Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Tue 6 Jan 1998 | Bradford | 3 | 1 | Slight |
| Thu 8 Jan 1998 | Kirklees | 2 | 1 | Slight |
| Sat 10 Jan 1998 | Bradford | 1 | 1 | Slight |
| Fri 16 Jan 1998 | Bradford | 2 | 1 | Slight |
| Wed 21 Jan 1998 | Kirklees | 2 | 1 | Slight |
| Tue 27 Jan 1998 | Kirklees | 2 | 2 | Slight |
| Tue 27 Jan 1998 | Kirklees | 2 | 2 | Slight |
| Wed 28 Jan 1998 | Kirklees | 2 | 1 | Slight |
| Tue 3 Feb 1998 | Bradford | 2 | 2 | Slight |
| Thu 5 Feb 1998 | Bradford | 2 | 1 | Slight |
| Sat 7 Feb 1998 | Bradford | 1 | 1 | Slight |
| Sat 7 Feb 1998 | Bradford | 1 | 1 | Slight |
| Mon 9 Feb 1998 | Bradford | 1 | 1 | Slight |
| Fri 13 Feb 1998 | Calderdale | 2 | 1 | Slight |
| Sat 14 Feb 1998 | Kirklees | 1 | 1 | Serious |
| Fri 20 Feb 1998 | Bradford | 2 | 1 | Slight |
| Tue 24 Feb 1998 | Bradford | 2 | 1 | Slight |
| Wed 25 Feb 1998 | Calderdale | 1 | 1 | Serious |
| Wed 4 Mar 1998 | Kirklees | 1 | 1 | Slight |
| Thu 5 Mar 1998 | Bradford | 2 | 2 | Slight |
| Sat 7 Mar 1998 | Bradford | 2 | 1 | Slight |
| Sat 7 Mar 1998 | Kirklees | 2 | 2 | Slight |
| Mon 9 Mar 1998 | Kirklees | 1 | 1 | Slight |
| Wed 11 Mar 1998 | Calderdale | 2 | 1 | Slight |
| Fri 13 Mar 1998 | Kirklees | 1 | 1 | Serious |
| Fri 13 Mar 1998 | Bradford | 2 | 1 | Slight |
| Wed 18 Mar 1998 | Kirklees | 1 | 1 | Serious |
| Thu 19 Mar 1998 | Bradford | 2 | 1 | Slight |
| Thu 19 Mar 1998 | Bradford | 2 | 1 | Slight |
| Sat 21 Mar 1998 | Bradford | 2 | 1 | Slight |
| Sat 21 Mar 1998 | Bradford | 2 | 2 | Slight |
| Mon 23 Mar 1998 | Calderdale | 1 | 1 | Slight |
| Tue 24 Mar 1998 | Bradford | 2 | 4 | Slight |
| Thu 26 Mar 1998 | Calderdale | 1 | 1 | Slight |
| Mon 30 Mar 1998 | Bradford | 2 | 1 | Slight |
| Thu 2 Apr 1998 | Bradford | 5 | 2 | Slight |
| Thu 2 Apr 1998 | Bradford | 2 | 1 | Slight |
| Sat 4 Apr 1998 | Kirklees | 2 | 1 | Slight |
| Mon 6 Apr 1998 | Kirklees | 2 | 1 | Slight |
| Wed 8 Apr 1998 | Bradford | 2 | 2 | Slight |
| Thu 9 Apr 1998 | Bradford | 1 | 1 | Slight |
| Thu 9 Apr 1998 | Bradford | 2 | 1 | Slight |
| Fri 10 Apr 1998 | Bradford | 1 | 1 | Slight |
| Tue 14 Apr 1998 | Bradford | 1 | 1 | Slight |
| Tue 14 Apr 1998 | Bradford | 2 | 1 | Slight |
| Fri 17 Apr 1998 | Bradford | 2 | 1 | Slight |
| Thu 23 Apr 1998 | Calderdale | 2 | 1 | Slight |
| Wed 29 Apr 1998 | Calderdale | 3 | 2 | Slight |
| Thu 30 Apr 1998 | Bradford | 2 | 4 | Slight |
| Fri 1 May 1998 | Bradford | 3 | 4 | Slight |
| Fri 1 May 1998 | Bradford | 1 | 2 | Serious |
| Fri 8 May 1998 | Kirklees | 1 | 1 | Slight |
| Sun 10 May 1998 | Kirklees | 1 | 1 | Fatal |
| Sat 16 May 1998 | Calderdale | 2 | 2 | Slight |
| Mon 18 May 1998 | Bradford | 2 | 1 | Slight |
| Wed 20 May 1998 | Bradford | 2 | 2 | Slight |
| Mon 25 May 1998 | Bradford | 2 | 2 | Slight |
| Tue 26 May 1998 | Kirklees | 2 | 1 | Slight |
| Thu 28 May 1998 | Calderdale | 2 | 1 | Slight |
| Mon 1 Jun 1998 | Bradford | 2 | 2 | Slight |
| Mon 1 Jun 1998 | Bradford | 2 | 1 | Slight |
| Wed 3 Jun 1998 | Kirklees | 1 | 1 | Serious |
| Fri 5 Jun 1998 | Bradford | 1 | 1 | Slight |
| Sat 6 Jun 1998 | Bradford | 5 | 11 | Slight |
| Sat 6 Jun 1998 | Bradford | 2 | 1 | Slight |
| Mon 8 Jun 1998 | Bradford | 2 | 1 | Slight |
| Tue 9 Jun 1998 | Calderdale | 2 | 4 | Slight |
| Wed 10 Jun 1998 | Bradford | 2 | 1 | Serious |
| Thu 11 Jun 1998 | Calderdale | 1 | 1 | Slight |
| Fri 12 Jun 1998 | Calderdale | 2 | 1 | Slight |
| Wed 17 Jun 1998 | Bradford | 2 | 4 | Slight |
| Fri 19 Jun 1998 | Bradford | 2 | 1 | Slight |
| Sat 20 Jun 1998 | Bradford | 2 | 1 | Slight |
| Sat 20 Jun 1998 | Calderdale | 2 | 2 | Slight |
| Sat 20 Jun 1998 | Calderdale | 2 | 2 | Slight |
| Sun 21 Jun 1998 | Bradford | 2 | 1 | Slight |
| Mon 22 Jun 1998 | Bradford | 2 | 2 | Slight |
| Wed 24 Jun 1998 | Bradford | 2 | 1 | Slight |
| Fri 26 Jun 1998 | Calderdale | 2 | 3 | Slight |
| Sat 27 Jun 1998 | Bradford | 3 | 1 | Slight |
| Sat 4 Jul 1998 | Bradford | 2 | 1 | Slight |
| Mon 6 Jul 1998 | Bradford | 2 | 1 | Serious |
| Thu 9 Jul 1998 | Bradford | 2 | 1 | Slight |
| Fri 10 Jul 1998 | Bradford | 1 | 1 | Serious |
| Sat 11 Jul 1998 | Bradford | 2 | 2 | Slight |
| Mon 13 Jul 1998 | Calderdale | 2 | 2 | Slight |
| Fri 17 Jul 1998 | Kirklees | 2 | 1 | Serious |
| Fri 17 Jul 1998 | Bradford | 3 | 1 | Slight |
| Sun 19 Jul 1998 | Bradford | 2 | 2 | Slight |
| Thu 30 Jul 1998 | Bradford | 2 | 2 | Slight |
| Thu 30 Jul 1998 | Bradford | 2 | 1 | Slight |
| Thu 30 Jul 1998 | Bradford | 2 | 2 | Slight |
| Sat 1 Aug 1998 | Kirklees | 2 | 2 | Slight |
| Mon 3 Aug 1998 | Bradford | 2 | 1 | Slight |
| Fri 7 Aug 1998 | Calderdale | 3 | 1 | Slight |
| Fri 7 Aug 1998 | Bradford | 3 | 5 | Slight |
| Sun 9 Aug 1998 | Kirklees | 2 | 1 | Slight |
| Sun 9 Aug 1998 | Bradford | 1 | 1 | Slight |
| Tue 11 Aug 1998 | Kirklees | 2 | 1 | Serious |
| Tue 11 Aug 1998 | Kirklees | 1 | 1 | Serious |
| Wed 12 Aug 1998 | Bradford | 2 | 2 | Slight |
| Sat 15 Aug 1998 | Calderdale | 2 | 1 | Slight |
| Sun 16 Aug 1998 | Kirklees | 1 | 4 | Serious |
| Tue 18 Aug 1998 | Kirklees | 1 | 1 | Serious |
| Thu 20 Aug 1998 | Bradford | 2 | 1 | Slight |
| Sun 23 Aug 1998 | Bradford | 1 | 2 | Serious |
| Tue 25 Aug 1998 | Calderdale | 2 | 1 | Serious |
| Sat 29 Aug 1998 | Bradford | 2 | 5 | Serious |
| Wed 2 Sep 1998 | Bradford | 3 | 2 | Slight |
| Mon 7 Sep 1998 | Calderdale | 2 | 1 | Slight |
| Mon 7 Sep 1998 | Kirklees | 2 | 1 | Slight |
| Tue 8 Sep 1998 | Calderdale | 1 | 1 | Slight |
| Wed 9 Sep 1998 | Kirklees | 2 | 1 | Slight |
| Wed 9 Sep 1998 | Bradford | 2 | 3 | Slight |
| Thu 10 Sep 1998 | Bradford | 2 | 2 | Slight |
| Fri 11 Sep 1998 | Bradford | 1 | 1 | Slight |
| Thu 17 Sep 1998 | Calderdale | 2 | 2 | Slight |
| Mon 21 Sep 1998 | Kirklees | 3 | 2 | Slight |
| Tue 22 Sep 1998 | Bradford | 2 | 1 | Slight |
| Wed 30 Sep 1998 | Bradford | 2 | 2 | Slight |
| Thu 1 Oct 1998 | Kirklees | 1 | 1 | Slight |
| Thu 1 Oct 1998 | Bradford | 2 | 1 | Slight |
| Sat 3 Oct 1998 | Kirklees | 2 | 4 | Serious |
| Mon 5 Oct 1998 | Bradford | 2 | 1 | Slight |
| Tue 6 Oct 1998 | Calderdale | 2 | 1 | Slight |
| Wed 7 Oct 1998 | Bradford | 1 | 1 | Slight |
| Sun 11 Oct 1998 | Bradford | 1 | 1 | Slight |
| Sun 11 Oct 1998 | Calderdale | 2 | 2 | Slight |
| Tue 13 Oct 1998 | Calderdale | 2 | 2 | Slight |
| Wed 14 Oct 1998 | Bradford | 2 | 1 | Slight |
| Mon 19 Oct 1998 | Calderdale | 3 | 1 | Slight |
| Tue 20 Oct 1998 | Kirklees | 1 | 1 | Slight |
| Tue 20 Oct 1998 | Kirklees | 2 | 1 | Slight |
| Sat 24 Oct 1998 | Bradford | 1 | 1 | Slight |
| Sun 25 Oct 1998 | Calderdale | 1 | 1 | Slight |
| Fri 30 Oct 1998 | Calderdale | 2 | 1 | Slight |
| Sat 31 Oct 1998 | Bradford | 2 | 3 | Slight |
| Tue 3 Nov 1998 | Kirklees | 1 | 1 | Slight |
| Wed 4 Nov 1998 | Bradford | 2 | 1 | Slight |
| Thu 5 Nov 1998 | Bradford | 3 | 2 | Slight |
| Sat 7 Nov 1998 | Bradford | 1 | 1 | Serious |
| Sat 7 Nov 1998 | Kirklees | 2 | 3 | Slight |
| Sat 7 Nov 1998 | Kirklees | 2 | 3 | Slight |
| Tue 10 Nov 1998 | Bradford | 3 | 1 | Slight |
| Wed 11 Nov 1998 | Bradford | 2 | 1 | Slight |
| Thu 12 Nov 1998 | Bradford | 3 | 1 | Slight |
| Mon 16 Nov 1998 | Bradford | 1 | 1 | Slight |
| Tue 17 Nov 1998 | Calderdale | 2 | 1 | Slight |
| Tue 17 Nov 1998 | Bradford | 2 | 1 | Slight |
| Wed 18 Nov 1998 | Bradford | 2 | 1 | Slight |
| Sat 21 Nov 1998 | Calderdale | 2 | 1 | Slight |
| Sat 21 Nov 1998 | Kirklees | 2 | 1 | Slight |
| Thu 26 Nov 1998 | Kirklees | 2 | 1 | Slight |
| Sun 29 Nov 1998 | Bradford | 2 | 1 | Slight |
| Mon 30 Nov 1998 | Bradford | 1 | 1 | Serious |
| Tue 1 Dec 1998 | Bradford | 2 | 2 | Slight |
| Tue 1 Dec 1998 | Bradford | 1 | 1 | Slight |
| Thu 3 Dec 1998 | Calderdale | 2 | 1 | Slight |
| Thu 3 Dec 1998 | Bradford | 2 | 3 | Slight |
| Sun 6 Dec 1998 | Kirklees | 2 | 2 | Slight |
| Mon 7 Dec 1998 | Bradford | 2 | 3 | Slight |
| Fri 11 Dec 1998 | Calderdale | 2 | 2 | Slight |
| Wed 16 Dec 1998 | Bradford | 2 | 1 | Slight |
| Wed 16 Dec 1998 | Bradford | 2 | 1 | Slight |
| Thu 17 Dec 1998 | Bradford | 2 | 1 | Slight |
| Fri 18 Dec 1998 | Calderdale | 5 | 4 | Slight |
| Tue 22 Dec 1998 | Bradford | 2 | 1 | Slight |
| Wed 23 Dec 1998 | Calderdale | 3 | 1 | Slight |
| Fri 25 Dec 1998 | Calderdale | 3 | 3 | Slight |
| Fri 25 Dec 1998 | Bradford | 1 | 1 | Slight |