Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Tue 4 Jan 2011 | Dacorum | 1 | 1 | Serious |
| Mon 7 Feb 2011 | Dacorum | 1 | 1 | Slight |
| Wed 9 Feb 2011 | Dacorum | 2 | 1 | Slight |
| Thu 10 Feb 2011 | Dacorum | 2 | 1 | Slight |
| Thu 10 Feb 2011 | Dacorum | 2 | 1 | Slight |
| Thu 24 Feb 2011 | Dacorum | 2 | 1 | Serious |
| Wed 2 Mar 2011 | Dacorum | 1 | 2 | Slight |
| Mon 7 Mar 2011 | Dacorum | 2 | 1 | Slight |
| Fri 18 Mar 2011 | Dacorum | 2 | 2 | Slight |
| Sun 20 Mar 2011 | Dacorum | 2 | 2 | Slight |
| Sat 26 Mar 2011 | Dacorum | 2 | 1 | Slight |
| Wed 20 Apr 2011 | Dacorum | 2 | 2 | Slight |
| Tue 26 Apr 2011 | Dacorum | 2 | 2 | Slight |
| Thu 12 May 2011 | Dacorum | 1 | 2 | Slight |
| Thu 16 Jun 2011 | Dacorum | 3 | 2 | Serious |
| Wed 29 Jun 2011 | Dacorum | 2 | 2 | Slight |
| Fri 1 Jul 2011 | Dacorum | 1 | 1 | Serious |
| Tue 5 Jul 2011 | Dacorum | 1 | 1 | Serious |
| Wed 6 Jul 2011 | Dacorum | 2 | 1 | Serious |
| Mon 1 Aug 2011 | Dacorum | 2 | 1 | Slight |
| Sun 28 Aug 2011 | Dacorum | 4 | 5 | Serious |
| Fri 2 Sep 2011 | Dacorum | 1 | 2 | Slight |
| Tue 6 Sep 2011 | Dacorum | 2 | 1 | Slight |
| Fri 9 Sep 2011 | Dacorum | 2 | 2 | Slight |
| Sun 18 Sep 2011 | Dacorum | 3 | 1 | Slight |
| Tue 11 Oct 2011 | Dacorum | 2 | 1 | Slight |
| Mon 17 Oct 2011 | Dacorum | 2 | 1 | Serious |
| Tue 18 Oct 2011 | Dacorum | 2 | 1 | Slight |
| Wed 19 Oct 2011 | Dacorum | 2 | 2 | Slight |
| Sat 22 Oct 2011 | Dacorum | 1 | 1 | Slight |
| Sat 29 Oct 2011 | Dacorum | 2 | 1 | Slight |
| Sat 29 Oct 2011 | Dacorum | 2 | 1 | Slight |
| Sat 5 Nov 2011 | Dacorum | 1 | 3 | Slight |
| Fri 11 Nov 2011 | Dacorum | 3 | 2 | Slight |
| Thu 24 Nov 2011 | Dacorum | 2 | 2 | Slight |
| Thu 24 Nov 2011 | Dacorum | 2 | 2 | Slight |
| Fri 16 Dec 2011 | Dacorum | 2 | 1 | Slight |
| Sat 17 Dec 2011 | Dacorum | 1 | 1 | Slight |
| Sun 18 Dec 2011 | Dacorum | 1 | 1 | Slight |