Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Mon 25 Jan 2010 | Welwyn Hatfield | 1 | 1 | Slight |
| Sat 30 Jan 2010 | Welwyn Hatfield | 2 | 2 | Slight |
| Mon 8 Feb 2010 | Welwyn Hatfield | 2 | 1 | Slight |
| Mon 8 Feb 2010 | Welwyn Hatfield | 1 | 1 | Slight |
| Wed 10 Feb 2010 | Welwyn Hatfield | 2 | 2 | Slight |
| Thu 25 Feb 2010 | Welwyn Hatfield | 2 | 3 | Slight |
| Sat 27 Feb 2010 | Welwyn Hatfield | 2 | 2 | Slight |
| Mon 8 Mar 2010 | Stevenage | 2 | 3 | Slight |
| Wed 10 Mar 2010 | Stevenage | 4 | 1 | Slight |
| Mon 12 Apr 2010 | Welwyn Hatfield | 2 | 1 | Slight |
| Thu 22 Apr 2010 | North Hertfordshire | 2 | 1 | Serious |
| Wed 5 May 2010 | Welwyn Hatfield | 2 | 1 | Slight |
| Wed 12 May 2010 | North Hertfordshire | 1 | 1 | Slight |
| Fri 14 May 2010 | North Hertfordshire | 1 | 1 | Serious |
| Thu 27 May 2010 | Welwyn Hatfield | 1 | 1 | Slight |
| Wed 9 Jun 2010 | North Hertfordshire | 2 | 1 | Slight |
| Tue 15 Jun 2010 | Stevenage | 2 | 1 | Slight |
| Wed 23 Jun 2010 | Stevenage | 2 | 1 | Slight |
| Fri 25 Jun 2010 | Welwyn Hatfield | 1 | 1 | Slight |
| Wed 4 Aug 2010 | Stevenage | 2 | 1 | Slight |
| Sat 7 Aug 2010 | Stevenage | 2 | 2 | Slight |
| Sat 7 Aug 2010 | Stevenage | 2 | 2 | Slight |
| Sun 22 Aug 2010 | North Hertfordshire | 1 | 1 | Slight |
| Sun 22 Aug 2010 | North Hertfordshire | 1 | 1 | Slight |
| Sun 22 Aug 2010 | Welwyn Hatfield | 2 | 1 | Slight |
| Tue 7 Sep 2010 | Stevenage | 2 | 3 | Serious |
| Thu 16 Sep 2010 | North Hertfordshire | 2 | 1 | Slight |
| Sat 25 Sep 2010 | Welwyn Hatfield | 2 | 3 | Serious |
| Mon 27 Sep 2010 | Welwyn Hatfield | 1 | 2 | Serious |
| Sun 10 Oct 2010 | Stevenage | 2 | 1 | Slight |
| Thu 21 Oct 2010 | North Hertfordshire | 2 | 2 | Slight |
| Tue 26 Oct 2010 | Welwyn Hatfield | 4 | 1 | Slight |
| Sun 31 Oct 2010 | North Hertfordshire | 1 | 1 | Slight |
| Fri 10 Dec 2010 | Welwyn Hatfield | 2 | 2 | Slight |
| Mon 13 Dec 2010 | Stevenage | 2 | 1 | Slight |
| Thu 16 Dec 2010 | North Hertfordshire | 2 | 3 | Slight |