Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Sat 2 Jan 1999 | St. Helens | 1 | 2 | Slight |
| Mon 4 Jan 1999 | St. Helens | 2 | 1 | Slight |
| Thu 14 Jan 1999 | St. Helens | 2 | 1 | Slight |
| Fri 22 Jan 1999 | St. Helens | 2 | 2 | Slight |
| Fri 29 Jan 1999 | St. Helens | 2 | 1 | Slight |
| Fri 5 Feb 1999 | St. Helens | 4 | 2 | Slight |
| Sat 6 Feb 1999 | Wigan | 2 | 4 | Serious |
| Sun 7 Feb 1999 | Wigan | 2 | 1 | Slight |
| Wed 10 Feb 1999 | St. Helens | 1 | 1 | Serious |
| Wed 10 Feb 1999 | St. Helens | 2 | 1 | Slight |
| Wed 24 Feb 1999 | St. Helens | 2 | 1 | Slight |
| Sat 27 Feb 1999 | St. Helens | 1 | 2 | Serious |
| Tue 2 Mar 1999 | St. Helens | 3 | 2 | Slight |
| Tue 2 Mar 1999 | St. Helens | 2 | 2 | Slight |
| Thu 11 Mar 1999 | St. Helens | 2 | 2 | Slight |
| Tue 16 Mar 1999 | St. Helens | 2 | 1 | Slight |
| Thu 18 Mar 1999 | Wigan | 1 | 1 | Slight |
| Fri 19 Mar 1999 | Wigan | 2 | 1 | Slight |
| Mon 22 Mar 1999 | St. Helens | 2 | 1 | Slight |
| Thu 25 Mar 1999 | St. Helens | 2 | 1 | Slight |
| Fri 2 Apr 1999 | Wigan | 2 | 1 | Slight |
| Sat 3 Apr 1999 | St. Helens | 2 | 3 | Slight |
| Fri 16 Apr 1999 | Wigan | 2 | 1 | Slight |
| Tue 20 Apr 1999 | St. Helens | 2 | 2 | Slight |
| Thu 22 Apr 1999 | Wigan | 2 | 1 | Slight |
| Fri 23 Apr 1999 | Wigan | 3 | 2 | Slight |
| Mon 3 May 1999 | St. Helens | 2 | 2 | Slight |
| Mon 10 May 1999 | Wigan | 2 | 4 | Serious |
| Tue 11 May 1999 | Wigan | 2 | 1 | Slight |
| Tue 11 May 1999 | Wigan | 2 | 2 | Slight |
| Sat 22 May 1999 | Wigan | 2 | 1 | Slight |
| Sat 29 May 1999 | St. Helens | 2 | 3 | Slight |
| Thu 3 Jun 1999 | St. Helens | 3 | 3 | Slight |
| Wed 9 Jun 1999 | St. Helens | 2 | 2 | Slight |
| Tue 22 Jun 1999 | St. Helens | 3 | 2 | Serious |
| Wed 30 Jun 1999 | Wigan | 2 | 1 | Slight |
| Sat 3 Jul 1999 | St. Helens | 2 | 2 | Serious |
| Sun 11 Jul 1999 | St. Helens | 2 | 3 | Slight |
| Mon 12 Jul 1999 | St. Helens | 2 | 1 | Slight |
| Tue 13 Jul 1999 | St. Helens | 2 | 1 | Slight |
| Mon 19 Jul 1999 | Wigan | 2 | 2 | Slight |
| Wed 21 Jul 1999 | St. Helens | 2 | 1 | Slight |
| Wed 21 Jul 1999 | St. Helens | 2 | 1 | Slight |
| Fri 30 Jul 1999 | St. Helens | 2 | 1 | Serious |
| Fri 30 Jul 1999 | Wigan | 1 | 4 | Slight |
| Sat 31 Jul 1999 | St. Helens | 2 | 1 | Slight |
| Thu 5 Aug 1999 | St. Helens | 2 | 1 | Slight |
| Thu 5 Aug 1999 | St. Helens | 2 | 1 | Slight |
| Thu 5 Aug 1999 | St. Helens | 3 | 1 | Slight |
| Fri 6 Aug 1999 | Wigan | 1 | 1 | Slight |
| Fri 13 Aug 1999 | St. Helens | 2 | 1 | Slight |
| Thu 19 Aug 1999 | St. Helens | 1 | 1 | Serious |
| Sun 19 Sep 1999 | Wigan | 2 | 3 | Slight |
| Mon 20 Sep 1999 | Wigan | 2 | 1 | Slight |
| Tue 21 Sep 1999 | St. Helens | 3 | 3 | Slight |
| Sun 26 Sep 1999 | Wigan | 1 | 1 | Slight |
| Wed 29 Sep 1999 | St. Helens | 2 | 2 | Slight |
| Thu 30 Sep 1999 | St. Helens | 2 | 1 | Slight |
| Sat 2 Oct 1999 | St. Helens | 2 | 1 | Slight |
| Thu 7 Oct 1999 | Wigan | 2 | 1 | Slight |
| Thu 7 Oct 1999 | Wigan | 2 | 1 | Slight |
| Sun 10 Oct 1999 | Wigan | 2 | 1 | Slight |
| Tue 12 Oct 1999 | Wigan | 2 | 2 | Slight |
| Fri 22 Oct 1999 | St. Helens | 2 | 1 | Slight |
| Sun 24 Oct 1999 | St. Helens | 1 | 1 | Serious |
| Wed 27 Oct 1999 | Wigan | 3 | 1 | Slight |
| Tue 2 Nov 1999 | Wigan | 2 | 3 | Slight |
| Wed 3 Nov 1999 | St. Helens | 2 | 1 | Slight |
| Wed 10 Nov 1999 | St. Helens | 2 | 1 | Slight |
| Mon 15 Nov 1999 | St. Helens | 1 | 1 | Slight |
| Sat 27 Nov 1999 | Wigan | 2 | 3 | Slight |
| Sat 27 Nov 1999 | Wigan | 2 | 3 | Slight |
| Wed 1 Dec 1999 | St. Helens | 2 | 1 | Slight |
| Wed 1 Dec 1999 | St. Helens | 2 | 1 | Slight |
| Tue 14 Dec 1999 | St. Helens | 2 | 1 | Slight |
| Thu 16 Dec 1999 | St. Helens | 2 | 1 | Slight |
| Fri 17 Dec 1999 | St. Helens | 1 | 1 | Serious |
| Mon 20 Dec 1999 | Wigan | 1 | 1 | Slight |
| Fri 24 Dec 1999 | Wigan | 2 | 1 | Slight |
| Sat 25 Dec 1999 | St. Helens | 1 | 1 | Slight |