Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Sat 2 Jan 1988 | Leeds | 1 | 1 | Slight |
| Fri 8 Jan 1988 | Leeds | 2 | 2 | Slight |
| Fri 8 Jan 1988 | Kirklees | 1 | 1 | Slight |
| Mon 11 Jan 1988 | Leeds | 2 | 1 | Slight |
| Tue 12 Jan 1988 | Leeds | 2 | 1 | Slight |
| Tue 12 Jan 1988 | Leeds | 2 | 1 | Slight |
| Mon 18 Jan 1988 | Kirklees | 2 | 1 | Slight |
| Thu 21 Jan 1988 | Leeds | 1 | 2 | Slight |
| Tue 26 Jan 1988 | Calderdale | 2 | 1 | Slight |
| Sun 31 Jan 1988 | Kirklees | 1 | 2 | Serious |
| Mon 1 Feb 1988 | Kirklees | 2 | 1 | Slight |
| Mon 1 Feb 1988 | Leeds | 2 | 2 | Slight |
| Tue 2 Feb 1988 | Leeds | 2 | 2 | Serious |
| Tue 2 Feb 1988 | Leeds | 2 | 2 | Serious |
| Sat 6 Feb 1988 | Calderdale | 3 | 1 | Slight |
| Tue 9 Feb 1988 | Leeds | 1 | 1 | Serious |
| Fri 12 Feb 1988 | Leeds | 1 | 1 | Slight |
| Sat 13 Feb 1988 | Kirklees | 2 | 3 | Slight |
| Sat 20 Feb 1988 | Calderdale | 2 | 1 | Slight |
| Mon 22 Feb 1988 | Kirklees | 2 | 1 | Serious |
| Wed 24 Feb 1988 | Calderdale | 2 | 1 | Serious |
| Sun 28 Feb 1988 | Leeds | 2 | 1 | Slight |
| Tue 1 Mar 1988 | Leeds | 1 | 1 | Slight |
| Mon 7 Mar 1988 | Calderdale | 2 | 1 | Slight |
| Tue 8 Mar 1988 | Leeds | 1 | 1 | Slight |
| Thu 10 Mar 1988 | Calderdale | 1 | 1 | Serious |
| Fri 11 Mar 1988 | Kirklees | 2 | 1 | Slight |
| Fri 11 Mar 1988 | Kirklees | 1 | 2 | Slight |
| Fri 11 Mar 1988 | Kirklees | 1 | 2 | Slight |
| Sun 13 Mar 1988 | Leeds | 2 | 1 | Slight |
| Mon 14 Mar 1988 | Kirklees | 2 | 1 | Slight |
| Mon 14 Mar 1988 | Kirklees | 2 | 1 | Slight |
| Mon 14 Mar 1988 | Kirklees | 2 | 1 | Slight |
| Tue 15 Mar 1988 | Kirklees | 2 | 1 | Slight |
| Fri 18 Mar 1988 | Calderdale | 1 | 1 | Serious |
| Mon 21 Mar 1988 | Kirklees | 2 | 1 | Slight |
| Thu 24 Mar 1988 | Leeds | 3 | 3 | Serious |
| Thu 31 Mar 1988 | Kirklees | 2 | 2 | Slight |
| Fri 1 Apr 1988 | Leeds | 2 | 1 | Slight |
| Fri 1 Apr 1988 | Kirklees | 2 | 2 | Slight |
| Mon 4 Apr 1988 | Leeds | 2 | 2 | Slight |
| Mon 11 Apr 1988 | Calderdale | 1 | 1 | Slight |
| Mon 11 Apr 1988 | Kirklees | 1 | 1 | Slight |
| Thu 14 Apr 1988 | Leeds | 2 | 1 | Slight |
| Mon 18 Apr 1988 | Kirklees | 2 | 1 | Slight |
| Thu 21 Apr 1988 | Kirklees | 2 | 1 | Serious |
| Wed 4 May 1988 | Kirklees | 2 | 1 | Serious |
| Thu 5 May 1988 | Leeds | 2 | 1 | Slight |
| Mon 9 May 1988 | Calderdale | 1 | 1 | Slight |
| Tue 10 May 1988 | Calderdale | 2 | 1 | Slight |
| Wed 11 May 1988 | Leeds | 1 | 1 | Slight |
| Thu 12 May 1988 | Kirklees | 2 | 1 | Slight |
| Fri 13 May 1988 | Kirklees | 2 | 1 | Slight |
| Wed 18 May 1988 | Kirklees | 2 | 2 | Slight |
| Sun 22 May 1988 | Kirklees | 1 | 1 | Slight |
| Fri 27 May 1988 | Calderdale | 2 | 1 | Slight |
| Mon 30 May 1988 | Calderdale | 1 | 1 | Serious |
| Thu 2 Jun 1988 | Leeds | 1 | 1 | Serious |
| Sun 5 Jun 1988 | Kirklees | 1 | 1 | Fatal |
| Thu 16 Jun 1988 | Kirklees | 2 | 1 | Slight |
| Wed 22 Jun 1988 | Leeds | 1 | 1 | Slight |
| Thu 23 Jun 1988 | Kirklees | 2 | 1 | Serious |
| Wed 29 Jun 1988 | Kirklees | 2 | 1 | Slight |
| Sat 2 Jul 1988 | Calderdale | 1 | 1 | Slight |
| Mon 4 Jul 1988 | Leeds | 3 | 1 | Slight |
| Fri 8 Jul 1988 | Kirklees | 2 | 1 | Slight |
| Thu 14 Jul 1988 | Kirklees | 1 | 1 | Slight |
| Sun 17 Jul 1988 | Calderdale | 2 | 1 | Slight |
| Fri 22 Jul 1988 | Leeds | 2 | 1 | Slight |
| Sat 23 Jul 1988 | Calderdale | 2 | 2 | Slight |
| Sat 23 Jul 1988 | Calderdale | 2 | 2 | Slight |
| Sun 24 Jul 1988 | Kirklees | 2 | 2 | Serious |
| Thu 28 Jul 1988 | Kirklees | 2 | 1 | Slight |
| Mon 1 Aug 1988 | Kirklees | 2 | 1 | Serious |
| Fri 5 Aug 1988 | Leeds | 2 | 3 | Serious |
| Wed 10 Aug 1988 | Leeds | 2 | 1 | Serious |
| Thu 18 Aug 1988 | Leeds | 1 | 2 | Slight |
| Mon 22 Aug 1988 | Kirklees | 2 | 1 | Slight |
| Thu 25 Aug 1988 | Leeds | 2 | 1 | Slight |
| Sun 4 Sep 1988 | Leeds | 2 | 1 | Slight |
| Mon 5 Sep 1988 | Calderdale | 1 | 1 | Serious |
| Wed 7 Sep 1988 | Leeds | 2 | 1 | Slight |
| Thu 8 Sep 1988 | Kirklees | 1 | 1 | Slight |
| Fri 9 Sep 1988 | Leeds | 2 | 1 | Slight |
| Sat 17 Sep 1988 | Kirklees | 3 | 1 | Slight |
| Mon 19 Sep 1988 | Kirklees | 2 | 1 | Slight |
| Fri 23 Sep 1988 | Leeds | 2 | 1 | Slight |
| Mon 26 Sep 1988 | Calderdale | 2 | 1 | Slight |
| Tue 4 Oct 1988 | Leeds | 2 | 1 | Slight |
| Wed 5 Oct 1988 | Leeds | 1 | 1 | Serious |
| Sat 8 Oct 1988 | Kirklees | 2 | 1 | Slight |
| Fri 14 Oct 1988 | Kirklees | 2 | 4 | Slight |
| Tue 18 Oct 1988 | Kirklees | 1 | 1 | Slight |
| Tue 18 Oct 1988 | Kirklees | 1 | 1 | Slight |
| Wed 19 Oct 1988 | Calderdale | 3 | 1 | Serious |
| Wed 19 Oct 1988 | Kirklees | 1 | 2 | Slight |
| Mon 24 Oct 1988 | Calderdale | 2 | 1 | Slight |
| Tue 1 Nov 1988 | Kirklees | 2 | 1 | Serious |
| Sat 5 Nov 1988 | Leeds | 1 | 1 | Slight |
| Wed 9 Nov 1988 | Leeds | 2 | 1 | Slight |
| Wed 9 Nov 1988 | Kirklees | 2 | 1 | Slight |
| Wed 16 Nov 1988 | Leeds | 1 | 1 | Slight |
| Thu 17 Nov 1988 | Leeds | 2 | 2 | Slight |
| Sat 26 Nov 1988 | Kirklees | 2 | 1 | Slight |
| Sat 26 Nov 1988 | Leeds | 2 | 1 | Slight |
| Wed 30 Nov 1988 | Kirklees | 3 | 1 | Serious |
| Wed 7 Dec 1988 | Kirklees | 1 | 1 | Slight |
| Sat 10 Dec 1988 | Leeds | 1 | 1 | Serious |
| Fri 16 Dec 1988 | Calderdale | 1 | 1 | Slight |
| Tue 20 Dec 1988 | Calderdale | 1 | 1 | Slight |
| Wed 21 Dec 1988 | Kirklees | 2 | 2 | Slight |
| Wed 21 Dec 1988 | Kirklees | 2 | 2 | Slight |
| Wed 21 Dec 1988 | Leeds | 2 | 1 | Slight |
| Thu 22 Dec 1988 | Leeds | 4 | 2 | Slight |