Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Sun 3 Jan 1999 | Macclesfield | 2 | 2 | Slight |
| Mon 4 Jan 1999 | Macclesfield | 2 | 1 | Slight |
| Sat 9 Jan 1999 | Vale Royal | 1 | 1 | Slight |
| Sat 9 Jan 1999 | Macclesfield | 2 | 1 | Slight |
| Sat 9 Jan 1999 | Vale Royal | 2 | 4 | Serious |
| Thu 14 Jan 1999 | Vale Royal | 2 | 1 | Slight |
| Fri 15 Jan 1999 | Macclesfield | 2 | 2 | Serious |
| Fri 22 Jan 1999 | Macclesfield | 2 | 1 | Slight |
| Sun 24 Jan 1999 | Vale Royal | 2 | 4 | Slight |
| Sun 24 Jan 1999 | Macclesfield | 1 | 1 | Slight |
| Wed 27 Jan 1999 | Macclesfield | 3 | 2 | Slight |
| Wed 27 Jan 1999 | Macclesfield | 2 | 1 | Slight |
| Wed 3 Feb 1999 | Macclesfield | 2 | 1 | Slight |
| Fri 5 Feb 1999 | Macclesfield | 2 | 1 | Slight |
| Fri 5 Feb 1999 | Macclesfield | 2 | 1 | Slight |
| Sat 6 Feb 1999 | Vale Royal | 2 | 3 | Slight |
| Fri 19 Feb 1999 | Vale Royal | 2 | 1 | Slight |
| Wed 3 Mar 1999 | Macclesfield | 2 | 1 | Slight |
| Sun 7 Mar 1999 | Macclesfield | 2 | 1 | Slight |
| Sun 21 Mar 1999 | Vale Royal | 2 | 1 | Slight |
| Mon 22 Mar 1999 | Macclesfield | 2 | 2 | Slight |
| Thu 25 Mar 1999 | Macclesfield | 3 | 4 | Serious |
| Thu 1 Apr 1999 | Macclesfield | 2 | 2 | Slight |
| Wed 7 Apr 1999 | Vale Royal | 1 | 1 | Slight |
| Sun 11 Apr 1999 | Macclesfield | 3 | 3 | Slight |
| Sat 17 Apr 1999 | Macclesfield | 5 | 1 | Slight |
| Fri 23 Apr 1999 | Macclesfield | 2 | 2 | Slight |
| Sat 1 May 1999 | Vale Royal | 2 | 4 | Serious |
| Tue 4 May 1999 | Macclesfield | 2 | 1 | Slight |
| Fri 7 May 1999 | Macclesfield | 3 | 1 | Slight |
| Fri 14 May 1999 | Vale Royal | 2 | 1 | Slight |
| Tue 18 May 1999 | Vale Royal | 2 | 1 | Slight |
| Thu 20 May 1999 | Vale Royal | 2 | 1 | Slight |
| Thu 27 May 1999 | Vale Royal | 2 | 1 | Slight |
| Sun 30 May 1999 | Vale Royal | 1 | 1 | Slight |
| Mon 31 May 1999 | Macclesfield | 3 | 3 | Slight |
| Mon 7 Jun 1999 | Macclesfield | 3 | 1 | Slight |
| Wed 9 Jun 1999 | Macclesfield | 4 | 1 | Slight |
| Wed 16 Jun 1999 | Macclesfield | 2 | 1 | Slight |
| Mon 21 Jun 1999 | Macclesfield | 3 | 1 | Slight |
| Tue 22 Jun 1999 | Macclesfield | 6 | 1 | Slight |
| Thu 24 Jun 1999 | Macclesfield | 2 | 1 | Slight |
| Sat 26 Jun 1999 | Macclesfield | 3 | 1 | Slight |
| Sat 26 Jun 1999 | Vale Royal | 1 | 1 | Serious |
| Fri 2 Jul 1999 | Macclesfield | 2 | 2 | Slight |
| Sat 3 Jul 1999 | Vale Royal | 1 | 1 | Slight |
| Sun 4 Jul 1999 | Macclesfield | 1 | 2 | Slight |
| Sat 10 Jul 1999 | Vale Royal | 2 | 1 | Slight |
| Fri 16 Jul 1999 | Vale Royal | 2 | 1 | Slight |
| Mon 19 Jul 1999 | Macclesfield | 1 | 1 | Slight |
| Thu 22 Jul 1999 | Macclesfield | 2 | 1 | Slight |
| Mon 26 Jul 1999 | Macclesfield | 2 | 1 | Slight |
| Tue 27 Jul 1999 | Macclesfield | 2 | 1 | Slight |
| Sun 1 Aug 1999 | Vale Royal | 2 | 1 | Slight |
| Mon 2 Aug 1999 | Macclesfield | 2 | 2 | Slight |
| Mon 2 Aug 1999 | Macclesfield | 2 | 2 | Slight |
| Tue 3 Aug 1999 | Macclesfield | 2 | 1 | Slight |
| Tue 3 Aug 1999 | Macclesfield | 2 | 1 | Slight |
| Fri 6 Aug 1999 | Macclesfield | 2 | 1 | Slight |
| Sat 7 Aug 1999 | Macclesfield | 2 | 2 | Slight |
| Sun 8 Aug 1999 | Vale Royal | 1 | 1 | Slight |
| Sun 8 Aug 1999 | Vale Royal | 4 | 4 | Serious |
| Mon 9 Aug 1999 | Vale Royal | 2 | 2 | Slight |
| Tue 10 Aug 1999 | Vale Royal | 2 | 1 | Slight |
| Mon 16 Aug 1999 | Vale Royal | 3 | 1 | Slight |
| Tue 17 Aug 1999 | Macclesfield | 2 | 1 | Slight |
| Tue 17 Aug 1999 | Macclesfield | 2 | 1 | Serious |
| Thu 19 Aug 1999 | Macclesfield | 2 | 1 | Slight |
| Sun 22 Aug 1999 | Macclesfield | 2 | 3 | Fatal |
| Sun 29 Aug 1999 | Macclesfield | 2 | 1 | Serious |
| Sun 29 Aug 1999 | Macclesfield | 2 | 1 | Slight |
| Sat 4 Sep 1999 | Macclesfield | 3 | 1 | Slight |
| Wed 8 Sep 1999 | Vale Royal | 2 | 1 | Slight |
| Fri 10 Sep 1999 | Vale Royal | 2 | 1 | Slight |
| Sat 11 Sep 1999 | Macclesfield | 3 | 1 | Slight |
| Thu 16 Sep 1999 | Macclesfield | 3 | 2 | Slight |
| Mon 20 Sep 1999 | Macclesfield | 2 | 1 | Slight |
| Wed 29 Sep 1999 | Vale Royal | 3 | 1 | Slight |
| Wed 29 Sep 1999 | Vale Royal | 4 | 3 | Slight |
| Sun 3 Oct 1999 | Macclesfield | 2 | 1 | Slight |
| Wed 6 Oct 1999 | Macclesfield | 2 | 1 | Slight |
| Fri 15 Oct 1999 | Vale Royal | 3 | 4 | Slight |
| Tue 19 Oct 1999 | Macclesfield | 2 | 1 | Slight |
| Fri 22 Oct 1999 | Vale Royal | 2 | 1 | Slight |
| Tue 26 Oct 1999 | Macclesfield | 2 | 1 | Slight |
| Thu 28 Oct 1999 | Macclesfield | 4 | 2 | Slight |
| Thu 28 Oct 1999 | Macclesfield | 2 | 1 | Slight |
| Sun 31 Oct 1999 | Macclesfield | 2 | 1 | Serious |
| Mon 1 Nov 1999 | Vale Royal | 2 | 3 | Slight |
| Wed 10 Nov 1999 | Macclesfield | 3 | 2 | Slight |
| Wed 10 Nov 1999 | Macclesfield | 2 | 1 | Serious |
| Sun 21 Nov 1999 | Vale Royal | 1 | 1 | Slight |
| Thu 25 Nov 1999 | Vale Royal | 2 | 1 | Slight |
| Fri 24 Dec 1999 | Macclesfield | 2 | 1 | Slight |