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