Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Sat 1 Jan 2000 | Three Rivers | 2 | 4 | Slight |
| Wed 5 Jan 2000 | Watford | 2 | 2 | Slight |
| Thu 6 Jan 2000 | Three Rivers | 2 | 2 | Serious |
| Mon 17 Jan 2000 | Watford | 2 | 1 | Slight |
| Sat 22 Jan 2000 | Three Rivers | 2 | 1 | Slight |
| Fri 11 Feb 2000 | Watford | 1 | 1 | Serious |
| Sat 12 Feb 2000 | Watford | 1 | 1 | Slight |
| Thu 17 Feb 2000 | Watford | 2 | 1 | Slight |
| Mon 28 Feb 2000 | Three Rivers | 2 | 2 | Slight |
| Fri 3 Mar 2000 | Three Rivers | 4 | 1 | Slight |
| Tue 7 Mar 2000 | Three Rivers | 2 | 2 | Slight |
| Thu 30 Mar 2000 | Watford | 2 | 1 | Slight |
| Mon 3 Apr 2000 | Watford | 3 | 1 | Slight |
| Mon 3 Apr 2000 | Watford | 3 | 1 | Slight |
| Fri 5 May 2000 | Watford | 2 | 1 | Slight |
| Thu 11 May 2000 | Watford | 2 | 1 | Slight |
| Fri 2 Jun 2000 | Watford | 3 | 2 | Slight |
| Sun 18 Jun 2000 | Three Rivers | 3 | 1 | Slight |
| Wed 28 Jun 2000 | Watford | 2 | 1 | Slight |
| Sat 1 Jul 2000 | Watford | 2 | 2 | Serious |
| Sat 1 Jul 2000 | Watford | 2 | 1 | Slight |
| Tue 8 Aug 2000 | Three Rivers | 2 | 1 | Slight |
| Mon 4 Sep 2000 | Watford | 2 | 1 | Slight |
| Mon 4 Sep 2000 | Three Rivers | 2 | 1 | Serious |
| Tue 5 Sep 2000 | Watford | 1 | 1 | Slight |
| Thu 14 Sep 2000 | Three Rivers | 1 | 1 | Slight |
| Sat 23 Sep 2000 | Three Rivers | 1 | 1 | Slight |
| Tue 17 Oct 2000 | Watford | 1 | 1 | Serious |
| Tue 17 Oct 2000 | Watford | 1 | 1 | Slight |
| Tue 17 Oct 2000 | Watford | 1 | 1 | Slight |
| Wed 18 Oct 2000 | Three Rivers | 2 | 1 | Slight |
| Sun 22 Oct 2000 | Three Rivers | 2 | 2 | Slight |
| Wed 25 Oct 2000 | Watford | 2 | 2 | Slight |
| Wed 1 Nov 2000 | Watford | 3 | 1 | Slight |
| Fri 3 Nov 2000 | Three Rivers | 2 | 1 | Slight |
| Mon 27 Nov 2000 | Watford | 3 | 1 | Slight |
| Thu 30 Nov 2000 | Three Rivers | 2 | 5 | Slight |