Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Mon 1 Jan 1990 | Rochdale | 2 | 1 | Slight |
| Fri 5 Jan 1990 | Rochdale | 2 | 1 | Slight |
| Thu 18 Jan 1990 | Kirklees | 3 | 3 | Slight |
| Fri 19 Jan 1990 | Kirklees | 2 | 1 | Serious |
| Sat 20 Jan 1990 | Rochdale | 2 | 1 | Serious |
| Sun 28 Jan 1990 | Kirklees | 1 | 1 | Slight |
| Mon 29 Jan 1990 | Kirklees | 2 | 1 | Fatal |
| Tue 30 Jan 1990 | Rochdale | 2 | 1 | Slight |
| Wed 31 Jan 1990 | Rochdale | 2 | 1 | Slight |
| Wed 7 Feb 1990 | Kirklees | 2 | 1 | Slight |
| Sat 10 Feb 1990 | Kirklees | 1 | 1 | Slight |
| Mon 12 Feb 1990 | Kirklees | 1 | 1 | Slight |
| Fri 16 Feb 1990 | Rochdale | 1 | 1 | Slight |
| Sun 18 Feb 1990 | Kirklees | 2 | 1 | Slight |
| Sun 25 Feb 1990 | Rochdale | 2 | 2 | Slight |
| Thu 1 Mar 1990 | Kirklees | 1 | 1 | Serious |
| Fri 2 Mar 1990 | Rochdale | 1 | 1 | Slight |
| Fri 2 Mar 1990 | Rochdale | 2 | 1 | Slight |
| Fri 2 Mar 1990 | Kirklees | 1 | 2 | Fatal |
| Sun 4 Mar 1990 | Kirklees | 1 | 1 | Slight |
| Thu 8 Mar 1990 | Rochdale | 2 | 3 | Slight |
| Tue 13 Mar 1990 | Kirklees | 1 | 1 | Serious |
| Tue 13 Mar 1990 | Kirklees | 2 | 1 | Slight |
| Fri 16 Mar 1990 | Kirklees | 3 | 1 | Serious |
| Sat 24 Mar 1990 | Rochdale | 2 | 1 | Slight |
| Sat 24 Mar 1990 | Kirklees | 2 | 1 | Slight |
| Fri 30 Mar 1990 | Kirklees | 2 | 2 | Slight |
| Sat 31 Mar 1990 | Kirklees | 2 | 3 | Slight |
| Tue 10 Apr 1990 | Rochdale | 2 | 1 | Slight |
| Sat 14 Apr 1990 | Kirklees | 2 | 1 | Slight |
| Tue 17 Apr 1990 | Kirklees | 2 | 1 | Slight |
| Wed 25 Apr 1990 | Kirklees | 2 | 1 | Slight |
| Sat 28 Apr 1990 | Kirklees | 2 | 1 | Slight |
| Mon 30 Apr 1990 | Kirklees | 1 | 1 | Slight |
| Mon 30 Apr 1990 | Kirklees | 4 | 1 | Slight |
| Tue 8 May 1990 | Kirklees | 1 | 1 | Slight |
| Tue 15 May 1990 | Kirklees | 2 | 1 | Slight |
| Thu 17 May 1990 | Rochdale | 2 | 1 | Slight |
| Wed 23 May 1990 | Kirklees | 2 | 1 | Slight |
| Wed 23 May 1990 | Kirklees | 2 | 2 | Serious |
| Wed 23 May 1990 | Kirklees | 1 | 1 | Slight |
| Fri 25 May 1990 | Rochdale | 2 | 1 | Slight |
| Sat 2 Jun 1990 | Kirklees | 1 | 1 | Slight |
| Sun 3 Jun 1990 | Kirklees | 2 | 1 | Serious |
| Tue 5 Jun 1990 | Rochdale | 2 | 1 | Slight |
| Mon 18 Jun 1990 | Kirklees | 2 | 1 | Slight |
| Tue 19 Jun 1990 | Kirklees | 2 | 1 | Fatal |
| Sat 23 Jun 1990 | Rochdale | 1 | 1 | Slight |
| Sun 24 Jun 1990 | Kirklees | 2 | 2 | Slight |
| Fri 29 Jun 1990 | Rochdale | 1 | 1 | Slight |
| Sat 30 Jun 1990 | Kirklees | 2 | 1 | Slight |
| Sun 1 Jul 1990 | Kirklees | 1 | 1 | Slight |
| Thu 5 Jul 1990 | Kirklees | 1 | 2 | Slight |
| Fri 13 Jul 1990 | Rochdale | 2 | 1 | Slight |
| Thu 19 Jul 1990 | Kirklees | 1 | 2 | Slight |
| Sat 28 Jul 1990 | Rochdale | 1 | 1 | Slight |
| Sat 28 Jul 1990 | Kirklees | 1 | 1 | Slight |
| Mon 30 Jul 1990 | Rochdale | 2 | 1 | Serious |
| Mon 6 Aug 1990 | Kirklees | 2 | 1 | Slight |
| Wed 8 Aug 1990 | Kirklees | 1 | 1 | Slight |
| Thu 16 Aug 1990 | Rochdale | 2 | 1 | Slight |
| Thu 16 Aug 1990 | Kirklees | 4 | 2 | Slight |
| Sat 18 Aug 1990 | Rochdale | 1 | 1 | Serious |
| Sat 18 Aug 1990 | Kirklees | 2 | 1 | Serious |
| Fri 24 Aug 1990 | Kirklees | 2 | 1 | Slight |
| Sun 26 Aug 1990 | Rochdale | 1 | 1 | Serious |
| Tue 28 Aug 1990 | Rochdale | 2 | 1 | Slight |
| Mon 3 Sep 1990 | Rochdale | 2 | 1 | Slight |
| Wed 5 Sep 1990 | Kirklees | 2 | 1 | Slight |
| Thu 6 Sep 1990 | Kirklees | 2 | 2 | Slight |
| Thu 6 Sep 1990 | Rochdale | 2 | 1 | Slight |
| Mon 17 Sep 1990 | Kirklees | 1 | 2 | Slight |
| Tue 18 Sep 1990 | Rochdale | 2 | 1 | Serious |
| Wed 19 Sep 1990 | Kirklees | 2 | 2 | Serious |
| Thu 20 Sep 1990 | Oldham | 2 | 1 | Slight |
| Fri 21 Sep 1990 | Rochdale | 1 | 1 | Slight |
| Sun 23 Sep 1990 | Oldham | 2 | 2 | Slight |
| Sat 29 Sep 1990 | Kirklees | 2 | 1 | Slight |
| Sun 30 Sep 1990 | Rochdale | 1 | 1 | Slight |
| Wed 3 Oct 1990 | Kirklees | 1 | 1 | Slight |
| Fri 5 Oct 1990 | Rochdale | 2 | 3 | Serious |
| Sat 6 Oct 1990 | Kirklees | 2 | 1 | Slight |
| Sat 6 Oct 1990 | Kirklees | 2 | 1 | Slight |
| Tue 9 Oct 1990 | Kirklees | 2 | 1 | Serious |
| Tue 9 Oct 1990 | Kirklees | 2 | 1 | Slight |
| Thu 11 Oct 1990 | Rochdale | 1 | 1 | Slight |
| Fri 12 Oct 1990 | Rochdale | 2 | 1 | Slight |
| Fri 12 Oct 1990 | Kirklees | 2 | 4 | Slight |
| Fri 19 Oct 1990 | Kirklees | 1 | 1 | Slight |
| Mon 22 Oct 1990 | Kirklees | 1 | 1 | Serious |
| Thu 25 Oct 1990 | Rochdale | 1 | 1 | Serious |
| Mon 29 Oct 1990 | Kirklees | 1 | 1 | Slight |
| Fri 9 Nov 1990 | Kirklees | 3 | 1 | Slight |
| Mon 12 Nov 1990 | Rochdale | 2 | 2 | Slight |
| Thu 15 Nov 1990 | Kirklees | 2 | 1 | Serious |
| Fri 16 Nov 1990 | Kirklees | 1 | 1 | Serious |
| Sat 17 Nov 1990 | Kirklees | 2 | 5 | Serious |
| Sat 17 Nov 1990 | Kirklees | 2 | 2 | Slight |
| Sun 18 Nov 1990 | Kirklees | 2 | 2 | Slight |
| Tue 27 Nov 1990 | Kirklees | 1 | 1 | Serious |
| Wed 28 Nov 1990 | Rochdale | 2 | 1 | Serious |
| Fri 7 Dec 1990 | Kirklees | 2 | 1 | Serious |
| Tue 11 Dec 1990 | Rochdale | 3 | 1 | Slight |
| Thu 13 Dec 1990 | Kirklees | 1 | 1 | Slight |
| Tue 25 Dec 1990 | Rochdale | 1 | 1 | Serious |
| Sat 29 Dec 1990 | Kirklees | 1 | 1 | Slight |