Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Tue 5 Jan 1999 | Leeds | 2 | 1 | Slight |
| Fri 8 Jan 1999 | Leeds | 2 | 2 | Slight |
| Sun 10 Jan 1999 | Leeds | 1 | 3 | Slight |
| Sun 10 Jan 1999 | Leeds | 3 | 1 | Slight |
| Sun 10 Jan 1999 | Leeds | 2 | 2 | Slight |
| Tue 12 Jan 1999 | Leeds | 1 | 1 | Slight |
| Wed 13 Jan 1999 | Leeds | 2 | 1 | Serious |
| Fri 15 Jan 1999 | Leeds | 2 | 1 | Slight |
| Mon 18 Jan 1999 | Leeds | 2 | 1 | Slight |
| Tue 19 Jan 1999 | Leeds | 2 | 1 | Slight |
| Fri 22 Jan 1999 | Leeds | 3 | 3 | Serious |
| Tue 26 Jan 1999 | Leeds | 2 | 1 | Slight |
| Sun 31 Jan 1999 | Leeds | 3 | 4 | Serious |
| Tue 2 Feb 1999 | Leeds | 2 | 1 | Serious |
| Fri 5 Feb 1999 | Leeds | 2 | 2 | Slight |
| Sun 7 Feb 1999 | Leeds | 2 | 1 | Slight |
| Tue 9 Feb 1999 | Leeds | 4 | 3 | Serious |
| Tue 9 Feb 1999 | Leeds | 2 | 1 | Slight |
| Fri 12 Feb 1999 | Leeds | 3 | 1 | Slight |
| Sat 13 Feb 1999 | Leeds | 2 | 1 | Slight |
| Sun 14 Feb 1999 | Leeds | 2 | 1 | Slight |
| Tue 16 Feb 1999 | Leeds | 4 | 3 | Slight |
| Sun 21 Feb 1999 | Leeds | 1 | 1 | Slight |
| Thu 25 Feb 1999 | Leeds | 2 | 3 | Serious |
| Thu 25 Feb 1999 | Leeds | 2 | 2 | Slight |
| Tue 2 Mar 1999 | Leeds | 2 | 1 | Slight |
| Thu 4 Mar 1999 | Leeds | 4 | 1 | Slight |
| Thu 11 Mar 1999 | Leeds | 2 | 1 | Slight |
| Tue 16 Mar 1999 | Leeds | 2 | 1 | Slight |
| Tue 16 Mar 1999 | Leeds | 1 | 1 | Slight |
| Sat 20 Mar 1999 | Leeds | 2 | 1 | Serious |
| Tue 23 Mar 1999 | Leeds | 1 | 1 | Slight |
| Sun 4 Apr 1999 | Leeds | 2 | 1 | Slight |
| Mon 5 Apr 1999 | Leeds | 2 | 1 | Slight |
| Thu 8 Apr 1999 | Leeds | 2 | 2 | Slight |
| Sat 10 Apr 1999 | Leeds | 1 | 1 | Slight |
| Tue 13 Apr 1999 | Leeds | 2 | 2 | Slight |
| Fri 23 Apr 1999 | Leeds | 2 | 1 | Slight |
| Fri 23 Apr 1999 | Leeds | 2 | 1 | Slight |
| Fri 23 Apr 1999 | Leeds | 2 | 2 | Slight |
| Sat 24 Apr 1999 | Leeds | 2 | 1 | Slight |
| Thu 29 Apr 1999 | Leeds | 2 | 4 | Serious |
| Thu 29 Apr 1999 | Leeds | 1 | 1 | Serious |
| Fri 30 Apr 1999 | Leeds | 1 | 1 | Slight |
| Thu 6 May 1999 | Leeds | 2 | 2 | Slight |
| Fri 7 May 1999 | Leeds | 1 | 1 | Slight |
| Sat 8 May 1999 | Leeds | 3 | 2 | Slight |
| Wed 12 May 1999 | Leeds | 3 | 1 | Slight |
| Wed 26 May 1999 | Leeds | 2 | 3 | Slight |
| Mon 7 Jun 1999 | Leeds | 2 | 1 | Slight |
| Tue 8 Jun 1999 | Leeds | 1 | 2 | Serious |
| Thu 10 Jun 1999 | Leeds | 1 | 1 | Slight |
| Thu 10 Jun 1999 | Leeds | 2 | 1 | Serious |
| Sat 12 Jun 1999 | Leeds | 1 | 2 | Slight |
| Mon 14 Jun 1999 | Leeds | 2 | 1 | Slight |
| Tue 15 Jun 1999 | Leeds | 2 | 1 | Slight |
| Wed 16 Jun 1999 | Leeds | 2 | 1 | Slight |
| Thu 17 Jun 1999 | Leeds | 1 | 1 | Serious |
| Mon 21 Jun 1999 | Leeds | 2 | 1 | Fatal |
| Mon 21 Jun 1999 | Leeds | 2 | 1 | Fatal |
| Mon 21 Jun 1999 | Leeds | 2 | 2 | Slight |
| Wed 23 Jun 1999 | Leeds | 2 | 1 | Slight |
| Sat 26 Jun 1999 | Leeds | 2 | 2 | Slight |
| Sun 27 Jun 1999 | Leeds | 2 | 2 | Slight |
| Fri 2 Jul 1999 | Leeds | 2 | 1 | Slight |
| Fri 2 Jul 1999 | Leeds | 2 | 2 | Slight |
| Sun 4 Jul 1999 | Leeds | 2 | 3 | Slight |
| Mon 5 Jul 1999 | Leeds | 2 | 1 | Slight |
| Sat 10 Jul 1999 | Leeds | 2 | 2 | Slight |
| Mon 12 Jul 1999 | Leeds | 2 | 2 | Serious |
| Sun 18 Jul 1999 | Leeds | 2 | 1 | Slight |
| Sun 18 Jul 1999 | Leeds | 2 | 2 | Slight |
| Thu 29 Jul 1999 | Leeds | 2 | 1 | Slight |
| Tue 3 Aug 1999 | Leeds | 1 | 2 | Slight |
| Thu 19 Aug 1999 | Leeds | 1 | 2 | Fatal |
| Fri 27 Aug 1999 | Leeds | 2 | 1 | Slight |
| Tue 31 Aug 1999 | Leeds | 1 | 1 | Slight |
| Wed 1 Sep 1999 | Leeds | 2 | 3 | Slight |
| Thu 2 Sep 1999 | Leeds | 1 | 1 | Serious |
| Fri 3 Sep 1999 | Leeds | 3 | 1 | Slight |
| Sat 4 Sep 1999 | Leeds | 2 | 2 | Slight |
| Wed 15 Sep 1999 | Leeds | 2 | 1 | Slight |
| Fri 17 Sep 1999 | Leeds | 3 | 1 | Slight |
| Sat 18 Sep 1999 | Leeds | 1 | 2 | Serious |
| Sun 19 Sep 1999 | Leeds | 2 | 1 | Slight |
| Tue 28 Sep 1999 | Leeds | 2 | 1 | Slight |
| Wed 29 Sep 1999 | Leeds | 2 | 1 | Slight |
| Fri 1 Oct 1999 | Leeds | 1 | 1 | Serious |
| Sun 3 Oct 1999 | Leeds | 2 | 1 | Slight |
| Sun 3 Oct 1999 | Leeds | 4 | 6 | Slight |
| Mon 4 Oct 1999 | Leeds | 2 | 2 | Slight |
| Mon 4 Oct 1999 | Leeds | 2 | 1 | Slight |
| Tue 5 Oct 1999 | Leeds | 1 | 1 | Slight |
| Fri 8 Oct 1999 | Leeds | 2 | 1 | Slight |
| Sat 9 Oct 1999 | Leeds | 2 | 1 | Slight |
| Sat 9 Oct 1999 | Leeds | 2 | 2 | Serious |
| Sun 17 Oct 1999 | Leeds | 2 | 2 | Slight |
| Tue 19 Oct 1999 | Leeds | 2 | 2 | Slight |
| Thu 21 Oct 1999 | Leeds | 1 | 1 | Slight |
| Fri 22 Oct 1999 | Leeds | 2 | 2 | Slight |
| Sat 23 Oct 1999 | Leeds | 1 | 1 | Slight |
| Thu 28 Oct 1999 | Leeds | 2 | 2 | Slight |
| Sat 30 Oct 1999 | Leeds | 2 | 1 | Slight |
| Sun 31 Oct 1999 | Leeds | 2 | 1 | Slight |
| Mon 1 Nov 1999 | Leeds | 1 | 1 | Slight |
| Wed 3 Nov 1999 | Leeds | 2 | 1 | Slight |
| Fri 5 Nov 1999 | Leeds | 1 | 1 | Slight |
| Fri 5 Nov 1999 | Leeds | 4 | 2 | Slight |
| Sat 6 Nov 1999 | Leeds | 2 | 3 | Slight |
| Mon 8 Nov 1999 | Leeds | 3 | 3 | Fatal |
| Tue 9 Nov 1999 | Leeds | 2 | 2 | Slight |
| Wed 10 Nov 1999 | Leeds | 2 | 1 | Slight |
| Wed 10 Nov 1999 | Leeds | 1 | 1 | Slight |
| Fri 12 Nov 1999 | Leeds | 2 | 1 | Slight |
| Sat 13 Nov 1999 | Leeds | 3 | 1 | Slight |
| Sat 13 Nov 1999 | Leeds | 3 | 1 | Slight |
| Sun 14 Nov 1999 | Leeds | 2 | 1 | Slight |
| Wed 17 Nov 1999 | Leeds | 1 | 1 | Slight |
| Fri 19 Nov 1999 | Leeds | 2 | 1 | Slight |
| Wed 24 Nov 1999 | Leeds | 1 | 2 | Slight |
| Wed 1 Dec 1999 | Leeds | 2 | 1 | Slight |
| Wed 1 Dec 1999 | Leeds | 2 | 3 | Slight |
| Thu 2 Dec 1999 | Leeds | 4 | 1 | Slight |
| Fri 3 Dec 1999 | Leeds | 2 | 5 | Slight |
| Tue 7 Dec 1999 | Leeds | 1 | 2 | Slight |
| Tue 7 Dec 1999 | Leeds | 2 | 1 | Slight |
| Thu 9 Dec 1999 | Leeds | 2 | 1 | Slight |
| Sat 11 Dec 1999 | Leeds | 2 | 1 | Slight |
| Tue 14 Dec 1999 | Leeds | 2 | 1 | Slight |
| Tue 14 Dec 1999 | Leeds | 2 | 1 | Slight |
| Tue 14 Dec 1999 | Leeds | 2 | 2 | Slight |
| Tue 14 Dec 1999 | Leeds | 2 | 1 | Slight |
| Wed 15 Dec 1999 | Leeds | 3 | 1 | Slight |
| Wed 22 Dec 1999 | Leeds | 2 | 1 | Slight |
| Sun 26 Dec 1999 | Leeds | 1 | 1 | Slight |
| Tue 28 Dec 1999 | Leeds | 2 | 1 | Slight |