Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Sun 6 Jan 2013 | Leeds | 3 | 1 | Slight |
| Tue 8 Jan 2013 | Bradford | 2 | 1 | Slight |
| Fri 11 Jan 2013 | Leeds | 2 | 2 | Slight |
| Sun 13 Jan 2013 | Calderdale | 3 | 8 | Fatal |
| Mon 21 Jan 2013 | Bradford | 1 | 2 | Slight |
| Sun 27 Jan 2013 | Bradford | 3 | 2 | Slight |
| Mon 28 Jan 2013 | Bradford | 2 | 1 | Slight |
| Tue 29 Jan 2013 | Leeds | 1 | 2 | Serious |
| Thu 31 Jan 2013 | Bradford | 3 | 1 | Slight |
| Fri 1 Feb 2013 | Calderdale | 2 | 1 | Slight |
| Sat 2 Feb 2013 | Leeds | 3 | 2 | Serious |
| Mon 4 Feb 2013 | Bradford | 2 | 2 | Slight |
| Sun 10 Feb 2013 | Bradford | 3 | 3 | Slight |
| Wed 13 Feb 2013 | Calderdale | 3 | 3 | Slight |
| Wed 13 Feb 2013 | Bradford | 3 | 1 | Slight |
| Sat 16 Feb 2013 | Bradford | 1 | 1 | Serious |
| Sat 16 Feb 2013 | Leeds | 3 | 5 | Serious |
| Sat 16 Feb 2013 | Bradford | 2 | 1 | Serious |
| Thu 21 Feb 2013 | Bradford | 1 | 1 | Slight |
| Sat 23 Feb 2013 | Leeds | 1 | 1 | Slight |
| Mon 25 Feb 2013 | Bradford | 1 | 1 | Slight |
| Wed 27 Feb 2013 | Bradford | 2 | 1 | Slight |
| Thu 28 Feb 2013 | Leeds | 1 | 1 | Slight |
| Mon 4 Mar 2013 | Bradford | 2 | 2 | Slight |
| Tue 5 Mar 2013 | Bradford | 2 | 3 | Slight |
| Tue 5 Mar 2013 | Leeds | 2 | 3 | Slight |
| Sat 16 Mar 2013 | Bradford | 2 | 1 | Slight |
| Sat 16 Mar 2013 | Leeds | 1 | 1 | Slight |
| Sat 16 Mar 2013 | Bradford | 1 | 1 | Slight |
| Sun 17 Mar 2013 | Bradford | 2 | 1 | Slight |
| Mon 18 Mar 2013 | Leeds | 1 | 1 | Slight |
| Wed 20 Mar 2013 | Leeds | 2 | 1 | Slight |
| Sat 23 Mar 2013 | Bradford | 2 | 1 | Slight |
| Fri 29 Mar 2013 | Bradford | 2 | 1 | Slight |
| Thu 4 Apr 2013 | Bradford | 3 | 3 | Slight |
| Sat 6 Apr 2013 | Leeds | 3 | 1 | Serious |
| Tue 9 Apr 2013 | Bradford | 4 | 2 | Slight |
| Wed 10 Apr 2013 | Bradford | 2 | 2 | Slight |
| Sat 13 Apr 2013 | Leeds | 1 | 1 | Slight |
| Tue 16 Apr 2013 | Bradford | 1 | 1 | Slight |
| Mon 22 Apr 2013 | Leeds | 2 | 1 | Slight |
| Thu 2 May 2013 | Bradford | 2 | 1 | Slight |
| Mon 6 May 2013 | Bradford | 2 | 1 | Slight |
| Mon 6 May 2013 | Bradford | 2 | 4 | Slight |
| Sat 11 May 2013 | Leeds | 2 | 1 | Serious |
| Thu 16 May 2013 | Bradford | 2 | 1 | Slight |
| Sun 19 May 2013 | Bradford | 2 | 1 | Slight |
| Thu 23 May 2013 | Leeds | 2 | 1 | Slight |
| Thu 23 May 2013 | Bradford | 2 | 1 | Slight |
| Sat 25 May 2013 | Calderdale | 3 | 1 | Slight |
| Sun 26 May 2013 | Bradford | 2 | 1 | Serious |
| Fri 31 May 2013 | Bradford | 2 | 2 | Serious |
| Sat 1 Jun 2013 | Leeds | 1 | 2 | Slight |
| Sun 2 Jun 2013 | Leeds | 1 | 1 | Slight |
| Mon 3 Jun 2013 | Leeds | 4 | 3 | Slight |
| Fri 7 Jun 2013 | Calderdale | 2 | 4 | Slight |
| Fri 7 Jun 2013 | Bradford | 2 | 3 | Slight |
| Sat 8 Jun 2013 | Leeds | 2 | 2 | Slight |
| Mon 10 Jun 2013 | Bradford | 5 | 2 | Slight |
| Tue 11 Jun 2013 | Leeds | 2 | 1 | Slight |
| Sun 16 Jun 2013 | Leeds | 1 | 1 | Slight |
| Tue 18 Jun 2013 | Leeds | 3 | 2 | Slight |
| Fri 21 Jun 2013 | Calderdale | 3 | 2 | Slight |
| Fri 21 Jun 2013 | Leeds | 2 | 1 | Serious |
| Wed 26 Jun 2013 | Calderdale | 2 | 1 | Slight |
| Wed 26 Jun 2013 | Bradford | 1 | 1 | Slight |
| Thu 27 Jun 2013 | Bradford | 2 | 2 | Serious |
| Sat 29 Jun 2013 | Bradford | 2 | 1 | Slight |
| Sat 6 Jul 2013 | Bradford | 2 | 1 | Slight |
| Sun 7 Jul 2013 | Bradford | 2 | 3 | Serious |
| Fri 12 Jul 2013 | Leeds | 2 | 1 | Slight |
| Fri 12 Jul 2013 | Leeds | 2 | 1 | Slight |
| Thu 18 Jul 2013 | Leeds | 2 | 1 | Slight |
| Sun 21 Jul 2013 | Leeds | 2 | 5 | Serious |
| Tue 23 Jul 2013 | Bradford | 2 | 2 | Slight |
| Thu 1 Aug 2013 | Bradford | 1 | 1 | Slight |
| Thu 1 Aug 2013 | Leeds | 1 | 1 | Slight |
| Sun 4 Aug 2013 | Leeds | 2 | 1 | Slight |
| Wed 7 Aug 2013 | Leeds | 2 | 1 | Serious |
| Wed 7 Aug 2013 | Calderdale | 1 | 1 | Serious |
| Sat 10 Aug 2013 | Leeds | 2 | 1 | Slight |
| Wed 14 Aug 2013 | Bradford | 2 | 1 | Serious |
| Thu 15 Aug 2013 | Leeds | 2 | 1 | Slight |
| Wed 21 Aug 2013 | Bradford | 1 | 1 | Slight |
| Fri 23 Aug 2013 | Bradford | 1 | 1 | Slight |
| Fri 6 Sep 2013 | Leeds | 2 | 1 | Slight |
| Sat 7 Sep 2013 | Bradford | 2 | 1 | Slight |
| Mon 9 Sep 2013 | Leeds | 2 | 2 | Slight |
| Sun 15 Sep 2013 | Leeds | 2 | 1 | Slight |
| Tue 17 Sep 2013 | Bradford | 2 | 1 | Slight |
| Thu 19 Sep 2013 | Leeds | 4 | 1 | Slight |
| Thu 19 Sep 2013 | Bradford | 2 | 1 | Slight |
| Mon 23 Sep 2013 | Leeds | 1 | 2 | Serious |
| Tue 24 Sep 2013 | Bradford | 2 | 2 | Slight |
| Fri 27 Sep 2013 | Bradford | 1 | 1 | Slight |
| Fri 27 Sep 2013 | Bradford | 2 | 1 | Slight |
| Fri 27 Sep 2013 | Bradford | 1 | 1 | Serious |
| Mon 30 Sep 2013 | Bradford | 2 | 2 | Slight |
| Wed 9 Oct 2013 | Bradford | 2 | 1 | Slight |
| Wed 9 Oct 2013 | Leeds | 1 | 1 | Serious |
| Thu 10 Oct 2013 | Bradford | 2 | 1 | Slight |
| Mon 14 Oct 2013 | Leeds | 2 | 2 | Slight |
| Mon 14 Oct 2013 | Bradford | 1 | 1 | Slight |
| Mon 14 Oct 2013 | Bradford | 2 | 1 | Slight |
| Fri 18 Oct 2013 | Bradford | 1 | 1 | Slight |
| Mon 21 Oct 2013 | Bradford | 3 | 2 | Slight |
| Tue 22 Oct 2013 | Bradford | 1 | 1 | Slight |
| Fri 25 Oct 2013 | Leeds | 2 | 1 | Slight |
| Sat 26 Oct 2013 | Calderdale | 2 | 1 | Slight |
| Fri 1 Nov 2013 | Bradford | 2 | 2 | Slight |
| Fri 1 Nov 2013 | Bradford | 2 | 1 | Slight |
| Thu 7 Nov 2013 | Leeds | 2 | 1 | Slight |
| Mon 11 Nov 2013 | Bradford | 1 | 1 | Slight |
| Mon 11 Nov 2013 | Bradford | 2 | 1 | Slight |
| Tue 12 Nov 2013 | Bradford | 1 | 2 | Slight |
| Thu 14 Nov 2013 | Calderdale | 2 | 1 | Slight |
| Sat 16 Nov 2013 | Bradford | 2 | 2 | Slight |
| Tue 19 Nov 2013 | Leeds | 2 | 2 | Slight |
| Tue 19 Nov 2013 | Bradford | 1 | 1 | Slight |
| Sat 23 Nov 2013 | Leeds | 2 | 1 | Slight |
| Sun 1 Dec 2013 | Bradford | 1 | 1 | Serious |
| Sun 1 Dec 2013 | Bradford | 2 | 3 | Slight |
| Mon 2 Dec 2013 | Bradford | 2 | 4 | Slight |
| Tue 3 Dec 2013 | Leeds | 2 | 2 | Slight |
| Sun 8 Dec 2013 | Bradford | 1 | 1 | Slight |
| Mon 9 Dec 2013 | Bradford | 2 | 1 | Serious |
| Sat 14 Dec 2013 | Bradford | 2 | 2 | Slight |
| Sat 14 Dec 2013 | Leeds | 2 | 2 | Slight |
| Thu 19 Dec 2013 | Bradford | 2 | 1 | Serious |
| Fri 20 Dec 2013 | Leeds | 1 | 1 | Slight |
| Mon 23 Dec 2013 | Bradford | 1 | 1 | Slight |
| Tue 31 Dec 2013 | Bradford | 2 | 2 | Slight |