Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Thu 9 Feb 2012 | Welwyn Hatfield | 3 | 3 | Slight |
| Mon 16 Apr 2012 | Welwyn Hatfield | 1 | 1 | Slight |
| Mon 21 May 2012 | Welwyn Hatfield | 2 | 2 | Slight |
| Mon 21 May 2012 | Welwyn Hatfield | 2 | 2 | Slight |
| Sat 2 Jun 2012 | Welwyn Hatfield | 3 | 2 | Slight |
| Mon 11 Jun 2012 | Welwyn Hatfield | 2 | 1 | Slight |
| Mon 11 Jun 2012 | Welwyn Hatfield | 2 | 1 | Slight |
| Fri 15 Jun 2012 | East Hertfordshire | 2 | 1 | Slight |
| Fri 2 Nov 2012 | Welwyn Hatfield | 2 | 1 | Serious |
| Fri 2 Nov 2012 | Welwyn Hatfield | 2 | 1 | Serious |
| Thu 8 Nov 2012 | East Hertfordshire | 2 | 1 | Slight |
| Thu 22 Nov 2012 | Welwyn Hatfield | 2 | 1 | Slight |
| Thu 22 Nov 2012 | Welwyn Hatfield | 2 | 1 | Slight |