Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Sat 2 Jan 1999 | Wigan | 2 | 1 | Serious |
| Sat 2 Jan 1999 | Wigan | 1 | 2 | Slight |
| Sun 3 Jan 1999 | Wigan | 2 | 1 | Slight |
| Tue 5 Jan 1999 | Wigan | 4 | 1 | Slight |
| Sat 9 Jan 1999 | Wigan | 2 | 1 | Slight |
| Sun 10 Jan 1999 | Wigan | 2 | 1 | Serious |
| Sun 10 Jan 1999 | Wigan | 2 | 1 | Slight |
| Sat 16 Jan 1999 | West Lancashire | 1 | 1 | Serious |
| Sat 16 Jan 1999 | Wigan | 2 | 1 | Slight |
| Sun 17 Jan 1999 | Wigan | 1 | 1 | Slight |
| Mon 18 Jan 1999 | Wigan | 2 | 2 | Slight |
| Mon 18 Jan 1999 | Wigan | 2 | 1 | Slight |
| Thu 21 Jan 1999 | Wigan | 2 | 2 | Slight |
| Thu 21 Jan 1999 | Wigan | 1 | 1 | Slight |
| Thu 28 Jan 1999 | Wigan | 1 | 1 | Slight |
| Wed 3 Feb 1999 | Wigan | 2 | 2 | Slight |
| Sat 6 Feb 1999 | Wigan | 2 | 1 | Slight |
| Sat 6 Feb 1999 | Wigan | 1 | 1 | Slight |
| Sat 6 Feb 1999 | Wigan | 1 | 1 | Slight |
| Sun 7 Feb 1999 | Wigan | 1 | 1 | Slight |
| Mon 8 Feb 1999 | Salford | 2 | 1 | Slight |
| Mon 8 Feb 1999 | Wigan | 2 | 1 | Slight |
| Thu 11 Feb 1999 | Wigan | 2 | 2 | Slight |
| Sat 13 Feb 1999 | West Lancashire | 3 | 2 | Slight |
| Sat 13 Feb 1999 | Wigan | 3 | 2 | Slight |
| Sun 14 Feb 1999 | Wigan | 2 | 4 | Slight |
| Mon 15 Feb 1999 | Wigan | 1 | 1 | Slight |
| Mon 15 Feb 1999 | Wigan | 2 | 1 | Slight |
| Tue 16 Feb 1999 | Wigan | 2 | 1 | Slight |
| Wed 17 Feb 1999 | Wigan | 1 | 1 | Slight |
| Thu 18 Feb 1999 | Wigan | 1 | 1 | Fatal |
| Tue 23 Feb 1999 | Salford | 2 | 1 | Slight |
| Tue 23 Feb 1999 | Wigan | 2 | 2 | Slight |
| Sat 27 Feb 1999 | Wigan | 1 | 1 | Slight |
| Mon 1 Mar 1999 | Wigan | 1 | 1 | Slight |
| Mon 1 Mar 1999 | Wigan | 2 | 1 | Slight |
| Mon 1 Mar 1999 | Wigan | 2 | 1 | Slight |
| Mon 1 Mar 1999 | West Lancashire | 2 | 1 | Slight |
| Wed 3 Mar 1999 | Wigan | 1 | 1 | Slight |
| Thu 4 Mar 1999 | Wigan | 2 | 1 | Slight |
| Sat 6 Mar 1999 | Salford | 1 | 1 | Serious |
| Mon 8 Mar 1999 | Wigan | 2 | 1 | Serious |
| Mon 8 Mar 1999 | Wigan | 2 | 1 | Slight |
| Tue 9 Mar 1999 | Wigan | 1 | 1 | Slight |
| Sat 13 Mar 1999 | Wigan | 1 | 1 | Slight |
| Sun 14 Mar 1999 | Wigan | 2 | 1 | Slight |
| Mon 15 Mar 1999 | Wigan | 2 | 1 | Slight |
| Tue 16 Mar 1999 | Wigan | 1 | 1 | Slight |
| Thu 18 Mar 1999 | West Lancashire | 2 | 1 | Slight |
| Thu 18 Mar 1999 | West Lancashire | 3 | 1 | Slight |
| Sun 21 Mar 1999 | Wigan | 1 | 1 | Slight |
| Mon 22 Mar 1999 | West Lancashire | 1 | 5 | Slight |
| Wed 24 Mar 1999 | Wigan | 2 | 1 | Slight |
| Thu 25 Mar 1999 | Wigan | 2 | 2 | Slight |
| Thu 25 Mar 1999 | West Lancashire | 1 | 1 | Slight |
| Tue 6 Apr 1999 | Wigan | 2 | 2 | Slight |
| Sat 10 Apr 1999 | Wigan | 1 | 1 | Slight |
| Mon 12 Apr 1999 | Wigan | 1 | 1 | Serious |
| Wed 14 Apr 1999 | Wigan | 2 | 5 | Slight |
| Wed 14 Apr 1999 | Wigan | 3 | 1 | Slight |
| Fri 16 Apr 1999 | West Lancashire | 1 | 1 | Serious |
| Sat 17 Apr 1999 | West Lancashire | 2 | 1 | Slight |
| Sat 17 Apr 1999 | Wigan | 3 | 1 | Slight |
| Sun 18 Apr 1999 | Wigan | 2 | 2 | Slight |
| Sun 18 Apr 1999 | Wigan | 2 | 2 | Slight |
| Sat 24 Apr 1999 | Wigan | 2 | 1 | Slight |
| Sun 25 Apr 1999 | West Lancashire | 1 | 1 | Slight |
| Mon 26 Apr 1999 | West Lancashire | 1 | 1 | Serious |
| Thu 29 Apr 1999 | West Lancashire | 2 | 1 | Slight |
| Tue 4 May 1999 | Wigan | 1 | 1 | Slight |
| Thu 6 May 1999 | Wigan | 1 | 1 | Slight |
| Fri 7 May 1999 | Wigan | 1 | 1 | Slight |
| Wed 12 May 1999 | Wigan | 2 | 1 | Slight |
| Thu 13 May 1999 | Wigan | 2 | 1 | Slight |
| Thu 13 May 1999 | Wigan | 2 | 1 | Slight |
| Sun 16 May 1999 | Wigan | 2 | 1 | Slight |
| Tue 18 May 1999 | West Lancashire | 2 | 1 | Slight |
| Wed 19 May 1999 | Wigan | 1 | 1 | Slight |
| Thu 20 May 1999 | West Lancashire | 2 | 1 | Slight |
| Sun 23 May 1999 | Wigan | 2 | 1 | Serious |
| Thu 27 May 1999 | West Lancashire | 2 | 1 | Slight |
| Fri 28 May 1999 | Wigan | 1 | 1 | Slight |
| Fri 4 Jun 1999 | Wigan | 1 | 1 | Slight |
| Mon 7 Jun 1999 | Wigan | 1 | 1 | Serious |
| Thu 10 Jun 1999 | Wigan | 2 | 4 | Slight |
| Sat 12 Jun 1999 | Wigan | 2 | 1 | Slight |
| Sun 13 Jun 1999 | Wigan | 2 | 1 | Slight |
| Thu 17 Jun 1999 | Wigan | 2 | 1 | Slight |
| Sat 19 Jun 1999 | Wigan | 1 | 1 | Serious |
| Sat 26 Jun 1999 | Wigan | 2 | 2 | Slight |
| Sat 3 Jul 1999 | Wigan | 2 | 5 | Fatal |
| Sat 3 Jul 1999 | Wigan | 1 | 1 | Slight |
| Sun 4 Jul 1999 | Wigan | 2 | 1 | Slight |
| Thu 8 Jul 1999 | Wigan | 2 | 1 | Slight |
| Sun 11 Jul 1999 | West Lancashire | 1 | 1 | Serious |
| Mon 12 Jul 1999 | Wigan | 2 | 2 | Slight |
| Thu 15 Jul 1999 | Wigan | 2 | 1 | Slight |
| Fri 16 Jul 1999 | Wigan | 1 | 1 | Slight |
| Wed 21 Jul 1999 | West Lancashire | 1 | 1 | Slight |
| Wed 21 Jul 1999 | Wigan | 1 | 1 | Slight |
| Sun 25 Jul 1999 | Wigan | 1 | 1 | Slight |
| Sun 25 Jul 1999 | Halton | 2 | 1 | Slight |
| Mon 26 Jul 1999 | Wigan | 2 | 1 | Serious |
| Tue 27 Jul 1999 | Wigan | 1 | 1 | Slight |
| Wed 28 Jul 1999 | Wigan | 3 | 1 | Slight |
| Thu 29 Jul 1999 | Wigan | 1 | 1 | Slight |
| Thu 5 Aug 1999 | Wigan | 1 | 1 | Slight |
| Fri 6 Aug 1999 | Wigan | 2 | 1 | Slight |
| Fri 6 Aug 1999 | Wigan | 2 | 3 | Slight |
| Sat 7 Aug 1999 | West Lancashire | 2 | 2 | Slight |
| Tue 10 Aug 1999 | Wigan | 2 | 3 | Slight |
| Sun 15 Aug 1999 | Wigan | 3 | 4 | Slight |
| Mon 16 Aug 1999 | Wigan | 2 | 1 | Slight |
| Mon 16 Aug 1999 | Wigan | 2 | 1 | Slight |
| Thu 19 Aug 1999 | Wigan | 1 | 1 | Serious |
| Fri 20 Aug 1999 | West Lancashire | 2 | 1 | Slight |
| Fri 20 Aug 1999 | West Lancashire | 2 | 1 | Slight |
| Fri 20 Aug 1999 | Wigan | 2 | 1 | Slight |
| Sat 21 Aug 1999 | Wigan | 3 | 1 | Slight |
| Tue 24 Aug 1999 | Wigan | 1 | 1 | Slight |
| Wed 25 Aug 1999 | Wigan | 2 | 4 | Slight |
| Mon 30 Aug 1999 | West Lancashire | 2 | 1 | Slight |
| Sat 4 Sep 1999 | West Lancashire | 2 | 2 | Serious |
| Sun 5 Sep 1999 | Wigan | 1 | 1 | Slight |
| Tue 7 Sep 1999 | Wigan | 2 | 1 | Slight |
| Tue 7 Sep 1999 | Wigan | 2 | 1 | Slight |
| Thu 9 Sep 1999 | Wigan | 2 | 1 | Slight |
| Fri 10 Sep 1999 | Wigan | 2 | 1 | Slight |
| Fri 10 Sep 1999 | Wigan | 1 | 1 | Slight |
| Fri 10 Sep 1999 | Wigan | 2 | 1 | Slight |
| Sat 11 Sep 1999 | Wigan | 1 | 1 | Slight |
| Sat 11 Sep 1999 | Salford | 2 | 4 | Slight |
| Sat 18 Sep 1999 | Wigan | 4 | 2 | Slight |
| Sat 18 Sep 1999 | Wigan | 2 | 1 | Slight |
| Mon 20 Sep 1999 | Wigan | 2 | 1 | Slight |
| Mon 20 Sep 1999 | Wigan | 2 | 2 | Slight |
| Mon 20 Sep 1999 | Wigan | 2 | 1 | Slight |
| Wed 22 Sep 1999 | Wigan | 1 | 1 | Slight |
| Thu 23 Sep 1999 | Wigan | 3 | 1 | Slight |
| Mon 27 Sep 1999 | Wigan | 1 | 1 | Slight |
| Mon 27 Sep 1999 | Wigan | 1 | 1 | Slight |
| Tue 28 Sep 1999 | Wigan | 2 | 1 | Slight |
| Thu 30 Sep 1999 | Wigan | 1 | 1 | Slight |
| Fri 1 Oct 1999 | Wigan | 1 | 1 | Serious |
| Fri 1 Oct 1999 | Wigan | 2 | 2 | Serious |
| Sat 2 Oct 1999 | Wigan | 1 | 1 | Slight |
| Sat 2 Oct 1999 | Wigan | 3 | 3 | Slight |
| Sat 2 Oct 1999 | Wigan | 2 | 2 | Slight |
| Mon 4 Oct 1999 | West Lancashire | 3 | 1 | Slight |
| Mon 4 Oct 1999 | Wigan | 1 | 1 | Slight |
| Mon 4 Oct 1999 | Wigan | 1 | 1 | Slight |
| Wed 6 Oct 1999 | West Lancashire | 1 | 1 | Serious |
| Fri 8 Oct 1999 | Wigan | 2 | 2 | Slight |
| Sat 9 Oct 1999 | West Lancashire | 2 | 1 | Slight |
| Sat 9 Oct 1999 | West Lancashire | 2 | 1 | Slight |
| Mon 11 Oct 1999 | Wigan | 3 | 2 | Slight |
| Tue 12 Oct 1999 | Wigan | 1 | 1 | Slight |
| Tue 12 Oct 1999 | Wigan | 1 | 1 | Slight |
| Tue 12 Oct 1999 | Wigan | 2 | 2 | Slight |
| Fri 15 Oct 1999 | Wigan | 2 | 1 | Slight |
| Thu 21 Oct 1999 | Wigan | 1 | 1 | Slight |
| Fri 22 Oct 1999 | Wigan | 1 | 1 | Slight |
| Wed 27 Oct 1999 | Wigan | 3 | 3 | Slight |
| Fri 29 Oct 1999 | Wigan | 2 | 1 | Slight |
| Thu 4 Nov 1999 | Wigan | 2 | 1 | Slight |
| Thu 4 Nov 1999 | West Lancashire | 1 | 1 | Serious |
| Fri 5 Nov 1999 | West Lancashire | 2 | 2 | Slight |
| Fri 5 Nov 1999 | Wigan | 2 | 5 | Slight |
| Tue 9 Nov 1999 | Wigan | 2 | 3 | Slight |
| Thu 11 Nov 1999 | Wigan | 1 | 1 | Slight |
| Fri 12 Nov 1999 | West Lancashire | 2 | 1 | Slight |
| Mon 15 Nov 1999 | Wigan | 2 | 2 | Slight |
| Thu 18 Nov 1999 | West Lancashire | 2 | 2 | Slight |
| Sat 20 Nov 1999 | Wigan | 1 | 1 | Slight |
| Sun 21 Nov 1999 | Wigan | 3 | 2 | Slight |
| Mon 22 Nov 1999 | Wigan | 2 | 1 | Slight |
| Wed 24 Nov 1999 | Wigan | 3 | 3 | Slight |
| Wed 24 Nov 1999 | Wigan | 2 | 1 | Slight |
| Fri 26 Nov 1999 | Wigan | 2 | 1 | Slight |
| Fri 26 Nov 1999 | Wigan | 1 | 1 | Slight |
| Sat 27 Nov 1999 | Wigan | 3 | 1 | Slight |
| Tue 30 Nov 1999 | West Lancashire | 2 | 1 | Slight |
| Wed 1 Dec 1999 | Salford | 2 | 1 | Slight |
| Wed 1 Dec 1999 | Wigan | 2 | 1 | Slight |
| Thu 2 Dec 1999 | Wigan | 2 | 1 | Slight |
| Sat 4 Dec 1999 | Wigan | 2 | 2 | Slight |
| Wed 8 Dec 1999 | Wigan | 1 | 1 | Slight |
| Thu 16 Dec 1999 | Wigan | 1 | 1 | Slight |
| Fri 17 Dec 1999 | Wigan | 2 | 1 | Slight |
| Fri 17 Dec 1999 | Wigan | 2 | 1 | Slight |
| Fri 17 Dec 1999 | Wigan | 2 | 1 | Slight |
| Sun 19 Dec 1999 | Wigan | 2 | 1 | Slight |
| Tue 21 Dec 1999 | Wigan | 2 | 1 | Slight |
| Fri 24 Dec 1999 | Wigan | 2 | 2 | Slight |
| Tue 28 Dec 1999 | Wigan | 1 | 1 | Slight |
| Tue 28 Dec 1999 | Wigan | 3 | 5 | Slight |