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