Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Sun 3 Jan 1999 | Leeds | 2 | 2 | Slight |
| Sun 24 Jan 1999 | Leeds | 2 | 3 | Slight |
| Mon 25 Jan 1999 | Kirklees | 1 | 1 | Serious |
| Fri 29 Jan 1999 | Kirklees | 2 | 3 | Slight |
| Wed 3 Feb 1999 | Kirklees | 3 | 1 | Slight |
| Thu 4 Feb 1999 | Kirklees | 3 | 1 | Slight |
| Fri 12 Feb 1999 | Leeds | 1 | 1 | Slight |
| Thu 25 Feb 1999 | Kirklees | 1 | 1 | Serious |
| Sat 27 Feb 1999 | Leeds | 1 | 1 | Slight |
| Tue 2 Mar 1999 | Leeds | 1 | 1 | Slight |
| Thu 4 Mar 1999 | Leeds | 1 | 1 | Slight |
| Fri 5 Mar 1999 | Leeds | 1 | 1 | Slight |
| Sun 7 Mar 1999 | Leeds | 2 | 1 | Slight |
| Mon 8 Mar 1999 | Leeds | 2 | 1 | Slight |
| Tue 9 Mar 1999 | Leeds | 2 | 2 | Slight |
| Tue 9 Mar 1999 | Kirklees | 1 | 1 | Slight |
| Wed 10 Mar 1999 | Kirklees | 1 | 1 | Slight |
| Thu 11 Mar 1999 | Kirklees | 2 | 1 | Slight |
| Tue 16 Mar 1999 | Leeds | 1 | 1 | Slight |
| Wed 24 Mar 1999 | Kirklees | 4 | 3 | Slight |
| Sun 28 Mar 1999 | Leeds | 2 | 1 | Slight |
| Wed 31 Mar 1999 | Leeds | 1 | 1 | Slight |
| Wed 31 Mar 1999 | Leeds | 1 | 1 | Slight |
| Thu 1 Apr 1999 | Leeds | 2 | 1 | Slight |
| Sat 3 Apr 1999 | Leeds | 2 | 3 | Slight |
| Mon 12 Apr 1999 | Leeds | 2 | 3 | Slight |
| Wed 14 Apr 1999 | Leeds | 3 | 1 | Slight |
| Wed 14 Apr 1999 | Leeds | 1 | 1 | Serious |
| Thu 15 Apr 1999 | Leeds | 2 | 1 | Slight |
| Fri 16 Apr 1999 | Kirklees | 1 | 1 | Serious |
| Fri 16 Apr 1999 | Leeds | 2 | 1 | Serious |
| Fri 16 Apr 1999 | Leeds | 2 | 1 | Serious |
| Thu 22 Apr 1999 | Leeds | 2 | 1 | Slight |
| Fri 23 Apr 1999 | Leeds | 1 | 1 | Serious |
| Mon 10 May 1999 | Leeds | 1 | 1 | Slight |
| Tue 11 May 1999 | Leeds | 1 | 1 | Slight |
| Sun 16 May 1999 | Leeds | 1 | 1 | Slight |
| Fri 21 May 1999 | Leeds | 2 | 1 | Slight |
| Fri 21 May 1999 | Kirklees | 2 | 1 | Slight |
| Mon 31 May 1999 | Leeds | 3 | 1 | Slight |
| Sun 6 Jun 1999 | Leeds | 1 | 1 | Slight |
| Fri 11 Jun 1999 | Kirklees | 1 | 1 | Serious |
| Thu 17 Jun 1999 | Kirklees | 2 | 1 | Slight |
| Tue 22 Jun 1999 | Leeds | 2 | 1 | Slight |
| Thu 24 Jun 1999 | Leeds | 3 | 1 | Slight |
| Fri 25 Jun 1999 | Kirklees | 1 | 1 | Slight |
| Sun 27 Jun 1999 | Leeds | 4 | 2 | Slight |
| Fri 2 Jul 1999 | Leeds | 2 | 1 | Slight |
| Sun 4 Jul 1999 | Kirklees | 1 | 1 | Slight |
| Thu 8 Jul 1999 | Leeds | 2 | 1 | Slight |
| Sat 24 Jul 1999 | Leeds | 2 | 2 | Slight |
| Sat 31 Jul 1999 | Leeds | 2 | 2 | Slight |
| Sun 1 Aug 1999 | Kirklees | 2 | 3 | Serious |
| Mon 2 Aug 1999 | Leeds | 2 | 1 | Slight |
| Mon 2 Aug 1999 | Leeds | 2 | 1 | Slight |
| Thu 5 Aug 1999 | Leeds | 3 | 1 | Slight |
| Wed 25 Aug 1999 | Leeds | 2 | 1 | Slight |
| Fri 27 Aug 1999 | Leeds | 2 | 1 | Slight |
| Sat 28 Aug 1999 | Kirklees | 2 | 2 | Slight |
| Sat 28 Aug 1999 | Leeds | 2 | 2 | Slight |
| Thu 2 Sep 1999 | Kirklees | 1 | 1 | Slight |
| Mon 6 Sep 1999 | Leeds | 2 | 1 | Slight |
| Tue 7 Sep 1999 | Leeds | 3 | 1 | Slight |
| Tue 14 Sep 1999 | Leeds | 1 | 1 | Slight |
| Wed 15 Sep 1999 | Leeds | 1 | 1 | Slight |
| Wed 15 Sep 1999 | Leeds | 2 | 1 | Serious |
| Mon 20 Sep 1999 | Leeds | 3 | 1 | Slight |
| Sat 25 Sep 1999 | Leeds | 2 | 1 | Slight |
| Sat 25 Sep 1999 | Kirklees | 2 | 4 | Slight |
| Mon 27 Sep 1999 | Leeds | 2 | 2 | Slight |
| Mon 27 Sep 1999 | Leeds | 2 | 1 | Slight |
| Tue 28 Sep 1999 | Leeds | 1 | 1 | Slight |
| Wed 29 Sep 1999 | Leeds | 1 | 1 | Slight |
| Thu 30 Sep 1999 | Leeds | 1 | 1 | Slight |
| Mon 4 Oct 1999 | Leeds | 2 | 1 | Slight |
| Thu 7 Oct 1999 | Leeds | 2 | 1 | Slight |
| Mon 11 Oct 1999 | Kirklees | 3 | 1 | Slight |
| Sun 17 Oct 1999 | Leeds | 2 | 1 | Slight |
| Thu 21 Oct 1999 | Leeds | 2 | 1 | Slight |
| Sat 30 Oct 1999 | Kirklees | 2 | 2 | Slight |
| Mon 1 Nov 1999 | Leeds | 1 | 1 | Slight |
| Thu 4 Nov 1999 | Leeds | 2 | 1 | Slight |
| Tue 9 Nov 1999 | Kirklees | 1 | 1 | Serious |
| Wed 10 Nov 1999 | Leeds | 1 | 2 | Slight |
| Fri 12 Nov 1999 | Leeds | 2 | 1 | Slight |
| Tue 16 Nov 1999 | Kirklees | 2 | 3 | Slight |
| Fri 19 Nov 1999 | Leeds | 2 | 1 | Slight |
| Tue 23 Nov 1999 | Leeds | 2 | 2 | Slight |
| Mon 29 Nov 1999 | Leeds | 3 | 2 | Slight |
| Thu 2 Dec 1999 | Leeds | 1 | 1 | Slight |
| Sat 4 Dec 1999 | Leeds | 2 | 1 | Slight |
| Sun 5 Dec 1999 | Leeds | 1 | 1 | Slight |
| Tue 7 Dec 1999 | Leeds | 2 | 1 | Slight |
| Fri 10 Dec 1999 | Leeds | 1 | 1 | Slight |
| Fri 10 Dec 1999 | Leeds | 2 | 1 | Slight |
| Sun 12 Dec 1999 | Leeds | 3 | 1 | Slight |
| Tue 14 Dec 1999 | Kirklees | 1 | 1 | Slight |
| Fri 17 Dec 1999 | Leeds | 2 | 1 | Slight |
| Mon 20 Dec 1999 | Leeds | 1 | 1 | Serious |
| Mon 27 Dec 1999 | Leeds | 2 | 1 | Slight |
| Mon 27 Dec 1999 | Leeds | 5 | 3 | Slight |