Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Sat 1 Jan 2011 | Leeds | 4 | 3 | Slight |
| Sat 8 Jan 2011 | Leeds | 1 | 1 | Slight |
| Tue 11 Jan 2011 | Craven | 2 | 1 | Slight |
| Thu 13 Jan 2011 | Leeds | 2 | 1 | Slight |
| Thu 13 Jan 2011 | Leeds | 2 | 2 | Serious |
| Sat 15 Jan 2011 | Leeds | 2 | 1 | Slight |
| Thu 20 Jan 2011 | Leeds | 2 | 1 | Serious |
| Fri 21 Jan 2011 | Craven | 2 | 1 | Slight |
| Wed 26 Jan 2011 | Leeds | 2 | 1 | Slight |
| Wed 2 Feb 2011 | Bradford | 1 | 1 | Slight |
| Thu 3 Feb 2011 | Leeds | 2 | 1 | Slight |
| Tue 8 Feb 2011 | Leeds | 2 | 1 | Slight |
| Wed 9 Feb 2011 | Bradford | 3 | 1 | Slight |
| Sat 12 Feb 2011 | Bradford | 2 | 1 | Slight |
| Sun 13 Feb 2011 | Craven | 2 | 2 | Slight |
| Tue 15 Feb 2011 | Leeds | 2 | 2 | Slight |
| Thu 17 Feb 2011 | Leeds | 2 | 1 | Slight |
| Fri 18 Feb 2011 | Bradford | 3 | 1 | Slight |
| Mon 21 Feb 2011 | Lancaster | 1 | 1 | Serious |
| Sat 26 Feb 2011 | Craven | 1 | 1 | Slight |
| Mon 28 Feb 2011 | Leeds | 2 | 1 | Slight |
| Sat 12 Mar 2011 | Bradford | 2 | 1 | Slight |
| Thu 17 Mar 2011 | Craven | 1 | 1 | Slight |
| Fri 25 Mar 2011 | Leeds | 2 | 1 | Serious |
| Tue 29 Mar 2011 | Bradford | 2 | 1 | Slight |
| Tue 5 Apr 2011 | Bradford | 2 | 1 | Slight |
| Thu 7 Apr 2011 | Leeds | 2 | 1 | Slight |
| Thu 7 Apr 2011 | Leeds | 2 | 1 | Slight |
| Sun 10 Apr 2011 | Bradford | 2 | 1 | Serious |
| Tue 12 Apr 2011 | Leeds | 1 | 1 | Serious |
| Tue 12 Apr 2011 | Leeds | 2 | 2 | Slight |
| Fri 15 Apr 2011 | Craven | 2 | 2 | Slight |
| Sat 16 Apr 2011 | Leeds | 2 | 2 | Slight |
| Sun 17 Apr 2011 | Craven | 2 | 1 | Slight |
| Fri 22 Apr 2011 | Lancaster | 1 | 1 | Slight |
| Mon 25 Apr 2011 | Craven | 1 | 1 | Slight |
| Mon 25 Apr 2011 | Craven | 3 | 1 | Slight |
| Sun 1 May 2011 | Craven | 2 | 1 | Slight |
| Fri 6 May 2011 | South Lakeland | 2 | 1 | Slight |
| Sat 7 May 2011 | South Lakeland | 3 | 1 | Slight |
| Mon 9 May 2011 | Craven | 2 | 1 | Slight |
| Thu 12 May 2011 | Bradford | 1 | 1 | Fatal |
| Fri 13 May 2011 | Leeds | 2 | 4 | Slight |
| Sun 15 May 2011 | South Lakeland | 1 | 5 | Serious |
| Sat 21 May 2011 | South Lakeland | 1 | 2 | Serious |
| Sun 22 May 2011 | South Lakeland | 2 | 1 | Slight |
| Mon 23 May 2011 | Leeds | 2 | 1 | Slight |
| Mon 30 May 2011 | Leeds | 2 | 2 | Slight |
| Tue 31 May 2011 | Craven | 3 | 2 | Slight |
| Thu 2 Jun 2011 | Craven | 2 | 1 | Slight |
| Thu 2 Jun 2011 | South Lakeland | 1 | 1 | Slight |
| Sun 5 Jun 2011 | Leeds | 2 | 1 | Slight |
| Sun 12 Jun 2011 | Leeds | 2 | 1 | Slight |
| Sun 12 Jun 2011 | Craven | 1 | 1 | Slight |
| Wed 15 Jun 2011 | Craven | 1 | 2 | Slight |
| Fri 17 Jun 2011 | Craven | 2 | 1 | Fatal |
| Sun 19 Jun 2011 | Craven | 1 | 1 | Serious |
| Sun 19 Jun 2011 | Craven | 1 | 1 | Serious |
| Fri 24 Jun 2011 | Leeds | 2 | 1 | Slight |
| Mon 27 Jun 2011 | Leeds | 3 | 1 | Slight |
| Mon 27 Jun 2011 | Leeds | 2 | 2 | Slight |
| Mon 27 Jun 2011 | Leeds | 2 | 2 | Slight |
| Wed 29 Jun 2011 | South Lakeland | 2 | 1 | Slight |
| Thu 30 Jun 2011 | Leeds | 2 | 1 | Slight |
| Fri 1 Jul 2011 | Craven | 2 | 2 | Serious |
| Fri 1 Jul 2011 | Craven | 2 | 3 | Slight |
| Fri 1 Jul 2011 | Leeds | 2 | 1 | Slight |
| Sun 3 Jul 2011 | Bradford | 2 | 2 | Slight |
| Fri 8 Jul 2011 | Craven | 3 | 1 | Slight |
| Tue 12 Jul 2011 | Craven | 2 | 1 | Slight |
| Wed 13 Jul 2011 | Leeds | 1 | 1 | Slight |
| Fri 15 Jul 2011 | Leeds | 2 | 1 | Slight |
| Fri 15 Jul 2011 | Leeds | 2 | 1 | Slight |
| Sat 16 Jul 2011 | Bradford | 2 | 4 | Slight |
| Sun 17 Jul 2011 | Bradford | 2 | 2 | Slight |
| Sun 17 Jul 2011 | Leeds | 5 | 3 | Slight |
| Tue 19 Jul 2011 | Craven | 2 | 1 | Slight |
| Wed 20 Jul 2011 | Craven | 1 | 1 | Slight |
| Sat 23 Jul 2011 | Craven | 1 | 1 | Slight |
| Sat 23 Jul 2011 | Leeds | 3 | 3 | Slight |
| Tue 26 Jul 2011 | Lancaster | 2 | 2 | Slight |
| Thu 28 Jul 2011 | Leeds | 2 | 1 | Slight |
| Fri 29 Jul 2011 | Craven | 1 | 1 | Serious |
| Tue 2 Aug 2011 | Craven | 2 | 1 | Slight |
| Wed 3 Aug 2011 | Leeds | 2 | 1 | Slight |
| Fri 5 Aug 2011 | Leeds | 3 | 1 | Fatal |
| Sat 6 Aug 2011 | Leeds | 2 | 1 | Slight |
| Mon 8 Aug 2011 | Leeds | 2 | 1 | Slight |
| Mon 15 Aug 2011 | Craven | 1 | 1 | Slight |
| Thu 18 Aug 2011 | Bradford | 2 | 2 | Serious |
| Sat 20 Aug 2011 | Craven | 1 | 1 | Slight |
| Sun 21 Aug 2011 | Craven | 3 | 3 | Serious |
| Sun 21 Aug 2011 | Bradford | 1 | 2 | Slight |
| Tue 23 Aug 2011 | Leeds | 2 | 1 | Slight |
| Thu 25 Aug 2011 | Craven | 2 | 2 | Slight |
| Wed 31 Aug 2011 | Craven | 1 | 1 | Slight |
| Fri 2 Sep 2011 | Leeds | 2 | 1 | Slight |
| Sun 4 Sep 2011 | Craven | 2 | 3 | Serious |
| Sat 10 Sep 2011 | Leeds | 2 | 1 | Slight |
| Sun 11 Sep 2011 | Leeds | 1 | 1 | Serious |
| Sun 11 Sep 2011 | Leeds | 1 | 1 | Slight |
| Sat 17 Sep 2011 | Craven | 3 | 2 | Slight |
| Sat 17 Sep 2011 | South Lakeland | 1 | 1 | Slight |
| Mon 19 Sep 2011 | South Lakeland | 1 | 1 | Slight |
| Mon 19 Sep 2011 | Craven | 1 | 4 | Slight |
| Tue 20 Sep 2011 | South Lakeland | 3 | 1 | Slight |
| Fri 23 Sep 2011 | Craven | 1 | 2 | Serious |
| Sat 1 Oct 2011 | Craven | 2 | 2 | Serious |
| Sat 1 Oct 2011 | Leeds | 3 | 1 | Slight |
| Mon 3 Oct 2011 | Craven | 2 | 1 | Slight |
| Fri 7 Oct 2011 | South Lakeland | 2 | 1 | Slight |
| Sat 8 Oct 2011 | Leeds | 1 | 1 | Slight |
| Tue 11 Oct 2011 | South Lakeland | 3 | 3 | Slight |
| Wed 12 Oct 2011 | Craven | 3 | 2 | Slight |
| Wed 26 Oct 2011 | Leeds | 1 | 1 | Slight |
| Thu 27 Oct 2011 | Leeds | 2 | 1 | Slight |
| Thu 27 Oct 2011 | Leeds | 2 | 1 | Serious |
| Wed 2 Nov 2011 | Craven | 2 | 1 | Slight |
| Tue 8 Nov 2011 | Leeds | 2 | 1 | Slight |
| Thu 10 Nov 2011 | Bradford | 1 | 1 | Slight |
| Thu 24 Nov 2011 | Leeds | 2 | 1 | Slight |
| Wed 30 Nov 2011 | Leeds | 4 | 1 | Slight |
| Thu 1 Dec 2011 | Bradford | 2 | 1 | Slight |
| Fri 2 Dec 2011 | Bradford | 2 | 1 | Slight |
| Sat 3 Dec 2011 | Leeds | 2 | 2 | Slight |
| Tue 6 Dec 2011 | Bradford | 2 | 1 | Slight |
| Wed 7 Dec 2011 | Leeds | 1 | 1 | Fatal |
| Thu 8 Dec 2011 | Craven | 2 | 2 | Slight |
| Sat 10 Dec 2011 | South Lakeland | 1 | 1 | Slight |
| Wed 14 Dec 2011 | Leeds | 2 | 2 | Slight |
| Thu 15 Dec 2011 | Leeds | 2 | 1 | Slight |
| Fri 16 Dec 2011 | Leeds | 1 | 1 | Slight |
| Fri 16 Dec 2011 | Bradford | 3 | 4 | Slight |
| Tue 20 Dec 2011 | Craven | 1 | 1 | Slight |
| Thu 22 Dec 2011 | South Lakeland | 2 | 2 | Slight |
| Thu 22 Dec 2011 | Bradford | 2 | 1 | Slight |
| Fri 23 Dec 2011 | Leeds | 1 | 1 | Serious |
| Fri 23 Dec 2011 | Craven | 3 | 4 | Slight |
| Sat 24 Dec 2011 | Bradford | 2 | 1 | Slight |
| Sat 24 Dec 2011 | Craven | 1 | 1 | Slight |
| Sun 25 Dec 2011 | Bradford | 1 | 1 | Slight |
| Sun 25 Dec 2011 | Bradford | 1 | 1 | Slight |
| Sun 25 Dec 2011 | South Lakeland | 2 | 1 | Slight |
| Sun 25 Dec 2011 | Craven | 2 | 2 | Slight |
| Fri 30 Dec 2011 | South Lakeland | 2 | 1 | Slight |