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