Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Fri 6 Jan 2012 | Welwyn Hatfield | 1 | 1 | Serious |
| Mon 23 Jan 2012 | Welwyn Hatfield | 3 | 2 | Slight |
| Sun 5 Feb 2012 | Welwyn Hatfield | 2 | 1 | Slight |
| Sun 5 Feb 2012 | Welwyn Hatfield | 2 | 1 | Slight |
| Fri 13 Apr 2012 | Welwyn Hatfield | 3 | 3 | Slight |
| Mon 30 Jul 2012 | Welwyn Hatfield | 2 | 1 | Slight |
| Fri 17 Aug 2012 | Welwyn Hatfield | 2 | 5 | Slight |
| Fri 17 Aug 2012 | Welwyn Hatfield | 2 | 5 | Slight |
| Thu 20 Sep 2012 | Welwyn Hatfield | 2 | 1 | Slight |
| Mon 22 Oct 2012 | Welwyn Hatfield | 2 | 1 | Slight |
| Sun 28 Oct 2012 | Welwyn Hatfield | 2 | 1 | Slight |
| Sun 28 Oct 2012 | Welwyn Hatfield | 2 | 1 | Slight |
| Tue 30 Oct 2012 | Welwyn Hatfield | 2 | 3 | Slight |
| Thu 29 Nov 2012 | Welwyn Hatfield | 2 | 1 | Slight |