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