Sat 8 Feb 1986 | Leeds | 1 | 1 | Serious |
| Mon 10 Feb 1986 | Leeds | 2 | 1 | Slight |
| Wed 26 Feb 1986 | Leeds | 1 | 1 | Serious |
| Tue 4 Mar 1986 | Leeds | 2 | 1 | Slight |
| Tue 4 Mar 1986 | Leeds | 1 | 1 | Slight |
| Tue 11 Mar 1986 | Leeds | 2 | 2 | Serious |
| Thu 13 Mar 1986 | Leeds | 2 | 3 | Serious |
| Mon 17 Mar 1986 | Leeds | 1 | 1 | Slight |
| Tue 18 Mar 1986 | Leeds | 2 | 1 | Serious |
| Fri 21 Mar 1986 | Leeds | 2 | 1 | Slight |
| Wed 2 Apr 1986 | Leeds | 2 | 1 | Slight |
| Wed 2 Apr 1986 | Bradford | 2 | 1 | Slight |
| Mon 21 Apr 1986 | Leeds | 1 | 1 | Slight |
| Wed 23 Apr 1986 | Bradford | 2 | 1 | Fatal |
| Thu 24 Apr 1986 | Leeds | 2 | 1 | Slight |
| Sun 27 Apr 1986 | Bradford | 2 | 1 | Slight |
| Tue 29 Apr 1986 | Leeds | 2 | 1 | Serious |
| Wed 30 Apr 1986 | Leeds | 1 | 1 | Slight |
| Tue 6 May 1986 | Leeds | 1 | 1 | Slight |
| Sat 10 May 1986 | Leeds | 1 | 1 | Serious |
| Tue 13 May 1986 | Leeds | 1 | 1 | Serious |
| Wed 21 May 1986 | Leeds | 2 | 1 | Slight |
| Wed 21 May 1986 | Leeds | 2 | 2 | Slight |
| Thu 22 May 1986 | Leeds | 2 | 1 | Slight |
| Thu 22 May 1986 | Leeds | 2 | 1 | Slight |
| Thu 5 Jun 1986 | Leeds | 1 | 1 | Slight |
| Sun 8 Jun 1986 | Leeds | 1 | 1 | Serious |
| Tue 10 Jun 1986 | Leeds | 2 | 1 | Slight |
| Thu 12 Jun 1986 | Leeds | 1 | 1 | Slight |
| Fri 13 Jun 1986 | Leeds | 2 | 2 | Slight |
| Sat 14 Jun 1986 | Leeds | 1 | 1 | Fatal |
| Sun 15 Jun 1986 | Leeds | 2 | 1 | Slight |
| Wed 18 Jun 1986 | Leeds | 2 | 1 | Slight |
| Fri 20 Jun 1986 | Leeds | 3 | 1 | Slight |
| Fri 20 Jun 1986 | Leeds | 1 | 1 | Slight |
| Sat 21 Jun 1986 | Leeds | 1 | 3 | Fatal |
| Mon 23 Jun 1986 | Leeds | 2 | 1 | Slight |
| Mon 23 Jun 1986 | Leeds | 1 | 1 | Slight |
| Thu 26 Jun 1986 | Leeds | 2 | 1 | Slight |
| Mon 30 Jun 1986 | Leeds | 2 | 1 | Slight |
| Thu 3 Jul 1986 | Leeds | 2 | 2 | Slight |
| Thu 3 Jul 1986 | Leeds | 2 | 1 | Slight |
| Sat 5 Jul 1986 | Leeds | 1 | 1 | Fatal |
| Wed 16 Jul 1986 | Leeds | 2 | 1 | Slight |
| Sat 19 Jul 1986 | Leeds | 1 | 1 | Slight |
| Sat 19 Jul 1986 | Leeds | 1 | 3 | Fatal |
| Tue 22 Jul 1986 | Leeds | 1 | 3 | Fatal |
| Thu 24 Jul 1986 | Leeds | 1 | 1 | Slight |
| Fri 25 Jul 1986 | Leeds | 2 | 1 | Slight |
| Mon 28 Jul 1986 | Leeds | 1 | 1 | Slight |
| Tue 29 Jul 1986 | Leeds | 1 | 1 | Slight |
| Mon 11 Aug 1986 | Leeds | 2 | 1 | Slight |
| Tue 12 Aug 1986 | Leeds | 1 | 1 | Serious |
| Thu 14 Aug 1986 | Leeds | 1 | 1 | Slight |
| Fri 22 Aug 1986 | Leeds | 2 | 1 | Slight |
| Tue 2 Sep 1986 | Leeds | 1 | 1 | Slight |
| Tue 9 Sep 1986 | Leeds | 1 | 3 | Fatal |
| Thu 11 Sep 1986 | Leeds | 2 | 1 | Slight |
| Sat 13 Sep 1986 | Leeds | 1 | 1 | Serious |
| Sun 14 Sep 1986 | Leeds | 2 | 3 | Slight |
| Mon 15 Sep 1986 | Leeds | 2 | 1 | Slight |
| Wed 17 Sep 1986 | Leeds | 2 | 2 | Slight |
| Mon 29 Sep 1986 | Leeds | 1 | 1 | Serious |
| Tue 30 Sep 1986 | Leeds | 1 | 1 | Slight |
| Fri 3 Oct 1986 | Leeds | 2 | 1 | Slight |
| Fri 3 Oct 1986 | Leeds | 2 | 1 | Slight |
| Sat 4 Oct 1986 | Leeds | 2 | 1 | Slight |
| Sun 5 Oct 1986 | Leeds | 4 | 3 | Slight |
| Sat 11 Oct 1986 | Leeds | 2 | 2 | Slight |
| Sat 11 Oct 1986 | Leeds | 1 | 1 | Slight |
| Tue 14 Oct 1986 | Leeds | 1 | 1 | Serious |
| Sun 19 Oct 1986 | Leeds | 1 | 1 | Slight |
| Mon 27 Oct 1986 | Leeds | 3 | 2 | Slight |
| Tue 28 Oct 1986 | Leeds | 2 | 1 | Slight |
| Wed 29 Oct 1986 | Leeds | 1 | 1 | Slight |
| Wed 29 Oct 1986 | Leeds | 2 | 1 | Slight |
| Sat 1 Nov 1986 | Leeds | 2 | 1 | Slight |
| Mon 3 Nov 1986 | Leeds | 1 | 1 | Fatal |
| Sat 8 Nov 1986 | Salford | 1 | 1 | Slight |
| Mon 10 Nov 1986 | Leeds | 2 | 1 | Slight |
| Tue 11 Nov 1986 | Leeds | 2 | 1 | Slight |
| Tue 11 Nov 1986 | Leeds | 1 | 1 | Slight |
| Tue 18 Nov 1986 | Leeds | 2 | 1 | Serious |
| Wed 19 Nov 1986 | Leeds | 1 | 1 | Serious |
| Thu 20 Nov 1986 | Leeds | 2 | 1 | Slight |
| Sat 22 Nov 1986 | Leeds | 1 | 1 | Serious |
| Sat 22 Nov 1986 | Leeds | 1 | 3 | Slight |
| Mon 24 Nov 1986 | Leeds | 1 | 1 | Serious |
| Fri 28 Nov 1986 | Leeds | 1 | 1 | Serious |
| Sun 30 Nov 1986 | Leeds | 2 | 2 | Slight |
| Mon 1 Dec 1986 | Leeds | 2 | 1 | Slight |
| Thu 4 Dec 1986 | Leeds | 1 | 1 | Serious |
| Thu 4 Dec 1986 | Leeds | 1 | 1 | Slight |
| Thu 4 Dec 1986 | Leeds | 2 | 2 | Serious |
| Tue 9 Dec 1986 | Bedford | 3 | 1 | Serious |
| Wed 10 Dec 1986 | Leeds | 2 | 1 | Slight |
| Sat 13 Dec 1986 | Leeds | 4 | 3 | Fatal |
| Tue 16 Dec 1986 | Leeds | 2 | 1 | Serious |