Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Mon 20 Feb 2012 | Three Rivers | 2 | 1 | Slight |
| Tue 21 Feb 2012 | Three Rivers | 3 | 1 | Slight |
| Wed 22 Feb 2012 | Hillingdon | 2 | 2 | Serious |
| Sat 28 Apr 2012 | Three Rivers | 1 | 1 | Slight |
| Thu 3 May 2012 | Watford | 1 | 1 | Slight |
| Sat 19 May 2012 | Three Rivers | 2 | 2 | Serious |
| Wed 6 Jun 2012 | Three Rivers | 3 | 1 | Slight |
| Thu 21 Jun 2012 | Three Rivers | 2 | 2 | Slight |
| Fri 20 Jul 2012 | Hillingdon | 2 | 1 | Slight |
| Tue 24 Jul 2012 | Three Rivers | 3 | 3 | Slight |
| Wed 25 Jul 2012 | Watford | 2 | 1 | Slight |
| Wed 5 Sep 2012 | Three Rivers | 2 | 1 | Slight |
| Tue 11 Sep 2012 | Hillingdon | 2 | 1 | Slight |
| Sat 6 Oct 2012 | Watford | 3 | 1 | Slight |
| Fri 19 Oct 2012 | Watford | 1 | 1 | Slight |
| Fri 19 Oct 2012 | Watford | 2 | 1 | Serious |