Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Tue 6 Jan 1987 | Leeds | 1 | 1 | Slight |
| Fri 9 Jan 1987 | Leeds | 2 | 1 | Serious |
| Fri 9 Jan 1987 | Kirklees | 2 | 1 | Serious |
| Sat 10 Jan 1987 | Wakefield | 1 | 1 | Serious |
| Wed 14 Jan 1987 | Kirklees | 1 | 1 | Slight |
| Sat 17 Jan 1987 | Wakefield | 1 | 1 | Serious |
| Sat 17 Jan 1987 | Wakefield | 1 | 1 | Serious |
| Wed 21 Jan 1987 | Leeds | 1 | 1 | Serious |
| Fri 23 Jan 1987 | Leeds | 2 | 1 | Serious |
| Fri 30 Jan 1987 | Wakefield | 1 | 1 | Slight |
| Fri 6 Feb 1987 | Wakefield | 1 | 1 | Serious |
| Fri 6 Feb 1987 | Wakefield | 2 | 3 | Slight |
| Fri 6 Feb 1987 | Wakefield | 1 | 1 | Slight |
| Sun 8 Feb 1987 | Leeds | 3 | 2 | Slight |
| Sun 8 Feb 1987 | Leeds | 2 | 4 | Slight |
| Mon 9 Feb 1987 | Kirklees | 1 | 1 | Slight |
| Wed 11 Feb 1987 | Wakefield | 2 | 1 | Slight |
| Wed 11 Feb 1987 | Wakefield | 1 | 1 | Serious |
| Thu 12 Feb 1987 | Wakefield | 1 | 1 | Fatal |
| Sat 14 Feb 1987 | Wakefield | 2 | 1 | Serious |
| Mon 16 Feb 1987 | Leeds | 1 | 1 | Serious |
| Fri 20 Feb 1987 | Leeds | 2 | 2 | Slight |
| Fri 20 Feb 1987 | Wakefield | 1 | 1 | Slight |
| Mon 23 Feb 1987 | Wakefield | 4 | 1 | Slight |
| Thu 26 Feb 1987 | Kirklees | 1 | 1 | Serious |
| Wed 4 Mar 1987 | Wakefield | 2 | 1 | Slight |
| Wed 4 Mar 1987 | Leeds | 2 | 2 | Slight |
| Fri 6 Mar 1987 | Wakefield | 1 | 1 | Slight |
| Sun 8 Mar 1987 | Wakefield | 1 | 1 | Slight |
| Wed 11 Mar 1987 | Wakefield | 2 | 1 | Serious |
| Wed 18 Mar 1987 | Leeds | 1 | 1 | Slight |
| Wed 25 Mar 1987 | Wakefield | 2 | 1 | Slight |
| Fri 27 Mar 1987 | Kirklees | 2 | 3 | Slight |
| Mon 30 Mar 1987 | Wakefield | 1 | 1 | Serious |
| Mon 30 Mar 1987 | Wakefield | 2 | 1 | Serious |
| Mon 6 Apr 1987 | Kirklees | 2 | 3 | Serious |
| Tue 7 Apr 1987 | Leeds | 2 | 1 | Slight |
| Fri 10 Apr 1987 | Wakefield | 1 | 1 | Slight |
| Fri 10 Apr 1987 | Leeds | 3 | 1 | Serious |
| Sun 12 Apr 1987 | Wakefield | 1 | 1 | Slight |
| Tue 14 Apr 1987 | Leeds | 2 | 1 | Serious |
| Tue 14 Apr 1987 | Wakefield | 2 | 1 | Serious |
| Tue 14 Apr 1987 | Wakefield | 2 | 1 | Slight |
| Mon 20 Apr 1987 | Wakefield | 3 | 1 | Slight |
| Fri 24 Apr 1987 | Leeds | 2 | 1 | Slight |
| Sat 25 Apr 1987 | Kirklees | 1 | 1 | Serious |
| Sun 26 Apr 1987 | Leeds | 2 | 1 | Slight |
| Tue 28 Apr 1987 | Wakefield | 1 | 1 | Serious |
| Thu 30 Apr 1987 | Leeds | 2 | 1 | Slight |
| Sat 2 May 1987 | Wakefield | 1 | 1 | Slight |
| Mon 4 May 1987 | Leeds | 2 | 1 | Slight |
| Fri 8 May 1987 | Wakefield | 2 | 1 | Serious |
| Sat 9 May 1987 | Leeds | 1 | 1 | Slight |
| Sun 10 May 1987 | Wakefield | 2 | 1 | Slight |
| Sun 10 May 1987 | Wakefield | 1 | 1 | Slight |
| Fri 15 May 1987 | Wakefield | 2 | 1 | Serious |
| Sun 17 May 1987 | Wakefield | 2 | 1 | Serious |
| Mon 18 May 1987 | Leeds | 2 | 2 | Serious |
| Wed 20 May 1987 | Wakefield | 1 | 1 | Serious |
| Sat 23 May 1987 | Leeds | 1 | 2 | Serious |
| Fri 29 May 1987 | Wakefield | 1 | 1 | Slight |
| Mon 1 Jun 1987 | Leeds | 2 | 1 | Serious |
| Tue 2 Jun 1987 | Wakefield | 2 | 2 | Serious |
| Thu 4 Jun 1987 | Wakefield | 2 | 1 | Serious |
| Mon 8 Jun 1987 | Kirklees | 2 | 2 | Slight |
| Wed 10 Jun 1987 | Leeds | 1 | 2 | Slight |
| Mon 15 Jun 1987 | Kirklees | 2 | 3 | Serious |
| Tue 16 Jun 1987 | Kirklees | 1 | 1 | Serious |
| Fri 26 Jun 1987 | Wakefield | 1 | 1 | Slight |
| Mon 29 Jun 1987 | Wakefield | 2 | 1 | Slight |
| Tue 30 Jun 1987 | Wakefield | 2 | 1 | Slight |
| Sat 4 Jul 1987 | Kirklees | 2 | 2 | Slight |
| Sat 11 Jul 1987 | Wakefield | 1 | 1 | Slight |
| Sat 11 Jul 1987 | Wakefield | 1 | 4 | Serious |
| Thu 16 Jul 1987 | Leeds | 4 | 1 | Slight |
| Sat 18 Jul 1987 | Wakefield | 1 | 2 | Serious |
| Wed 22 Jul 1987 | Wakefield | 1 | 1 | Slight |
| Sat 25 Jul 1987 | Leeds | 1 | 1 | Serious |
| Fri 31 Jul 1987 | Leeds | 1 | 1 | Serious |
| Sat 8 Aug 1987 | Leeds | 2 | 2 | Slight |
| Thu 13 Aug 1987 | Leeds | 2 | 1 | Slight |
| Thu 20 Aug 1987 | Wakefield | 1 | 1 | Serious |
| Sat 22 Aug 1987 | Wakefield | 1 | 1 | Slight |
| Sun 23 Aug 1987 | Wakefield | 1 | 1 | Slight |
| Sun 23 Aug 1987 | Leeds | 1 | 2 | Slight |
| Sun 30 Aug 1987 | Leeds | 2 | 1 | Slight |
| Sat 5 Sep 1987 | Kirklees | 2 | 1 | Serious |
| Sun 6 Sep 1987 | Wakefield | 2 | 5 | Slight |
| Tue 8 Sep 1987 | Kirklees | 1 | 1 | Slight |
| Sun 13 Sep 1987 | Wakefield | 1 | 1 | Serious |
| Mon 14 Sep 1987 | Wakefield | 2 | 1 | Serious |
| Tue 15 Sep 1987 | Wakefield | 1 | 2 | Serious |
| Tue 15 Sep 1987 | Wakefield | 2 | 1 | Slight |
| Wed 16 Sep 1987 | Wakefield | 1 | 1 | Slight |
| Wed 16 Sep 1987 | Kirklees | 2 | 1 | Serious |
| Fri 18 Sep 1987 | Leeds | 2 | 1 | Slight |
| Mon 21 Sep 1987 | Wakefield | 3 | 2 | Serious |
| Sun 27 Sep 1987 | Wakefield | 3 | 2 | Serious |
| Mon 28 Sep 1987 | Wakefield | 2 | 3 | Slight |
| Sat 3 Oct 1987 | Kirklees | 2 | 1 | Slight |
| Mon 5 Oct 1987 | Wakefield | 2 | 1 | Serious |
| Wed 7 Oct 1987 | Wakefield | 2 | 1 | Slight |
| Thu 8 Oct 1987 | Leeds | 2 | 1 | Slight |
| Sun 11 Oct 1987 | Kirklees | 2 | 2 | Slight |
| Fri 16 Oct 1987 | Wakefield | 2 | 1 | Slight |
| Fri 16 Oct 1987 | Wakefield | 2 | 1 | Slight |
| Fri 16 Oct 1987 | Wakefield | 1 | 1 | Slight |
| Mon 19 Oct 1987 | Wakefield | 1 | 2 | Serious |
| Tue 20 Oct 1987 | Leeds | 2 | 2 | Slight |
| Tue 20 Oct 1987 | Leeds | 2 | 1 | Serious |
| Thu 22 Oct 1987 | Kirklees | 1 | 1 | Slight |
| Sun 25 Oct 1987 | Wakefield | 2 | 1 | Slight |
| Mon 26 Oct 1987 | Leeds | 1 | 1 | Slight |
| Tue 27 Oct 1987 | Wakefield | 2 | 1 | Slight |
| Thu 29 Oct 1987 | Wakefield | 2 | 5 | Slight |
| Mon 2 Nov 1987 | Leeds | 1 | 1 | Slight |
| Wed 4 Nov 1987 | Wakefield | 2 | 1 | Slight |
| Thu 5 Nov 1987 | Wakefield | 2 | 2 | Slight |
| Fri 6 Nov 1987 | Wakefield | 1 | 1 | Slight |
| Sat 7 Nov 1987 | Wakefield | 2 | 1 | Slight |
| Mon 9 Nov 1987 | Leeds | 2 | 1 | Serious |
| Mon 9 Nov 1987 | Wakefield | 1 | 1 | Slight |
| Tue 10 Nov 1987 | Wakefield | 1 | 1 | Slight |
| Mon 16 Nov 1987 | Wakefield | 1 | 1 | Serious |
| Mon 16 Nov 1987 | Wakefield | 3 | 1 | Fatal |
| Sat 21 Nov 1987 | Wakefield | 1 | 1 | Slight |
| Thu 26 Nov 1987 | Wakefield | 5 | 1 | Slight |
| Fri 27 Nov 1987 | Kirklees | 2 | 1 | Slight |
| Sat 28 Nov 1987 | Leeds | 2 | 2 | Slight |
| Fri 4 Dec 1987 | Wakefield | 2 | 3 | Serious |
| Sun 6 Dec 1987 | Leeds | 2 | 1 | Slight |
| Mon 7 Dec 1987 | Wakefield | 1 | 1 | Slight |
| Sat 12 Dec 1987 | Wakefield | 2 | 1 | Slight |
| Sun 13 Dec 1987 | Wakefield | 2 | 1 | Slight |
| Sun 13 Dec 1987 | Wakefield | 1 | 1 | Serious |
| Mon 14 Dec 1987 | Wakefield | 2 | 2 | Slight |
| Sun 27 Dec 1987 | Leeds | 3 | 5 | Slight |
| Wed 30 Dec 1987 | Leeds | 1 | 1 | Slight |