Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Tue 3 Jan 2012 | Hertsmere | 1 | 1 | Serious |
| Wed 1 Feb 2012 | Hertsmere | 1 | 1 | Serious |
| Wed 1 Feb 2012 | Hertsmere | 1 | 1 | Serious |
| Fri 23 Mar 2012 | Hertsmere | 4 | 1 | Slight |
| Thu 19 Apr 2012 | Hertsmere | 2 | 1 | Slight |
| Thu 10 May 2012 | Hertsmere | 1 | 1 | Slight |
| Thu 17 May 2012 | Hertsmere | 2 | 2 | Slight |
| Sun 3 Jun 2012 | Hertsmere | 1 | 1 | Slight |
| Sat 16 Jun 2012 | Hertsmere | 3 | 2 | Slight |
| Sun 1 Jul 2012 | Hertsmere | 2 | 1 | Slight |
| Tue 24 Jul 2012 | Hertsmere | 2 | 1 | Slight |
| Tue 7 Aug 2012 | Hertsmere | 1 | 1 | Slight |
| Wed 8 Aug 2012 | Hertsmere | 2 | 2 | Slight |
| Thu 23 Aug 2012 | Hertsmere | 2 | 2 | Slight |
| Sat 6 Oct 2012 | Hertsmere | 2 | 1 | Slight |
| Tue 9 Oct 2012 | Hertsmere | 2 | 1 | Slight |
| Tue 13 Nov 2012 | Hertsmere | 1 | 1 | Slight |
| Wed 14 Nov 2012 | Hertsmere | 2 | 2 | Serious |
| Tue 20 Nov 2012 | St. Albans | 2 | 1 | Slight |
| Mon 17 Dec 2012 | St. Albans | 2 | 1 | Fatal |
| Tue 18 Dec 2012 | Hertsmere | 2 | 1 | Slight |