Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Fri 7 Jan 2000 | East Hertfordshire | 2 | 2 | Slight |
| Fri 7 Jan 2000 | East Hertfordshire | 2 | 3 | Serious |
| Sun 9 Jan 2000 | East Hertfordshire | 1 | 1 | Slight |
| Wed 12 Jan 2000 | Welwyn Hatfield | 1 | 1 | Slight |
| Sun 23 Jan 2000 | East Hertfordshire | 2 | 3 | Slight |
| Thu 2 Mar 2000 | East Hertfordshire | 2 | 2 | Slight |
| Wed 15 Mar 2000 | East Hertfordshire | 2 | 1 | Slight |
| Sat 25 Mar 2000 | East Hertfordshire | 2 | 1 | Slight |
| Sun 2 Apr 2000 | East Hertfordshire | 3 | 1 | Slight |
| Wed 5 Apr 2000 | Welwyn Hatfield | 1 | 1 | Serious |
| Sun 14 May 2000 | Welwyn Hatfield | 2 | 4 | Serious |
| Sat 20 May 2000 | East Hertfordshire | 1 | 1 | Slight |
| Sat 20 May 2000 | East Hertfordshire | 1 | 2 | Serious |
| Wed 14 Jun 2000 | East Hertfordshire | 2 | 2 | Slight |
| Sat 24 Jun 2000 | Welwyn Hatfield | 2 | 1 | Slight |
| Fri 28 Jul 2000 | East Hertfordshire | 1 | 1 | Slight |
| Sun 30 Jul 2000 | East Hertfordshire | 2 | 1 | Serious |
| Mon 7 Aug 2000 | Welwyn Hatfield | 2 | 2 | Slight |
| Sun 27 Aug 2000 | Welwyn Hatfield | 3 | 5 | Serious |
| Mon 4 Sep 2000 | East Hertfordshire | 2 | 2 | Slight |
| Fri 15 Sep 2000 | East Hertfordshire | 1 | 1 | Slight |
| Mon 2 Oct 2000 | East Hertfordshire | 2 | 2 | Slight |
| Thu 12 Oct 2000 | East Hertfordshire | 3 | 2 | Slight |
| Thu 9 Nov 2000 | Welwyn Hatfield | 1 | 1 | Slight |
| Sat 11 Nov 2000 | East Hertfordshire | 1 | 4 | Serious |
| Thu 16 Nov 2000 | East Hertfordshire | 1 | 2 | Serious |
| Tue 21 Nov 2000 | East Hertfordshire | 2 | 2 | Slight |