Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Thu 4 Jan 2001 | Welwyn Hatfield | 2 | 3 | Serious |
| Fri 12 Jan 2001 | Welwyn Hatfield | 2 | 2 | Slight |
| Mon 5 Mar 2001 | East Hertfordshire | 2 | 1 | Slight |
| Tue 13 Mar 2001 | Welwyn Hatfield | 2 | 2 | Slight |
| Tue 20 Mar 2001 | Welwyn Hatfield | 1 | 2 | Slight |
| Fri 23 Mar 2001 | East Hertfordshire | 2 | 1 | Slight |
| Mon 26 Mar 2001 | Welwyn Hatfield | 1 | 1 | Serious |
| Tue 8 May 2001 | East Hertfordshire | 2 | 1 | Serious |
| Tue 15 May 2001 | Welwyn Hatfield | 2 | 1 | Slight |
| Tue 5 Jun 2001 | Welwyn Hatfield | 2 | 2 | Slight |
| Fri 13 Jul 2001 | Welwyn Hatfield | 1 | 1 | Serious |
| Thu 13 Sep 2001 | Welwyn Hatfield | 2 | 1 | Serious |
| Thu 27 Sep 2001 | Welwyn Hatfield | 2 | 1 | Slight |
| Mon 15 Oct 2001 | East Hertfordshire | 4 | 2 | Slight |
| Thu 18 Oct 2001 | Welwyn Hatfield | 4 | 2 | Slight |
| Tue 23 Oct 2001 | Welwyn Hatfield | 2 | 2 | Slight |
| Mon 26 Nov 2001 | Welwyn Hatfield | 2 | 1 | Slight |
| Wed 28 Nov 2001 | Welwyn Hatfield | 2 | 1 | Slight |
| Tue 11 Dec 2001 | Welwyn Hatfield | 2 | 1 | Slight |
| Sat 22 Dec 2001 | Welwyn Hatfield | 2 | 1 | Slight |