Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Thu 1 Jan 2004 | Bradford | 1 | 1 | Slight |
| Fri 2 Jan 2004 | Calderdale | 2 | 2 | Slight |
| Mon 5 Jan 2004 | Kirklees | 3 | 1 | Slight |
| Mon 5 Jan 2004 | Calderdale | 1 | 1 | Slight |
| Tue 6 Jan 2004 | Calderdale | 2 | 1 | Slight |
| Thu 8 Jan 2004 | Calderdale | 2 | 2 | Slight |
| Mon 12 Jan 2004 | Calderdale | 3 | 3 | Slight |
| Thu 15 Jan 2004 | Bradford | 2 | 1 | Slight |
| Thu 15 Jan 2004 | Calderdale | 2 | 4 | Fatal |
| Fri 16 Jan 2004 | Bradford | 3 | 4 | Serious |
| Mon 19 Jan 2004 | Kirklees | 2 | 1 | Slight |
| Mon 19 Jan 2004 | Kirklees | 1 | 1 | Slight |
| Tue 20 Jan 2004 | Sheffield | 2 | 2 | Slight |
| Wed 21 Jan 2004 | Kirklees | 2 | 1 | Slight |
| Fri 23 Jan 2004 | Kirklees | 1 | 3 | Slight |
| Sat 24 Jan 2004 | Calderdale | 2 | 4 | Slight |
| Sun 25 Jan 2004 | Calderdale | 2 | 7 | Slight |
| Mon 2 Feb 2004 | Kirklees | 1 | 1 | Slight |
| Tue 3 Feb 2004 | Bradford | 2 | 2 | Slight |
| Tue 3 Feb 2004 | Calderdale | 2 | 3 | Slight |
| Thu 5 Feb 2004 | Kirklees | 2 | 2 | Slight |
| Sun 8 Feb 2004 | Calderdale | 3 | 1 | Slight |
| Tue 10 Feb 2004 | Calderdale | 2 | 1 | Slight |
| Fri 13 Feb 2004 | Calderdale | 2 | 2 | Slight |
| Mon 16 Feb 2004 | Barnsley | 1 | 1 | Serious |
| Mon 16 Feb 2004 | Kirklees | 3 | 1 | Slight |
| Mon 16 Feb 2004 | Craven | 3 | 4 | Slight |
| Tue 17 Feb 2004 | Bradford | 3 | 1 | Slight |
| Thu 19 Feb 2004 | Rotherham | 1 | 1 | Serious |
| Fri 20 Feb 2004 | Kirklees | 3 | 1 | Slight |
| Thu 26 Feb 2004 | Bradford | 2 | 1 | Slight |
| Thu 26 Feb 2004 | Bradford | 2 | 2 | Slight |
| Fri 27 Feb 2004 | Craven | 2 | 2 | Slight |
| Fri 27 Feb 2004 | Rotherham | 1 | 1 | Slight |
| Mon 1 Mar 2004 | Craven | 1 | 1 | Slight |
| Tue 2 Mar 2004 | Bradford | 2 | 6 | Slight |
| Wed 3 Mar 2004 | Kirklees | 1 | 2 | Slight |
| Wed 3 Mar 2004 | Kirklees | 2 | 2 | Slight |
| Thu 4 Mar 2004 | Calderdale | 1 | 1 | Serious |
| Sat 6 Mar 2004 | Calderdale | 1 | 1 | Serious |
| Sun 7 Mar 2004 | Calderdale | 4 | 2 | Slight |
| Tue 9 Mar 2004 | Calderdale | 2 | 2 | Slight |
| Wed 10 Mar 2004 | Bradford | 2 | 2 | Slight |
| Wed 10 Mar 2004 | Sheffield | 2 | 1 | Slight |
| Fri 12 Mar 2004 | Calderdale | 1 | 1 | Slight |
| Fri 12 Mar 2004 | Rotherham | 2 | 2 | Slight |
| Mon 15 Mar 2004 | Calderdale | 2 | 1 | Serious |
| Wed 17 Mar 2004 | Kirklees | 2 | 1 | Serious |
| Thu 18 Mar 2004 | Kirklees | 2 | 1 | Slight |
| Fri 19 Mar 2004 | Bradford | 2 | 2 | Slight |
| Wed 24 Mar 2004 | Bradford | 1 | 2 | Slight |
| Sat 27 Mar 2004 | Bradford | 1 | 2 | Slight |
| Sat 27 Mar 2004 | Calderdale | 2 | 3 | Slight |
| Sat 27 Mar 2004 | Sheffield | 2 | 1 | Slight |
| Sat 27 Mar 2004 | Rotherham | 2 | 1 | Slight |
| Tue 30 Mar 2004 | Bradford | 1 | 1 | Slight |
| Tue 30 Mar 2004 | Kirklees | 3 | 1 | Slight |
| Thu 1 Apr 2004 | Bradford | 1 | 1 | Slight |
| Thu 1 Apr 2004 | Calderdale | 2 | 1 | Slight |
| Fri 2 Apr 2004 | Barnsley | 1 | 1 | Slight |
| Sun 4 Apr 2004 | Sheffield | 2 | 1 | Slight |
| Sun 4 Apr 2004 | Kirklees | 2 | 1 | Slight |
| Sun 4 Apr 2004 | Kirklees | 2 | 1 | Slight |
| Mon 5 Apr 2004 | Bradford | 2 | 1 | Slight |
| Tue 6 Apr 2004 | Bradford | 2 | 1 | Slight |
| Tue 6 Apr 2004 | Bradford | 5 | 4 | Slight |
| Thu 8 Apr 2004 | Bradford | 1 | 2 | Slight |
| Thu 8 Apr 2004 | Kirklees | 2 | 1 | Slight |
| Wed 14 Apr 2004 | Rotherham | 2 | 1 | Slight |
| Wed 14 Apr 2004 | Rotherham | 2 | 1 | Slight |
| Sat 17 Apr 2004 | Kirklees | 3 | 2 | Slight |
| Mon 19 Apr 2004 | Bradford | 2 | 1 | Slight |
| Wed 21 Apr 2004 | Calderdale | 2 | 1 | Slight |
| Fri 23 Apr 2004 | Sheffield | 2 | 2 | Slight |
| Fri 23 Apr 2004 | Rotherham | 2 | 1 | Slight |
| Fri 23 Apr 2004 | Kirklees | 2 | 1 | Slight |
| Tue 27 Apr 2004 | Rotherham | 2 | 1 | Slight |
| Wed 28 Apr 2004 | Bradford | 1 | 1 | Slight |
| Wed 28 Apr 2004 | Craven | 1 | 2 | Slight |
| Thu 29 Apr 2004 | Barnsley | 3 | 2 | Slight |
| Thu 29 Apr 2004 | Bradford | 2 | 1 | Slight |
| Fri 30 Apr 2004 | Rotherham | 2 | 1 | Slight |
| Mon 3 May 2004 | Bradford | 2 | 5 | Serious |
| Mon 3 May 2004 | Bradford | 1 | 1 | Serious |
| Tue 4 May 2004 | Rotherham | 1 | 1 | Slight |
| Tue 4 May 2004 | Bradford | 2 | 1 | Serious |
| Fri 7 May 2004 | Sheffield | 1 | 1 | Slight |
| Sat 15 May 2004 | Calderdale | 1 | 1 | Slight |
| Sat 15 May 2004 | Craven | 3 | 3 | Serious |
| Fri 21 May 2004 | Bradford | 2 | 1 | Slight |
| Mon 24 May 2004 | Kirklees | 2 | 1 | Slight |
| Mon 24 May 2004 | Kirklees | 1 | 1 | Slight |
| Wed 26 May 2004 | Bradford | 2 | 1 | Slight |
| Sat 29 May 2004 | Kirklees | 2 | 1 | Slight |
| Sat 29 May 2004 | Kirklees | 2 | 1 | Slight |
| Sun 30 May 2004 | Kirklees | 2 | 3 | Slight |
| Sat 5 Jun 2004 | Bradford | 2 | 3 | Slight |
| Sun 6 Jun 2004 | Kirklees | 1 | 1 | Slight |
| Mon 7 Jun 2004 | Kirklees | 2 | 4 | Serious |
| Mon 7 Jun 2004 | Calderdale | 1 | 1 | Slight |
| Wed 9 Jun 2004 | Barnsley | 2 | 1 | Slight |
| Thu 10 Jun 2004 | Calderdale | 1 | 1 | Slight |
| Thu 10 Jun 2004 | Kirklees | 2 | 3 | Slight |
| Thu 10 Jun 2004 | Calderdale | 2 | 1 | Slight |
| Thu 10 Jun 2004 | Barnsley | 2 | 1 | Slight |
| Wed 16 Jun 2004 | Bradford | 1 | 1 | Slight |
| Sat 19 Jun 2004 | Bradford | 3 | 1 | Serious |
| Sun 20 Jun 2004 | Kirklees | 2 | 2 | Slight |
| Sun 20 Jun 2004 | Kirklees | 2 | 2 | Slight |
| Mon 21 Jun 2004 | Bradford | 1 | 1 | Slight |
| Wed 23 Jun 2004 | Bradford | 1 | 1 | Serious |
| Thu 24 Jun 2004 | Kirklees | 2 | 1 | Slight |
| Sat 26 Jun 2004 | Calderdale | 1 | 1 | Slight |
| Sat 26 Jun 2004 | Calderdale | 1 | 1 | Slight |
| Sat 26 Jun 2004 | Kirklees | 2 | 2 | Slight |
| Sat 26 Jun 2004 | Calderdale | 2 | 4 | Slight |
| Sun 27 Jun 2004 | Bradford | 3 | 2 | Slight |
| Thu 1 Jul 2004 | Kirklees | 1 | 1 | Slight |
| Fri 2 Jul 2004 | Calderdale | 1 | 2 | Slight |
| Fri 2 Jul 2004 | Kirklees | 2 | 1 | Slight |
| Sat 3 Jul 2004 | Bradford | 1 | 1 | Slight |
| Sun 4 Jul 2004 | Calderdale | 2 | 1 | Slight |
| Mon 5 Jul 2004 | Kirklees | 2 | 1 | Slight |
| Tue 6 Jul 2004 | Kirklees | 3 | 2 | Slight |
| Wed 7 Jul 2004 | Calderdale | 2 | 1 | Slight |
| Fri 9 Jul 2004 | Calderdale | 2 | 1 | Slight |
| Sat 10 Jul 2004 | Kirklees | 1 | 1 | Slight |
| Wed 14 Jul 2004 | Bradford | 2 | 1 | Slight |
| Sat 17 Jul 2004 | Kirklees | 1 | 1 | Slight |
| Tue 20 Jul 2004 | Calderdale | 3 | 1 | Slight |
| Wed 21 Jul 2004 | Rotherham | 1 | 1 | Slight |
| Wed 21 Jul 2004 | Kirklees | 1 | 2 | Slight |
| Sat 24 Jul 2004 | Bradford | 1 | 1 | Slight |
| Mon 26 Jul 2004 | Calderdale | 3 | 1 | Slight |
| Mon 26 Jul 2004 | Kirklees | 2 | 1 | Slight |
| Tue 27 Jul 2004 | Kirklees | 2 | 1 | Slight |
| Wed 28 Jul 2004 | Kirklees | 3 | 1 | Slight |
| Thu 29 Jul 2004 | Calderdale | 2 | 1 | Slight |
| Thu 29 Jul 2004 | Barnsley | 2 | 1 | Slight |
| Fri 30 Jul 2004 | Bradford | 2 | 3 | Slight |
| Fri 30 Jul 2004 | Barnsley | 1 | 1 | Serious |
| Fri 30 Jul 2004 | Rotherham | 2 | 1 | Slight |
| Sat 31 Jul 2004 | Kirklees | 1 | 2 | Slight |
| Mon 2 Aug 2004 | Calderdale | 1 | 1 | Serious |
| Tue 3 Aug 2004 | Kirklees | 2 | 1 | Slight |
| Wed 4 Aug 2004 | Calderdale | 2 | 1 | Slight |
| Thu 5 Aug 2004 | Rotherham | 2 | 1 | Slight |
| Fri 6 Aug 2004 | Craven | 4 | 1 | Slight |
| Fri 6 Aug 2004 | Calderdale | 1 | 1 | Fatal |
| Thu 12 Aug 2004 | Calderdale | 1 | 1 | Slight |
| Thu 12 Aug 2004 | Bradford | 1 | 1 | Slight |
| Fri 13 Aug 2004 | Kirklees | 2 | 1 | Slight |
| Fri 13 Aug 2004 | Rotherham | 2 | 2 | Slight |
| Wed 18 Aug 2004 | Barnsley | 2 | 1 | Slight |
| Thu 19 Aug 2004 | Craven | 3 | 1 | Slight |
| Thu 19 Aug 2004 | Bradford | 2 | 2 | Slight |
| Fri 20 Aug 2004 | Calderdale | 2 | 1 | Slight |
| Mon 23 Aug 2004 | Kirklees | 1 | 1 | Slight |
| Tue 24 Aug 2004 | Bradford | 2 | 4 | Slight |
| Wed 25 Aug 2004 | Kirklees | 2 | 1 | Slight |
| Fri 27 Aug 2004 | Calderdale | 2 | 2 | Slight |
| Sat 28 Aug 2004 | Sheffield | 2 | 1 | Slight |
| Sun 29 Aug 2004 | Calderdale | 1 | 1 | Slight |
| Mon 30 Aug 2004 | Bradford | 2 | 3 | Slight |
| Mon 30 Aug 2004 | Kirklees | 3 | 2 | Slight |
| Tue 31 Aug 2004 | Calderdale | 2 | 1 | Slight |
| Wed 1 Sep 2004 | Kirklees | 1 | 3 | Slight |
| Thu 2 Sep 2004 | Calderdale | 2 | 7 | Slight |
| Thu 9 Sep 2004 | Calderdale | 1 | 2 | Fatal |
| Fri 10 Sep 2004 | Craven | 1 | 1 | Serious |
| Fri 10 Sep 2004 | Kirklees | 2 | 1 | Slight |
| Sat 11 Sep 2004 | Calderdale | 3 | 1 | Slight |
| Sat 11 Sep 2004 | Bradford | 1 | 1 | Slight |
| Sat 11 Sep 2004 | Bradford | 1 | 1 | Slight |
| Sun 12 Sep 2004 | Kirklees | 3 | 1 | Slight |
| Sun 12 Sep 2004 | Bradford | 2 | 2 | Slight |
| Mon 13 Sep 2004 | Rotherham | 2 | 2 | Slight |
| Tue 14 Sep 2004 | Kirklees | 4 | 4 | Serious |
| Wed 15 Sep 2004 | Bradford | 2 | 1 | Slight |
| Fri 17 Sep 2004 | Barnsley | 1 | 1 | Serious |
| Fri 17 Sep 2004 | Calderdale | 1 | 1 | Slight |
| Sat 18 Sep 2004 | Calderdale | 2 | 1 | Slight |
| Sun 19 Sep 2004 | Kirklees | 2 | 1 | Slight |
| Mon 20 Sep 2004 | Kirklees | 2 | 1 | Slight |
| Tue 21 Sep 2004 | Sheffield | 2 | 1 | Slight |
| Wed 22 Sep 2004 | Bradford | 2 | 1 | Slight |
| Mon 27 Sep 2004 | Bradford | 1 | 1 | Slight |
| Tue 28 Sep 2004 | Barnsley | 2 | 1 | Slight |
| Mon 4 Oct 2004 | Calderdale | 2 | 1 | Slight |
| Thu 7 Oct 2004 | Calderdale | 1 | 1 | Slight |
| Thu 7 Oct 2004 | Calderdale | 1 | 1 | Slight |
| Fri 8 Oct 2004 | Kirklees | 2 | 2 | Slight |
| Tue 12 Oct 2004 | Rotherham | 2 | 1 | Slight |
| Tue 12 Oct 2004 | Kirklees | 2 | 1 | Slight |
| Tue 12 Oct 2004 | Barnsley | 2 | 3 | Serious |
| Wed 13 Oct 2004 | Kirklees | 3 | 3 | Serious |
| Fri 15 Oct 2004 | Rotherham | 2 | 2 | Slight |
| Wed 20 Oct 2004 | Bradford | 2 | 3 | Slight |
| Fri 22 Oct 2004 | Calderdale | 4 | 3 | Slight |
| Fri 29 Oct 2004 | Bradford | 2 | 1 | Slight |
| Fri 29 Oct 2004 | Calderdale | 1 | 1 | Slight |
| Fri 29 Oct 2004 | Kirklees | 2 | 1 | Slight |
| Sat 30 Oct 2004 | Bradford | 2 | 1 | Slight |
| Sun 31 Oct 2004 | Barnsley | 2 | 2 | Slight |
| Mon 1 Nov 2004 | Calderdale | 1 | 1 | Slight |
| Thu 4 Nov 2004 | Calderdale | 2 | 2 | Slight |
| Fri 5 Nov 2004 | Bradford | 2 | 1 | Slight |
| Fri 5 Nov 2004 | Kirklees | 2 | 1 | Slight |
| Fri 5 Nov 2004 | Calderdale | 2 | 1 | Slight |
| Fri 5 Nov 2004 | Kirklees | 1 | 1 | Slight |
| Sun 7 Nov 2004 | Barnsley | 3 | 2 | Slight |
| Mon 8 Nov 2004 | Calderdale | 1 | 2 | Slight |
| Mon 8 Nov 2004 | Bradford | 2 | 2 | Slight |
| Tue 9 Nov 2004 | Sheffield | 2 | 2 | Serious |
| Sat 13 Nov 2004 | Bradford | 2 | 1 | Slight |
| Sat 13 Nov 2004 | Kirklees | 1 | 1 | Serious |
| Sat 13 Nov 2004 | Kirklees | 2 | 2 | Slight |
| Sat 13 Nov 2004 | Kirklees | 1 | 1 | Slight |
| Mon 15 Nov 2004 | Rotherham | 2 | 1 | Slight |
| Wed 17 Nov 2004 | Calderdale | 2 | 1 | Slight |
| Wed 17 Nov 2004 | Kirklees | 2 | 4 | Slight |
| Thu 18 Nov 2004 | Calderdale | 2 | 1 | Slight |
| Thu 18 Nov 2004 | Rotherham | 2 | 1 | Slight |
| Fri 19 Nov 2004 | Calderdale | 2 | 1 | Slight |
| Fri 19 Nov 2004 | Kirklees | 2 | 2 | Slight |
| Fri 19 Nov 2004 | Kirklees | 2 | 1 | Slight |
| Tue 23 Nov 2004 | Kirklees | 2 | 1 | Serious |
| Fri 26 Nov 2004 | Kirklees | 1 | 1 | Slight |
| Fri 26 Nov 2004 | Tameside | 3 | 1 | Slight |
| Sat 27 Nov 2004 | Sheffield | 2 | 1 | Slight |
| Mon 29 Nov 2004 | Rotherham | 2 | 2 | Slight |
| Tue 30 Nov 2004 | Barnsley | 2 | 1 | Slight |
| Wed 1 Dec 2004 | Kirklees | 1 | 1 | Fatal |
| Wed 1 Dec 2004 | Barnsley | 1 | 1 | Slight |
| Thu 2 Dec 2004 | Calderdale | 2 | 1 | Slight |
| Fri 3 Dec 2004 | Bradford | 3 | 1 | Serious |
| Sat 4 Dec 2004 | Calderdale | 2 | 1 | Slight |
| Sun 5 Dec 2004 | Kirklees | 1 | 1 | Slight |
| Mon 6 Dec 2004 | Bradford | 2 | 2 | Slight |
| Tue 7 Dec 2004 | Kirklees | 1 | 1 | Slight |
| Tue 7 Dec 2004 | Kirklees | 3 | 1 | Slight |
| Wed 8 Dec 2004 | Kirklees | 3 | 1 | Slight |
| Mon 13 Dec 2004 | Sheffield | 2 | 1 | Slight |
| Thu 16 Dec 2004 | Kirklees | 2 | 1 | Serious |
| Fri 24 Dec 2004 | Calderdale | 1 | 1 | Slight |
| Sun 26 Dec 2004 | Calderdale | 2 | 1 | Slight |
| Fri 31 Dec 2004 | Bradford | 2 | 1 | Slight |