Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Thu 2 Jan 1986 | Rochdale | 2 | 2 | Serious |
| Fri 10 Jan 1986 | Kirklees | 1 | 1 | Slight |
| Sun 12 Jan 1986 | Kirklees | 2 | 1 | Slight |
| Sun 19 Jan 1986 | Kirklees | 3 | 1 | Slight |
| Mon 20 Jan 1986 | Kirklees | 2 | 1 | Slight |
| Mon 27 Jan 1986 | Rochdale | 3 | 2 | Slight |
| Tue 28 Jan 1986 | Rochdale | 3 | 1 | Slight |
| Tue 4 Feb 1986 | Kirklees | 2 | 1 | Slight |
| Mon 17 Feb 1986 | Kirklees | 1 | 1 | Serious |
| Fri 21 Feb 1986 | Kirklees | 1 | 1 | Serious |
| Wed 26 Feb 1986 | Kirklees | 2 | 1 | Slight |
| Thu 27 Feb 1986 | Rochdale | 2 | 1 | Slight |
| Sat 1 Mar 1986 | Rochdale | 1 | 1 | Slight |
| Sat 1 Mar 1986 | Rochdale | 2 | 4 | Serious |
| Sat 1 Mar 1986 | Rochdale | 2 | 2 | Serious |
| Mon 3 Mar 1986 | Kirklees | 1 | 2 | Slight |
| Wed 5 Mar 1986 | Rochdale | 2 | 1 | Slight |
| Thu 13 Mar 1986 | Rochdale | 2 | 1 | Slight |
| Sun 16 Mar 1986 | Rochdale | 2 | 1 | Slight |
| Sat 22 Mar 1986 | Kirklees | 3 | 1 | Serious |
| Sun 23 Mar 1986 | Kirklees | 2 | 1 | Slight |
| Mon 14 Apr 1986 | Rochdale | 2 | 3 | Slight |
| Tue 29 Apr 1986 | Rochdale | 2 | 2 | Slight |
| Fri 2 May 1986 | Rochdale | 1 | 1 | Slight |
| Mon 5 May 1986 | Kirklees | 1 | 1 | Serious |
| Wed 14 May 1986 | Kirklees | 1 | 1 | Slight |
| Wed 28 May 1986 | Rochdale | 2 | 1 | Serious |
| Thu 29 May 1986 | Rochdale | 2 | 1 | Slight |
| Fri 6 Jun 1986 | Rochdale | 1 | 1 | Slight |
| Sun 8 Jun 1986 | Oldham | 2 | 1 | Serious |
| Thu 12 Jun 1986 | Rochdale | 3 | 3 | Slight |
| Sun 15 Jun 1986 | Kirklees | 2 | 1 | Slight |
| Tue 17 Jun 1986 | Rochdale | 1 | 1 | Slight |
| Wed 18 Jun 1986 | Kirklees | 1 | 1 | Serious |
| Mon 23 Jun 1986 | Rochdale | 2 | 1 | Slight |
| Fri 27 Jun 1986 | Kirklees | 2 | 1 | Slight |
| Sun 29 Jun 1986 | Kirklees | 2 | 1 | Serious |
| Sat 12 Jul 1986 | Kirklees | 1 | 1 | Serious |
| Tue 15 Jul 1986 | Rochdale | 1 | 1 | Serious |
| Thu 17 Jul 1986 | Rochdale | 1 | 1 | Slight |
| Thu 24 Jul 1986 | Rochdale | 2 | 1 | Slight |
| Sun 27 Jul 1986 | Kirklees | 2 | 2 | Serious |
| Wed 30 Jul 1986 | Rochdale | 2 | 1 | Slight |
| Wed 30 Jul 1986 | Kirklees | 3 | 1 | Slight |
| Sun 3 Aug 1986 | Kirklees | 2 | 1 | Slight |
| Wed 13 Aug 1986 | Rochdale | 2 | 1 | Slight |
| Fri 15 Aug 1986 | Kirklees | 1 | 1 | Serious |
| Sat 23 Aug 1986 | Rochdale | 2 | 1 | Slight |
| Mon 25 Aug 1986 | Rochdale | 2 | 2 | Slight |
| Wed 3 Sep 1986 | Rochdale | 1 | 1 | Fatal |
| Thu 4 Sep 1986 | Kirklees | 2 | 1 | Slight |
| Mon 8 Sep 1986 | Rochdale | 2 | 2 | Slight |
| Tue 9 Sep 1986 | Rochdale | 1 | 1 | Slight |
| Mon 15 Sep 1986 | Kirklees | 1 | 1 | Serious |
| Mon 15 Sep 1986 | Kirklees | 1 | 1 | Slight |
| Thu 18 Sep 1986 | Rochdale | 3 | 1 | Slight |
| Sun 21 Sep 1986 | Rochdale | 2 | 1 | Slight |
| Tue 23 Sep 1986 | Kirklees | 1 | 1 | Serious |
| Wed 24 Sep 1986 | Rochdale | 1 | 1 | Slight |
| Sun 28 Sep 1986 | Rochdale | 1 | 1 | Slight |
| Sun 28 Sep 1986 | Rochdale | 1 | 1 | Slight |
| Tue 30 Sep 1986 | Rochdale | 1 | 1 | Slight |
| Thu 2 Oct 1986 | Rochdale | 3 | 3 | Slight |
| Sat 4 Oct 1986 | Rochdale | 2 | 1 | Slight |
| Tue 7 Oct 1986 | Rochdale | 2 | 1 | Serious |
| Thu 9 Oct 1986 | Kirklees | 1 | 1 | Serious |
| Mon 13 Oct 1986 | Rochdale | 1 | 1 | Slight |
| Tue 14 Oct 1986 | Kirklees | 2 | 1 | Slight |
| Thu 16 Oct 1986 | Kirklees | 1 | 1 | Serious |
| Sat 18 Oct 1986 | Rochdale | 2 | 1 | Serious |
| Mon 20 Oct 1986 | Rochdale | 2 | 1 | Slight |
| Thu 23 Oct 1986 | Kirklees | 2 | 1 | Serious |
| Mon 27 Oct 1986 | Kirklees | 2 | 1 | Serious |
| Mon 27 Oct 1986 | Rochdale | 2 | 3 | Slight |
| Wed 29 Oct 1986 | Kirklees | 2 | 1 | Slight |
| Fri 31 Oct 1986 | Rochdale | 1 | 1 | Slight |
| Sat 1 Nov 1986 | Rochdale | 1 | 1 | Slight |
| Mon 3 Nov 1986 | Rochdale | 2 | 1 | Serious |
| Sat 8 Nov 1986 | Kirklees | 1 | 1 | Slight |
| Sun 9 Nov 1986 | Kirklees | 3 | 1 | Serious |
| Tue 11 Nov 1986 | Oldham | 2 | 2 | Slight |
| Thu 20 Nov 1986 | Rochdale | 1 | 1 | Slight |
| Sat 22 Nov 1986 | Kirklees | 1 | 1 | Serious |
| Sat 22 Nov 1986 | Rochdale | 2 | 1 | Serious |
| Sun 30 Nov 1986 | Kirklees | 1 | 1 | Slight |
| Wed 3 Dec 1986 | Rochdale | 2 | 1 | Slight |
| Thu 11 Dec 1986 | Kirklees | 2 | 1 | Slight |
| Sat 13 Dec 1986 | Kirklees | 2 | 2 | Slight |
| Wed 17 Dec 1986 | Rochdale | 1 | 1 | Serious |
| Wed 24 Dec 1986 | Rochdale | 2 | 1 | Slight |
| Thu 25 Dec 1986 | Kirklees | 1 | 1 | Slight |