Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Wed 8 Jan 1986 | Calderdale | 1 | 1 | Slight |
| Tue 14 Jan 1986 | Calderdale | 2 | 1 | Slight |
| Fri 17 Jan 1986 | Calderdale | 1 | 1 | Slight |
| Sun 19 Jan 1986 | Calderdale | 1 | 1 | Slight |
| Thu 23 Jan 1986 | Calderdale | 2 | 3 | Slight |
| Sun 26 Jan 1986 | Calderdale | 3 | 1 | Slight |
| Sun 26 Jan 1986 | Calderdale | 1 | 1 | Slight |
| Wed 29 Jan 1986 | Calderdale | 1 | 1 | Slight |
| Fri 31 Jan 1986 | Calderdale | 2 | 1 | Slight |
| Mon 3 Feb 1986 | Burnley | 2 | 1 | Slight |
| Wed 5 Feb 1986 | Calderdale | 2 | 1 | Slight |
| Fri 14 Feb 1986 | Calderdale | 2 | 3 | Slight |
| Fri 14 Feb 1986 | Calderdale | 1 | 1 | Serious |
| Wed 19 Feb 1986 | Calderdale | 2 | 1 | Slight |
| Tue 4 Mar 1986 | Calderdale | 1 | 1 | Fatal |
| Fri 7 Mar 1986 | Calderdale | 1 | 1 | Fatal |
| Sun 9 Mar 1986 | Burnley | 2 | 1 | Slight |
| Mon 10 Mar 1986 | Calderdale | 1 | 1 | Slight |
| Sun 23 Mar 1986 | Calderdale | 1 | 1 | Slight |
| Sun 23 Mar 1986 | Calderdale | 1 | 1 | Slight |
| Tue 25 Mar 1986 | Calderdale | 2 | 1 | Slight |
| Thu 27 Mar 1986 | Calderdale | 1 | 1 | Slight |
| Fri 28 Mar 1986 | Calderdale | 1 | 1 | Slight |
| Sun 30 Mar 1986 | Burnley | 1 | 1 | Slight |
| Wed 9 Apr 1986 | Burnley | 2 | 1 | Slight |
| Fri 11 Apr 1986 | Calderdale | 2 | 1 | Slight |
| Fri 25 Apr 1986 | Burnley | 1 | 2 | Slight |
| Wed 7 May 1986 | Calderdale | 1 | 1 | Slight |
| Thu 15 May 1986 | Calderdale | 1 | 1 | Slight |
| Fri 23 May 1986 | Burnley | 1 | 1 | Serious |
| Thu 29 May 1986 | Calderdale | 1 | 1 | Slight |
| Fri 30 May 1986 | Calderdale | 1 | 1 | Slight |
| Sun 1 Jun 1986 | Calderdale | 1 | 1 | Serious |
| Sat 14 Jun 1986 | Calderdale | 2 | 1 | Slight |
| Mon 30 Jun 1986 | Calderdale | 1 | 1 | Slight |
| Tue 1 Jul 1986 | Calderdale | 1 | 1 | Slight |
| Fri 4 Jul 1986 | Burnley | 2 | 2 | Serious |
| Tue 8 Jul 1986 | Calderdale | 2 | 1 | Serious |
| Tue 22 Jul 1986 | Calderdale | 1 | 1 | Slight |
| Thu 24 Jul 1986 | Calderdale | 1 | 1 | Slight |
| Mon 28 Jul 1986 | Calderdale | 2 | 1 | Slight |
| Sat 2 Aug 1986 | Calderdale | 4 | 1 | Slight |
| Sat 2 Aug 1986 | Calderdale | 1 | 1 | Slight |
| Tue 5 Aug 1986 | Burnley | 1 | 1 | Slight |
| Sat 9 Aug 1986 | Calderdale | 1 | 1 | Slight |
| Mon 11 Aug 1986 | Burnley | 1 | 1 | Slight |
| Tue 12 Aug 1986 | Calderdale | 2 | 1 | Slight |
| Sun 17 Aug 1986 | Burnley | 1 | 1 | Slight |
| Wed 20 Aug 1986 | Calderdale | 1 | 1 | Slight |
| Fri 29 Aug 1986 | Burnley | 2 | 3 | Slight |
| Sun 31 Aug 1986 | Calderdale | 2 | 1 | Serious |
| Thu 4 Sep 1986 | Calderdale | 1 | 1 | Serious |
| Fri 5 Sep 1986 | Calderdale | 1 | 1 | Serious |
| Sun 7 Sep 1986 | Calderdale | 1 | 1 | Serious |
| Wed 10 Sep 1986 | Calderdale | 2 | 1 | Slight |
| Thu 11 Sep 1986 | Calderdale | 1 | 1 | Slight |
| Sat 13 Sep 1986 | Calderdale | 1 | 2 | Serious |
| Tue 16 Sep 1986 | Burnley | 1 | 1 | Slight |
| Sat 20 Sep 1986 | Calderdale | 2 | 1 | Slight |
| Mon 22 Sep 1986 | Burnley | 2 | 1 | Serious |
| Fri 26 Sep 1986 | Calderdale | 1 | 1 | Slight |
| Mon 29 Sep 1986 | Calderdale | 3 | 2 | Slight |
| Tue 30 Sep 1986 | Calderdale | 1 | 1 | Serious |
| Thu 2 Oct 1986 | Calderdale | 1 | 1 | Fatal |
| Sat 4 Oct 1986 | Burnley | 1 | 2 | Slight |
| Sun 5 Oct 1986 | Burnley | 2 | 1 | Slight |
| Tue 7 Oct 1986 | Calderdale | 2 | 1 | Serious |
| Sat 11 Oct 1986 | Calderdale | 2 | 5 | Serious |
| Sun 12 Oct 1986 | Calderdale | 2 | 1 | Slight |
| Tue 14 Oct 1986 | Calderdale | 1 | 6 | Serious |
| Tue 14 Oct 1986 | Calderdale | 1 | 1 | Slight |
| Thu 16 Oct 1986 | Calderdale | 1 | 2 | Slight |
| Mon 20 Oct 1986 | Calderdale | 2 | 1 | Slight |
| Wed 22 Oct 1986 | Calderdale | 2 | 2 | Serious |
| Wed 22 Oct 1986 | Calderdale | 2 | 1 | Slight |
| Sun 26 Oct 1986 | Calderdale | 2 | 2 | Slight |
| Mon 27 Oct 1986 | Calderdale | 2 | 1 | Slight |
| Thu 30 Oct 1986 | Calderdale | 2 | 2 | Slight |
| Sun 2 Nov 1986 | Calderdale | 1 | 2 | Serious |
| Mon 3 Nov 1986 | Burnley | 2 | 1 | Serious |
| Sun 9 Nov 1986 | Burnley | 1 | 1 | Serious |
| Tue 11 Nov 1986 | Calderdale | 2 | 1 | Slight |
| Wed 12 Nov 1986 | Calderdale | 1 | 1 | Serious |
| Wed 19 Nov 1986 | Calderdale | 1 | 1 | Serious |
| Sat 29 Nov 1986 | Calderdale | 2 | 1 | Slight |
| Wed 3 Dec 1986 | Calderdale | 2 | 1 | Slight |
| Sat 6 Dec 1986 | Calderdale | 1 | 1 | Slight |
| Sat 6 Dec 1986 | Calderdale | 2 | 4 | Slight |
| Thu 18 Dec 1986 | Calderdale | 1 | 1 | Slight |
| Thu 25 Dec 1986 | Calderdale | 2 | 4 | Serious |
| Fri 26 Dec 1986 | Burnley | 2 | 1 | Slight |
| Wed 31 Dec 1986 | Burnley | 1 | 1 | Slight |