Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Sun 3 Feb 2013 | Welwyn Hatfield | 1 | 1 | Slight |
| Sun 3 Feb 2013 | Welwyn Hatfield | 1 | 1 | Slight |
| Mon 15 Apr 2013 | Welwyn Hatfield | 2 | 1 | Serious |
| Fri 3 May 2013 | Welwyn Hatfield | 2 | 1 | Slight |
| Mon 13 May 2013 | Welwyn Hatfield | 2 | 1 | Slight |
| Thu 25 Jul 2013 | Welwyn Hatfield | 3 | 1 | Slight |
| Thu 19 Sep 2013 | Welwyn Hatfield | 2 | 2 | Slight |
| Mon 21 Oct 2013 | Welwyn Hatfield | 1 | 1 | Slight |
| Fri 20 Dec 2013 | Welwyn Hatfield | 2 | 1 | Slight |