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