Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Sat 2 Jan 2010 | Cheshire West and Chester | 1 | 1 | Slight |
| Sat 2 Jan 2010 | Denbighshire | 2 | 3 | Serious |
| Wed 6 Jan 2010 | Cheshire West and Chester | 2 | 1 | Slight |
| Wed 13 Jan 2010 | Flintshire | 1 | 1 | Slight |
| Wed 13 Jan 2010 | Flintshire | 1 | 1 | Slight |
| Fri 22 Jan 2010 | Cheshire West and Chester | 4 | 2 | Slight |
| Fri 29 Jan 2010 | Denbighshire | 3 | 1 | Serious |
| Sun 31 Jan 2010 | Isle of Anglesey | 2 | 3 | Slight |
| Sun 31 Jan 2010 | Gwynedd | 2 | 2 | Slight |
| Mon 1 Feb 2010 | Flintshire | 2 | 2 | Slight |
| Mon 1 Feb 2010 | Flintshire | 1 | 1 | Slight |
| Thu 4 Feb 2010 | Conwy | 3 | 1 | Slight |
| Wed 10 Feb 2010 | Flintshire | 2 | 1 | Slight |
| Wed 10 Feb 2010 | Flintshire | 2 | 1 | Slight |
| Mon 15 Feb 2010 | Conwy | 1 | 2 | Serious |
| Tue 16 Feb 2010 | Conwy | 2 | 1 | Slight |
| Tue 16 Feb 2010 | Gwynedd | 2 | 1 | Slight |
| Tue 16 Feb 2010 | Gwynedd | 2 | 1 | Slight |
| Fri 19 Feb 2010 | Isle of Anglesey | 1 | 1 | Slight |
| Sun 21 Feb 2010 | Flintshire | 1 | 2 | Slight |
| Mon 22 Feb 2010 | Flintshire | 2 | 1 | Serious |
| Mon 1 Mar 2010 | Cheshire West and Chester | 2 | 1 | Slight |
| Mon 1 Mar 2010 | Conwy | 3 | 2 | Serious |
| Tue 2 Mar 2010 | Isle of Anglesey | 2 | 2 | Slight |
| Tue 2 Mar 2010 | Denbighshire | 2 | 1 | Slight |
| Wed 3 Mar 2010 | Isle of Anglesey | 1 | 1 | Slight |
| Thu 4 Mar 2010 | Conwy | 2 | 1 | Slight |
| Fri 5 Mar 2010 | Flintshire | 1 | 1 | Slight |
| Sat 6 Mar 2010 | Isle of Anglesey | 2 | 1 | Slight |
| Mon 8 Mar 2010 | Conwy | 2 | 1 | Slight |
| Fri 12 Mar 2010 | Isle of Anglesey | 1 | 1 | Serious |
| Sun 14 Mar 2010 | Cheshire West and Chester | 1 | 1 | Serious |
| Sat 20 Mar 2010 | Flintshire | 3 | 1 | Slight |
| Sat 20 Mar 2010 | Flintshire | 3 | 1 | Slight |
| Sat 27 Mar 2010 | Gwynedd | 1 | 2 | Slight |
| Sat 27 Mar 2010 | Conwy | 2 | 3 | Slight |
| Sun 28 Mar 2010 | Cheshire West and Chester | 3 | 1 | Slight |
| Thu 1 Apr 2010 | Flintshire | 2 | 1 | Slight |
| Thu 8 Apr 2010 | Flintshire | 1 | 1 | Slight |
| Sun 11 Apr 2010 | Denbighshire | 2 | 1 | Serious |
| Wed 14 Apr 2010 | Denbighshire | 2 | 1 | Slight |
| Sun 18 Apr 2010 | Flintshire | 2 | 1 | Slight |
| Fri 23 Apr 2010 | Cheshire West and Chester | 1 | 1 | Slight |
| Fri 23 Apr 2010 | Cheshire West and Chester | 2 | 1 | Slight |
| Mon 26 Apr 2010 | Flintshire | 2 | 1 | Slight |
| Wed 28 Apr 2010 | Cheshire West and Chester | 2 | 1 | Serious |
| Thu 29 Apr 2010 | Flintshire | 1 | 4 | Fatal |
| Thu 29 Apr 2010 | Flintshire | 1 | 4 | Fatal |
| Tue 4 May 2010 | Flintshire | 2 | 1 | Slight |
| Sat 8 May 2010 | Flintshire | 1 | 1 | Slight |
| Sat 8 May 2010 | Flintshire | 2 | 4 | Slight |
| Tue 11 May 2010 | Isle of Anglesey | 2 | 1 | Slight |
| Wed 12 May 2010 | Conwy | 2 | 3 | Slight |
| Thu 13 May 2010 | Cheshire West and Chester | 2 | 1 | Slight |
| Thu 20 May 2010 | Conwy | 2 | 2 | Slight |
| Thu 20 May 2010 | Flintshire | 2 | 2 | Serious |
| Thu 20 May 2010 | Conwy | 2 | 1 | Serious |
| Fri 21 May 2010 | Denbighshire | 2 | 1 | Slight |
| Sun 23 May 2010 | Flintshire | 2 | 2 | Slight |
| Thu 27 May 2010 | Conwy | 2 | 1 | Slight |
| Fri 28 May 2010 | Cheshire West and Chester | 2 | 1 | Slight |
| Sat 29 May 2010 | Gwynedd | 2 | 1 | Slight |
| Thu 3 Jun 2010 | Conwy | 2 | 2 | Slight |
| Fri 18 Jun 2010 | Flintshire | 2 | 2 | Slight |
| Sun 20 Jun 2010 | Isle of Anglesey | 2 | 1 | Serious |
| Mon 21 Jun 2010 | Flintshire | 1 | 2 | Serious |
| Tue 22 Jun 2010 | Flintshire | 1 | 2 | Slight |
| Tue 22 Jun 2010 | Denbighshire | 2 | 1 | Slight |
| Thu 24 Jun 2010 | Cheshire West and Chester | 2 | 2 | Slight |
| Thu 24 Jun 2010 | Conwy | 1 | 2 | Slight |
| Fri 25 Jun 2010 | Conwy | 2 | 1 | Slight |
| Fri 25 Jun 2010 | Flintshire | 2 | 1 | Slight |
| Sat 26 Jun 2010 | Conwy | 1 | 4 | Serious |
| Mon 28 Jun 2010 | Gwynedd | 2 | 1 | Slight |
| Tue 29 Jun 2010 | Cheshire West and Chester | 2 | 1 | Slight |
| Fri 2 Jul 2010 | Conwy | 1 | 1 | Slight |
| Sat 10 Jul 2010 | Conwy | 1 | 2 | Slight |
| Sun 11 Jul 2010 | Denbighshire | 2 | 1 | Slight |
| Sun 11 Jul 2010 | Denbighshire | 2 | 1 | Slight |
| Tue 13 Jul 2010 | Cheshire West and Chester | 1 | 1 | Slight |
| Wed 14 Jul 2010 | Flintshire | 2 | 4 | Slight |
| Wed 14 Jul 2010 | Flintshire | 2 | 4 | Slight |
| Tue 20 Jul 2010 | Conwy | 3 | 4 | Slight |
| Tue 20 Jul 2010 | Gwynedd | 2 | 4 | Slight |
| Sat 24 Jul 2010 | Denbighshire | 1 | 2 | Slight |
| Mon 2 Aug 2010 | Flintshire | 2 | 1 | Slight |
| Thu 5 Aug 2010 | Conwy | 2 | 1 | Serious |
| Thu 12 Aug 2010 | Flintshire | 2 | 1 | Slight |
| Fri 13 Aug 2010 | Denbighshire | 2 | 1 | Slight |
| Sun 15 Aug 2010 | Conwy | 2 | 2 | Serious |
| Thu 19 Aug 2010 | Gwynedd | 3 | 1 | Slight |
| Thu 19 Aug 2010 | Conwy | 2 | 1 | Slight |
| Sun 22 Aug 2010 | Conwy | 5 | 1 | Slight |
| Wed 25 Aug 2010 | Isle of Anglesey | 2 | 1 | Slight |
| Sat 4 Sep 2010 | Denbighshire | 2 | 2 | Serious |
| Mon 6 Sep 2010 | Flintshire | 2 | 1 | Slight |
| Tue 7 Sep 2010 | Conwy | 2 | 2 | Slight |
| Tue 7 Sep 2010 | Flintshire | 2 | 2 | Slight |
| Sun 12 Sep 2010 | Conwy | 1 | 1 | Slight |
| Mon 13 Sep 2010 | Cheshire West and Chester | 2 | 1 | Slight |
| Sun 19 Sep 2010 | Cheshire West and Chester | 2 | 2 | Slight |
| Tue 21 Sep 2010 | Cheshire West and Chester | 2 | 2 | Slight |
| Tue 21 Sep 2010 | Gwynedd | 1 | 1 | Slight |
| Sun 26 Sep 2010 | Isle of Anglesey | 3 | 1 | Slight |
| Tue 28 Sep 2010 | Flintshire | 2 | 1 | Slight |
| Wed 29 Sep 2010 | Cheshire West and Chester | 2 | 1 | Slight |
| Sun 3 Oct 2010 | Flintshire | 2 | 6 | Serious |
| Mon 4 Oct 2010 | Denbighshire | 2 | 1 | Slight |
| Mon 4 Oct 2010 | Denbighshire | 2 | 1 | Slight |
| Wed 6 Oct 2010 | Denbighshire | 1 | 1 | Slight |
| Mon 11 Oct 2010 | Isle of Anglesey | 2 | 1 | Slight |
| Wed 13 Oct 2010 | Conwy | 3 | 2 | Slight |
| Sun 17 Oct 2010 | Isle of Anglesey | 1 | 1 | Slight |
| Mon 18 Oct 2010 | Flintshire | 2 | 1 | Slight |
| Tue 19 Oct 2010 | Conwy | 2 | 2 | Slight |
| Tue 19 Oct 2010 | Flintshire | 1 | 3 | Slight |
| Thu 21 Oct 2010 | Flintshire | 4 | 4 | Slight |
| Mon 25 Oct 2010 | Conwy | 2 | 1 | Slight |
| Tue 26 Oct 2010 | Cheshire West and Chester | 2 | 1 | Slight |
| Sun 31 Oct 2010 | Conwy | 1 | 1 | Serious |
| Thu 4 Nov 2010 | Conwy | 2 | 2 | Slight |
| Fri 5 Nov 2010 | Denbighshire | 1 | 1 | Slight |
| Mon 8 Nov 2010 | Flintshire | 2 | 1 | Slight |
| Thu 11 Nov 2010 | Isle of Anglesey | 2 | 1 | Slight |
| Mon 15 Nov 2010 | Gwynedd | 5 | 2 | Slight |
| Tue 16 Nov 2010 | Gwynedd | 2 | 2 | Slight |
| Fri 19 Nov 2010 | Cheshire West and Chester | 2 | 1 | Slight |
| Wed 24 Nov 2010 | Conwy | 2 | 1 | Slight |
| Tue 30 Nov 2010 | Flintshire | 1 | 3 | Serious |
| Thu 2 Dec 2010 | Cheshire West and Chester | 1 | 1 | Slight |
| Sat 4 Dec 2010 | Conwy | 1 | 2 | Serious |
| Mon 6 Dec 2010 | Flintshire | 2 | 2 | Slight |
| Tue 7 Dec 2010 | Isle of Anglesey | 2 | 1 | Slight |
| Tue 7 Dec 2010 | Flintshire | 2 | 1 | Slight |
| Wed 8 Dec 2010 | Cheshire West and Chester | 3 | 3 | Slight |
| Thu 9 Dec 2010 | Conwy | 2 | 1 | Slight |
| Tue 14 Dec 2010 | Flintshire | 4 | 4 | Slight |
| Wed 15 Dec 2010 | Flintshire | 2 | 2 | Slight |
| Wed 15 Dec 2010 | Conwy | 1 | 1 | Slight |
| Fri 24 Dec 2010 | Conwy | 4 | 5 | Serious |
| Mon 27 Dec 2010 | Flintshire | 1 | 1 | Slight |
| Wed 29 Dec 2010 | Flintshire | 1 | 1 | Slight |