Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Thu 1 Jan 1998 | Burnley | 1 | 1 | Slight |
| Thu 8 Jan 1998 | Calderdale | 2 | 1 | Slight |
| Fri 9 Jan 1998 | Calderdale | 3 | 2 | Slight |
| Fri 9 Jan 1998 | Calderdale | 1 | 2 | Slight |
| Sun 11 Jan 1998 | Calderdale | 2 | 1 | Slight |
| Sat 17 Jan 1998 | Calderdale | 2 | 2 | Slight |
| Sun 18 Jan 1998 | Calderdale | 2 | 1 | Slight |
| Mon 19 Jan 1998 | Calderdale | 2 | 1 | Slight |
| Mon 19 Jan 1998 | Calderdale | 3 | 2 | Slight |
| Mon 19 Jan 1998 | Calderdale | 1 | 1 | Slight |
| Tue 20 Jan 1998 | Calderdale | 2 | 1 | Slight |
| Tue 20 Jan 1998 | Burnley | 1 | 1 | Serious |
| Tue 20 Jan 1998 | Calderdale | 2 | 3 | Slight |
| Wed 21 Jan 1998 | Calderdale | 2 | 1 | Slight |
| Thu 22 Jan 1998 | Calderdale | 1 | 1 | Slight |
| Sat 24 Jan 1998 | Calderdale | 1 | 1 | Slight |
| Wed 28 Jan 1998 | Calderdale | 2 | 1 | Slight |
| Wed 28 Jan 1998 | Calderdale | 1 | 3 | Slight |
| Tue 3 Feb 1998 | Calderdale | 2 | 1 | Serious |
| Sun 8 Feb 1998 | Calderdale | 3 | 2 | Serious |
| Sat 14 Feb 1998 | Calderdale | 2 | 2 | Slight |
| Mon 16 Feb 1998 | Burnley | 2 | 1 | Slight |
| Fri 20 Feb 1998 | Calderdale | 2 | 2 | Slight |
| Fri 20 Feb 1998 | Calderdale | 1 | 1 | Slight |
| Fri 27 Feb 1998 | Burnley | 1 | 1 | Slight |
| Sun 1 Mar 1998 | Calderdale | 2 | 2 | Slight |
| Sun 1 Mar 1998 | Calderdale | 2 | 1 | Slight |
| Fri 6 Mar 1998 | Calderdale | 2 | 2 | Slight |
| Fri 6 Mar 1998 | Calderdale | 2 | 3 | Slight |
| Fri 6 Mar 1998 | Burnley | 2 | 3 | Serious |
| Wed 11 Mar 1998 | Calderdale | 2 | 2 | Slight |
| Wed 11 Mar 1998 | Burnley | 3 | 2 | Slight |
| Thu 12 Mar 1998 | Calderdale | 3 | 2 | Slight |
| Mon 16 Mar 1998 | Calderdale | 2 | 1 | Slight |
| Sat 21 Mar 1998 | Burnley | 2 | 1 | Slight |
| Sun 22 Mar 1998 | Calderdale | 2 | 1 | Slight |
| Tue 24 Mar 1998 | Calderdale | 2 | 1 | Slight |
| Fri 27 Mar 1998 | Burnley | 2 | 1 | Slight |
| Fri 27 Mar 1998 | Calderdale | 2 | 1 | Slight |
| Fri 27 Mar 1998 | Calderdale | 3 | 2 | Slight |
| Sat 28 Mar 1998 | Calderdale | 1 | 1 | Slight |
| Sun 29 Mar 1998 | Calderdale | 3 | 3 | Slight |
| Wed 1 Apr 1998 | Calderdale | 2 | 2 | Slight |
| Wed 1 Apr 1998 | Calderdale | 1 | 1 | Slight |
| Thu 2 Apr 1998 | Calderdale | 3 | 1 | Slight |
| Sun 5 Apr 1998 | Calderdale | 2 | 2 | Slight |
| Sat 11 Apr 1998 | Calderdale | 2 | 1 | Slight |
| Wed 15 Apr 1998 | Calderdale | 1 | 1 | Serious |
| Sun 19 Apr 1998 | Calderdale | 2 | 1 | Slight |
| Mon 20 Apr 1998 | Calderdale | 2 | 1 | Slight |
| Wed 22 Apr 1998 | Calderdale | 2 | 1 | Slight |
| Sun 26 Apr 1998 | Calderdale | 2 | 1 | Slight |
| Sun 26 Apr 1998 | Calderdale | 2 | 1 | Slight |
| Sun 26 Apr 1998 | Calderdale | 2 | 2 | Slight |
| Mon 4 May 1998 | Calderdale | 1 | 1 | Slight |
| Wed 6 May 1998 | Calderdale | 2 | 3 | Slight |
| Sat 9 May 1998 | Calderdale | 2 | 2 | Serious |
| Mon 11 May 1998 | Calderdale | 1 | 1 | Slight |
| Thu 14 May 1998 | Calderdale | 3 | 1 | Slight |
| Tue 19 May 1998 | Burnley | 2 | 1 | Slight |
| Wed 20 May 1998 | Burnley | 2 | 1 | Slight |
| Sun 24 May 1998 | Calderdale | 2 | 1 | Slight |
| Fri 29 May 1998 | Calderdale | 3 | 1 | Slight |
| Fri 29 May 1998 | Calderdale | 1 | 1 | Serious |
| Sat 6 Jun 1998 | Calderdale | 1 | 1 | Slight |
| Sat 6 Jun 1998 | Calderdale | 1 | 1 | Slight |
| Mon 8 Jun 1998 | Calderdale | 2 | 2 | Slight |
| Fri 12 Jun 1998 | Calderdale | 1 | 1 | Slight |
| Thu 18 Jun 1998 | Calderdale | 2 | 2 | Slight |
| Fri 19 Jun 1998 | Calderdale | 3 | 3 | Slight |
| Fri 26 Jun 1998 | Calderdale | 2 | 2 | Slight |
| Fri 26 Jun 1998 | Calderdale | 2 | 1 | Slight |
| Mon 29 Jun 1998 | Calderdale | 1 | 1 | Slight |
| Thu 2 Jul 1998 | Calderdale | 2 | 1 | Slight |
| Fri 3 Jul 1998 | Calderdale | 2 | 1 | Slight |
| Mon 6 Jul 1998 | Calderdale | 1 | 1 | Slight |
| Fri 10 Jul 1998 | Calderdale | 2 | 1 | Slight |
| Sun 12 Jul 1998 | Calderdale | 2 | 4 | Slight |
| Mon 13 Jul 1998 | Burnley | 1 | 1 | Slight |
| Fri 17 Jul 1998 | Calderdale | 1 | 1 | Serious |
| Sat 18 Jul 1998 | Calderdale | 1 | 1 | Slight |
| Sun 19 Jul 1998 | Calderdale | 2 | 1 | Slight |
| Sun 19 Jul 1998 | Calderdale | 2 | 1 | Slight |
| Tue 21 Jul 1998 | Calderdale | 2 | 1 | Slight |
| Thu 23 Jul 1998 | Calderdale | 1 | 1 | Slight |
| Thu 23 Jul 1998 | Calderdale | 1 | 1 | Serious |
| Sun 26 Jul 1998 | Burnley | 2 | 1 | Slight |
| Tue 28 Jul 1998 | Burnley | 2 | 1 | Slight |
| Wed 29 Jul 1998 | Calderdale | 2 | 1 | Slight |
| Sat 1 Aug 1998 | Burnley | 2 | 1 | Slight |
| Sat 1 Aug 1998 | Calderdale | 2 | 1 | Slight |
| Thu 6 Aug 1998 | Calderdale | 1 | 1 | Slight |
| Fri 14 Aug 1998 | Burnley | 2 | 1 | Serious |
| Fri 21 Aug 1998 | Calderdale | 2 | 1 | Slight |
| Sat 29 Aug 1998 | Calderdale | 1 | 1 | Slight |
| Thu 10 Sep 1998 | Burnley | 1 | 1 | Slight |
| Fri 11 Sep 1998 | Calderdale | 1 | 1 | Serious |
| Fri 11 Sep 1998 | Calderdale | 2 | 1 | Slight |
| Sat 12 Sep 1998 | Calderdale | 3 | 6 | Serious |
| Sun 13 Sep 1998 | Burnley | 2 | 1 | Slight |
| Wed 16 Sep 1998 | Calderdale | 3 | 1 | Slight |
| Wed 16 Sep 1998 | Calderdale | 1 | 1 | Slight |
| Sat 19 Sep 1998 | Calderdale | 2 | 1 | Slight |
| Sun 20 Sep 1998 | Calderdale | 1 | 2 | Slight |
| Fri 25 Sep 1998 | Calderdale | 1 | 1 | Slight |
| Sun 27 Sep 1998 | Calderdale | 1 | 1 | Slight |
| Wed 30 Sep 1998 | Calderdale | 2 | 2 | Slight |
| Thu 1 Oct 1998 | Calderdale | 2 | 1 | Slight |
| Thu 1 Oct 1998 | Calderdale | 2 | 3 | Slight |
| Fri 9 Oct 1998 | Calderdale | 2 | 2 | Slight |
| Thu 15 Oct 1998 | Calderdale | 2 | 1 | Slight |
| Sun 18 Oct 1998 | Calderdale | 1 | 1 | Slight |
| Wed 21 Oct 1998 | Calderdale | 1 | 2 | Serious |
| Sun 25 Oct 1998 | Burnley | 2 | 1 | Slight |
| Mon 2 Nov 1998 | Calderdale | 2 | 2 | Slight |
| Tue 10 Nov 1998 | Burnley | 2 | 1 | Slight |
| Tue 10 Nov 1998 | Calderdale | 1 | 1 | Slight |
| Tue 10 Nov 1998 | Calderdale | 1 | 1 | Slight |
| Wed 11 Nov 1998 | Burnley | 2 | 1 | Slight |
| Fri 13 Nov 1998 | Calderdale | 2 | 2 | Slight |
| Sat 14 Nov 1998 | Calderdale | 2 | 3 | Slight |
| Mon 16 Nov 1998 | Calderdale | 1 | 1 | Serious |
| Mon 16 Nov 1998 | Calderdale | 2 | 1 | Slight |
| Tue 17 Nov 1998 | Calderdale | 2 | 1 | Slight |
| Fri 27 Nov 1998 | Calderdale | 1 | 1 | Slight |
| Mon 30 Nov 1998 | Calderdale | 2 | 4 | Serious |
| Mon 30 Nov 1998 | Calderdale | 2 | 2 | Slight |
| Sun 13 Dec 1998 | Calderdale | 1 | 1 | Serious |
| Fri 18 Dec 1998 | Calderdale | 2 | 1 | Slight |
| Fri 25 Dec 1998 | Burnley | 2 | 2 | Slight |