Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Mon 10 Jan 2011 | East Hertfordshire | 2 | 1 | Slight |
| Sun 23 Jan 2011 | Welwyn Hatfield | 1 | 1 | Slight |
| Tue 1 Feb 2011 | East Hertfordshire | 2 | 2 | Slight |
| Wed 2 Feb 2011 | East Hertfordshire | 1 | 1 | Slight |
| Sun 24 Apr 2011 | Welwyn Hatfield | 2 | 2 | Slight |
| Fri 20 May 2011 | East Hertfordshire | 2 | 1 | Slight |
| Fri 3 Jun 2011 | Welwyn Hatfield | 2 | 1 | Slight |
| Sat 25 Jun 2011 | Welwyn Hatfield | 1 | 2 | Slight |
| Thu 7 Jul 2011 | East Hertfordshire | 1 | 1 | Slight |
| Mon 11 Jul 2011 | East Hertfordshire | 2 | 1 | Slight |
| Sat 23 Jul 2011 | East Hertfordshire | 2 | 1 | Slight |
| Wed 14 Sep 2011 | Welwyn Hatfield | 2 | 1 | Serious |
| Mon 10 Oct 2011 | East Hertfordshire | 2 | 1 | Slight |
| Tue 22 Nov 2011 | East Hertfordshire | 1 | 2 | Slight |
| Sat 3 Dec 2011 | East Hertfordshire | 1 | 1 | Slight |
| Sun 18 Dec 2011 | East Hertfordshire | 1 | 1 | Slight |