Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Thu 19 Jan 2006 | Welwyn Hatfield | 2 | 2 | Slight |
| Sun 22 Jan 2006 | North Hertfordshire | 2 | 1 | Slight |
| Tue 24 Jan 2006 | Welwyn Hatfield | 2 | 1 | Slight |
| Sat 11 Feb 2006 | North Hertfordshire | 1 | 1 | Slight |
| Sat 11 Feb 2006 | North Hertfordshire | 1 | 1 | Slight |
| Wed 1 Mar 2006 | North Hertfordshire | 1 | 1 | Slight |
| Sat 1 Apr 2006 | North Hertfordshire | 3 | 1 | Slight |
| Thu 13 Apr 2006 | North Hertfordshire | 2 | 2 | Slight |
| Sat 29 Apr 2006 | North Hertfordshire | 2 | 1 | Slight |
| Sat 29 Apr 2006 | Welwyn Hatfield | 2 | 1 | Slight |
| Tue 2 May 2006 | Welwyn Hatfield | 4 | 1 | Slight |
| Wed 3 May 2006 | Welwyn Hatfield | 3 | 2 | Slight |
| Mon 8 May 2006 | Welwyn Hatfield | 2 | 1 | Slight |
| Mon 15 May 2006 | Welwyn Hatfield | 2 | 1 | Slight |
| Sat 20 May 2006 | Welwyn Hatfield | 2 | 2 | Slight |
| Wed 7 Jun 2006 | Welwyn Hatfield | 3 | 2 | Serious |
| Sun 18 Jun 2006 | Welwyn Hatfield | 2 | 2 | Slight |
| Sun 18 Jun 2006 | North Hertfordshire | 1 | 1 | Serious |
| Mon 10 Jul 2006 | Welwyn Hatfield | 2 | 1 | Slight |
| Sun 30 Jul 2006 | Welwyn Hatfield | 2 | 1 | Slight |
| Mon 31 Jul 2006 | Welwyn Hatfield | 2 | 1 | Slight |
| Thu 17 Aug 2006 | North Hertfordshire | 2 | 1 | Slight |
| Sun 3 Sep 2006 | North Hertfordshire | 2 | 2 | Serious |
| Mon 18 Sep 2006 | North Hertfordshire | 3 | 3 | Slight |
| Tue 26 Sep 2006 | North Hertfordshire | 2 | 1 | Slight |
| Tue 26 Sep 2006 | North Hertfordshire | 2 | 1 | Slight |
| Tue 3 Oct 2006 | Welwyn Hatfield | 1 | 1 | Serious |
| Wed 11 Oct 2006 | Welwyn Hatfield | 1 | 1 | Slight |
| Sat 14 Oct 2006 | Welwyn Hatfield | 1 | 1 | Slight |
| Wed 18 Oct 2006 | Stevenage | 2 | 2 | Slight |
| Sat 28 Oct 2006 | Welwyn Hatfield | 1 | 1 | Slight |
| Tue 31 Oct 2006 | North Hertfordshire | 2 | 5 | Slight |
| Tue 31 Oct 2006 | North Hertfordshire | 2 | 5 | Slight |
| Mon 6 Nov 2006 | Welwyn Hatfield | 3 | 2 | Slight |
| Mon 6 Nov 2006 | Stevenage | 3 | 2 | Slight |
| Mon 13 Nov 2006 | North Hertfordshire | 2 | 3 | Slight |
| Thu 16 Nov 2006 | Stevenage | 2 | 1 | Slight |
| Tue 21 Nov 2006 | Welwyn Hatfield | 2 | 1 | Serious |
| Tue 21 Nov 2006 | Stevenage | 2 | 1 | Slight |
| Sun 26 Nov 2006 | Welwyn Hatfield | 1 | 1 | Slight |
| Tue 28 Nov 2006 | North Hertfordshire | 1 | 2 | Serious |
| Mon 4 Dec 2006 | North Hertfordshire | 2 | 2 | Slight |
| Mon 4 Dec 2006 | Welwyn Hatfield | 2 | 2 | Slight |
| Sun 10 Dec 2006 | Stevenage | 2 | 3 | Slight |
| Sun 17 Dec 2006 | Stevenage | 2 | 2 | Slight |
| Wed 20 Dec 2006 | Welwyn Hatfield | 2 | 3 | Slight |
| Thu 21 Dec 2006 | North Hertfordshire | 2 | 1 | Slight |