Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Wed 12 Jan 2011 | St. Albans | 2 | 3 | Slight |
| Wed 12 Jan 2011 | St. Albans | 2 | 3 | Slight |
| Fri 21 Jan 2011 | North Hertfordshire | 2 | 3 | Slight |
| Thu 3 Feb 2011 | North Hertfordshire | 1 | 1 | Serious |
| Thu 10 Mar 2011 | St. Albans | 1 | 1 | Slight |
| Tue 5 Apr 2011 | St. Albans | 1 | 1 | Slight |
| Mon 11 Apr 2011 | St. Albans | 2 | 1 | Slight |
| Tue 12 Apr 2011 | St. Albans | 1 | 1 | Slight |
| Fri 13 May 2011 | North Hertfordshire | 1 | 2 | Slight |
| Thu 2 Jun 2011 | St. Albans | 2 | 1 | Slight |
| Wed 8 Jun 2011 | North Hertfordshire | 1 | 1 | Slight |
| Sat 18 Jun 2011 | St. Albans | 2 | 2 | Fatal |
| Tue 28 Jun 2011 | St. Albans | 2 | 1 | Slight |
| Thu 11 Aug 2011 | St. Albans | 2 | 1 | Slight |
| Fri 12 Aug 2011 | North Hertfordshire | 2 | 1 | Serious |
| Sun 25 Sep 2011 | St. Albans | 2 | 1 | Serious |
| Mon 3 Oct 2011 | St. Albans | 2 | 1 | Slight |
| Thu 6 Oct 2011 | St. Albans | 2 | 1 | Slight |
| Wed 2 Nov 2011 | St. Albans | 2 | 1 | Slight |
| Tue 6 Dec 2011 | St. Albans | 2 | 1 | Serious |
| Mon 12 Dec 2011 | St. Albans | 2 | 1 | Slight |
| Wed 21 Dec 2011 | St. Albans | 1 | 1 | Slight |