Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Wed 4 Jan 2012 | St. Albans | 1 | 1 | Slight |
| Thu 5 Jan 2012 | St. Albans | 2 | 1 | Slight |
| Sat 14 Jan 2012 | St. Albans | 2 | 1 | Slight |
| Sun 15 Jan 2012 | St. Albans | 3 | 1 | Slight |
| Mon 30 Jan 2012 | St. Albans | 4 | 1 | Slight |
| Wed 1 Feb 2012 | St. Albans | 2 | 1 | Slight |
| Sat 4 Feb 2012 | St. Albans | 3 | 1 | Slight |
| Fri 10 Feb 2012 | St. Albans | 1 | 1 | Slight |
| Sat 11 Feb 2012 | St. Albans | 1 | 1 | Serious |
| Sat 11 Feb 2012 | St. Albans | 1 | 1 | Slight |
| Wed 15 Feb 2012 | St. Albans | 1 | 1 | Fatal |
| Sun 4 Mar 2012 | Hertsmere | 2 | 1 | Serious |
| Sun 4 Mar 2012 | Hertsmere | 2 | 1 | Serious |
| Thu 8 Mar 2012 | Hertsmere | 1 | 1 | Serious |
| Mon 12 Mar 2012 | Barnet | 2 | 1 | Slight |
| Fri 23 Mar 2012 | Barnet | 2 | 1 | Slight |
| Sun 25 Mar 2012 | St. Albans | 2 | 1 | Slight |
| Tue 27 Mar 2012 | St. Albans | 2 | 1 | Slight |
| Sun 1 Apr 2012 | Luton | 2 | 1 | Slight |
| Mon 23 Apr 2012 | St. Albans | 2 | 1 | Slight |
| Thu 26 Apr 2012 | Barnet | 2 | 1 | Slight |
| Wed 2 May 2012 | St. Albans | 1 | 1 | Slight |
| Fri 4 May 2012 | Central Bedfordshire | 2 | 1 | Slight |
| Wed 9 May 2012 | Central Bedfordshire | 2 | 1 | Slight |
| Wed 9 May 2012 | Central Bedfordshire | 2 | 1 | Slight |
| Wed 23 May 2012 | Central Bedfordshire | 2 | 1 | Slight |
| Thu 31 May 2012 | St. Albans | 1 | 1 | Serious |
| Tue 5 Jun 2012 | Barnet | 2 | 1 | Slight |
| Wed 13 Jun 2012 | St. Albans | 2 | 1 | Slight |
| Wed 20 Jun 2012 | Central Bedfordshire | 2 | 1 | Slight |
| Sun 24 Jun 2012 | St. Albans | 2 | 1 | Slight |
| Sat 30 Jun 2012 | St. Albans | 2 | 1 | Slight |
| Sun 1 Jul 2012 | Hertsmere | 2 | 1 | Slight |
| Sat 7 Jul 2012 | St. Albans | 2 | 2 | Slight |
| Fri 13 Jul 2012 | Luton | 2 | 6 | Slight |
| Sat 14 Jul 2012 | Hertsmere | 2 | 2 | Slight |
| Fri 20 Jul 2012 | St. Albans | 2 | 1 | Serious |
| Thu 26 Jul 2012 | St. Albans | 2 | 1 | Slight |
| Tue 31 Jul 2012 | St. Albans | 2 | 1 | Slight |
| Sun 12 Aug 2012 | St. Albans | 2 | 2 | Slight |
| Mon 13 Aug 2012 | St. Albans | 1 | 1 | Slight |
| Sun 19 Aug 2012 | St. Albans | 2 | 2 | Slight |
| Tue 21 Aug 2012 | Luton | 2 | 1 | Slight |
| Tue 28 Aug 2012 | Luton | 2 | 1 | Slight |
| Tue 28 Aug 2012 | St. Albans | 4 | 1 | Slight |
| Sat 8 Sep 2012 | Luton | 4 | 1 | Slight |
| Fri 14 Sep 2012 | St. Albans | 1 | 1 | Slight |
| Sun 23 Sep 2012 | St. Albans | 2 | 1 | Slight |
| Thu 27 Sep 2012 | St. Albans | 3 | 2 | Slight |
| Sun 30 Sep 2012 | Luton | 2 | 2 | Slight |
| Fri 5 Oct 2012 | Barnet | 2 | 1 | Slight |
| Sun 14 Oct 2012 | Central Bedfordshire | 2 | 1 | Slight |
| Mon 15 Oct 2012 | Central Bedfordshire | 2 | 2 | Slight |
| Wed 24 Oct 2012 | St. Albans | 2 | 1 | Slight |
| Wed 31 Oct 2012 | St. Albans | 1 | 1 | Serious |
| Fri 2 Nov 2012 | Central Bedfordshire | 2 | 2 | Slight |
| Mon 5 Nov 2012 | St. Albans | 2 | 1 | Slight |
| Wed 7 Nov 2012 | St. Albans | 1 | 1 | Slight |
| Thu 8 Nov 2012 | St. Albans | 2 | 1 | Slight |
| Sat 10 Nov 2012 | Hertsmere | 2 | 2 | Slight |
| Sat 10 Nov 2012 | Hertsmere | 2 | 2 | Slight |
| Wed 14 Nov 2012 | Barnet | 3 | 1 | Slight |
| Thu 22 Nov 2012 | Luton | 2 | 1 | Slight |
| Fri 30 Nov 2012 | Hertsmere | 1 | 1 | Slight |
| Sat 8 Dec 2012 | Luton | 2 | 1 | Slight |
| Sat 8 Dec 2012 | Luton | 2 | 1 | Slight |
| Sat 8 Dec 2012 | Central Bedfordshire | 2 | 2 | Serious |
| Thu 13 Dec 2012 | St. Albans | 2 | 1 | Slight |
| Mon 17 Dec 2012 | Hertsmere | 2 | 1 | Slight |
| Mon 17 Dec 2012 | Hertsmere | 2 | 1 | Slight |
| Fri 21 Dec 2012 | St. Albans | 2 | 1 | Slight |
| Sat 29 Dec 2012 | Luton | 2 | 1 | Slight |