Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Sat 16 Feb 2013 | Isle of Anglesey | 1 | 1 | Serious |
| Wed 6 Mar 2013 | Isle of Anglesey | 3 | 2 | Slight |
| Sat 16 Mar 2013 | Isle of Anglesey | 1 | 2 | Fatal |
| Sun 17 Mar 2013 | Isle of Anglesey | 1 | 1 | Slight |
| Fri 22 Mar 2013 | Isle of Anglesey | 1 | 1 | Slight |
| Sun 21 Apr 2013 | Isle of Anglesey | 1 | 2 | Slight |
| Fri 10 May 2013 | Isle of Anglesey | 2 | 2 | Slight |
| Fri 26 Jul 2013 | Isle of Anglesey | 2 | 2 | Slight |
| Fri 16 Aug 2013 | Isle of Anglesey | 3 | 1 | Slight |
| Fri 4 Oct 2013 | Isle of Anglesey | 3 | 2 | Slight |
| Mon 14 Oct 2013 | Isle of Anglesey | 2 | 1 | Slight |
| Wed 27 Nov 2013 | Isle of Anglesey | 2 | 3 | Slight |
| Mon 2 Dec 2013 | Isle of Anglesey | 2 | 2 | Slight |
| Thu 26 Dec 2013 | Isle of Anglesey | 1 | 2 | Slight |