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