Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Tue 3 Jan 2012 | St. Albans | 2 | 1 | Slight |
| Thu 26 Jan 2012 | Hertsmere | 2 | 1 | Slight |
| Fri 27 Jan 2012 | St. Albans | 2 | 1 | Slight |
| Sat 11 Feb 2012 | St. Albans | 1 | 1 | Slight |
| Wed 29 Feb 2012 | St. Albans | 2 | 1 | Serious |
| Tue 13 Mar 2012 | Hertsmere | 1 | 1 | Slight |
| Sat 17 Mar 2012 | St. Albans | 2 | 1 | Serious |
| Mon 19 Mar 2012 | Hertsmere | 1 | 1 | Slight |
| Fri 30 Mar 2012 | St. Albans | 2 | 2 | Slight |
| Fri 27 Apr 2012 | Hertsmere | 2 | 1 | Slight |
| Tue 8 May 2012 | Hertsmere | 2 | 2 | Serious |
| Wed 9 May 2012 | Hertsmere | 2 | 2 | Slight |
| Fri 18 May 2012 | St. Albans | 2 | 1 | Slight |
| Mon 21 May 2012 | St. Albans | 3 | 1 | Slight |
| Wed 23 May 2012 | Hertsmere | 4 | 1 | Slight |
| Thu 31 May 2012 | Hertsmere | 1 | 1 | Slight |
| Fri 15 Jun 2012 | St. Albans | 2 | 1 | Slight |
| Mon 18 Jun 2012 | Hertsmere | 3 | 1 | Slight |
| Tue 19 Jun 2012 | St. Albans | 2 | 1 | Slight |
| Thu 28 Jun 2012 | St. Albans | 2 | 1 | Slight |
| Tue 10 Jul 2012 | St. Albans | 2 | 1 | Slight |
| Sat 28 Jul 2012 | St. Albans | 2 | 1 | Slight |
| Fri 10 Aug 2012 | St. Albans | 2 | 1 | Slight |
| Mon 13 Aug 2012 | St. Albans | 2 | 1 | Slight |
| Thu 23 Aug 2012 | St. Albans | 2 | 1 | Slight |
| Mon 27 Aug 2012 | Hertsmere | 2 | 1 | Slight |
| Sun 2 Sep 2012 | Hertsmere | 1 | 1 | Slight |
| Sun 2 Sep 2012 | Hertsmere | 1 | 1 | Slight |
| Thu 6 Sep 2012 | St. Albans | 2 | 1 | Slight |
| Sun 9 Sep 2012 | St. Albans | 2 | 1 | Slight |
| Thu 13 Sep 2012 | St. Albans | 2 | 1 | Slight |
| Fri 14 Sep 2012 | Hertsmere | 2 | 1 | Slight |
| Sat 15 Sep 2012 | Hertsmere | 2 | 1 | Slight |
| Wed 19 Sep 2012 | St. Albans | 2 | 1 | Slight |
| Sun 30 Sep 2012 | St. Albans | 2 | 1 | Slight |
| Thu 4 Oct 2012 | St. Albans | 2 | 1 | Slight |
| Tue 13 Nov 2012 | St. Albans | 1 | 1 | Slight |
| Tue 27 Nov 2012 | St. Albans | 2 | 1 | Slight |
| Thu 29 Nov 2012 | Hertsmere | 1 | 1 | Slight |