Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Sun 2 Jan 2000 | Three Rivers | 2 | 1 | Slight |
| Sun 2 Jan 2000 | Watford | 2 | 4 | Slight |
| Thu 6 Jan 2000 | South Bucks | 2 | 1 | Slight |
| Thu 6 Jan 2000 | Watford | 2 | 2 | Serious |
| Fri 7 Jan 2000 | Watford | 2 | 1 | Slight |
| Wed 12 Jan 2000 | Watford | 2 | 1 | Slight |
| Thu 13 Jan 2000 | South Bucks | 2 | 1 | Slight |
| Thu 13 Jan 2000 | South Bucks | 3 | 2 | Slight |
| Mon 17 Jan 2000 | Three Rivers | 2 | 1 | Slight |
| Mon 17 Jan 2000 | Three Rivers | 2 | 1 | Slight |
| Mon 17 Jan 2000 | Watford | 2 | 1 | Slight |
| Tue 18 Jan 2000 | Slough | 2 | 1 | Slight |
| Wed 19 Jan 2000 | South Bucks | 2 | 2 | Slight |
| Fri 21 Jan 2000 | Watford | 1 | 1 | Slight |
| Fri 21 Jan 2000 | South Bucks | 1 | 1 | Slight |
| Sat 22 Jan 2000 | South Bucks | 1 | 1 | Slight |
| Sat 22 Jan 2000 | South Bucks | 1 | 1 | Slight |
| Sat 22 Jan 2000 | South Bucks | 2 | 1 | Fatal |
| Sun 23 Jan 2000 | Watford | 2 | 1 | Slight |
| Sun 23 Jan 2000 | Watford | 3 | 3 | Slight |
| Thu 27 Jan 2000 | Watford | 5 | 4 | Slight |
| Fri 28 Jan 2000 | South Bucks | 3 | 1 | Slight |
| Wed 2 Feb 2000 | Watford | 2 | 1 | Slight |
| Fri 4 Feb 2000 | Watford | 4 | 1 | Slight |
| Sat 5 Feb 2000 | Watford | 1 | 1 | Slight |
| Mon 7 Feb 2000 | South Bucks | 2 | 1 | Slight |
| Mon 7 Feb 2000 | Three Rivers | 1 | 2 | Serious |
| Mon 7 Feb 2000 | Three Rivers | 1 | 2 | Serious |
| Tue 22 Feb 2000 | Watford | 4 | 1 | Slight |
| Sat 26 Feb 2000 | Three Rivers | 2 | 2 | Slight |
| Thu 2 Mar 2000 | Watford | 2 | 3 | Serious |
| Fri 3 Mar 2000 | Three Rivers | 2 | 1 | Slight |
| Fri 3 Mar 2000 | Three Rivers | 2 | 1 | Slight |
| Sat 4 Mar 2000 | Watford | 2 | 1 | Serious |
| Wed 8 Mar 2000 | Watford | 2 | 2 | Slight |
| Thu 9 Mar 2000 | Watford | 2 | 1 | Slight |
| Thu 9 Mar 2000 | Watford | 2 | 3 | Slight |
| Wed 22 Mar 2000 | Slough | 2 | 1 | Slight |
| Thu 23 Mar 2000 | Watford | 1 | 1 | Slight |
| Fri 24 Mar 2000 | Watford | 2 | 1 | Slight |
| Sat 1 Apr 2000 | Slough | 2 | 1 | Slight |
| Tue 4 Apr 2000 | Slough | 2 | 1 | Slight |
| Tue 4 Apr 2000 | South Bucks | 2 | 1 | Slight |
| Tue 11 Apr 2000 | Watford | 2 | 1 | Slight |
| Wed 12 Apr 2000 | Three Rivers | 4 | 1 | Slight |
| Wed 12 Apr 2000 | South Bucks | 2 | 1 | Slight |
| Wed 12 Apr 2000 | Watford | 2 | 1 | Slight |
| Fri 14 Apr 2000 | South Bucks | 2 | 1 | Slight |
| Tue 18 Apr 2000 | South Bucks | 3 | 1 | Serious |
| Tue 18 Apr 2000 | Watford | 2 | 1 | Slight |
| Tue 18 Apr 2000 | South Bucks | 2 | 3 | Slight |
| Wed 19 Apr 2000 | Slough | 2 | 2 | Serious |
| Sun 23 Apr 2000 | Watford | 2 | 2 | Slight |
| Wed 26 Apr 2000 | Watford | 2 | 2 | Slight |
| Sun 30 Apr 2000 | Three Rivers | 2 | 1 | Slight |
| Sat 6 May 2000 | Slough | 2 | 1 | Slight |
| Mon 8 May 2000 | South Bucks | 2 | 1 | Slight |
| Wed 10 May 2000 | Watford | 2 | 1 | Slight |
| Wed 10 May 2000 | Watford | 2 | 1 | Slight |
| Tue 16 May 2000 | Slough | 2 | 1 | Serious |
| Tue 16 May 2000 | Three Rivers | 3 | 1 | Slight |
| Wed 17 May 2000 | Three Rivers | 2 | 1 | Slight |
| Fri 19 May 2000 | Slough | 2 | 1 | Slight |
| Tue 23 May 2000 | Three Rivers | 2 | 1 | Slight |
| Tue 23 May 2000 | Watford | 2 | 1 | Slight |
| Wed 24 May 2000 | Watford | 2 | 2 | Slight |
| Sun 28 May 2000 | Watford | 2 | 2 | Serious |
| Sun 28 May 2000 | Slough | 1 | 1 | Fatal |
| Sun 28 May 2000 | Three Rivers | 2 | 1 | Slight |
| Sun 28 May 2000 | Three Rivers | 2 | 1 | Slight |
| Fri 2 Jun 2000 | Watford | 2 | 1 | Slight |
| Fri 2 Jun 2000 | Watford | 2 | 1 | Serious |
| Mon 5 Jun 2000 | Slough | 2 | 1 | Slight |
| Tue 6 Jun 2000 | South Bucks | 2 | 2 | Serious |
| Sun 11 Jun 2000 | Watford | 4 | 3 | Serious |
| Mon 12 Jun 2000 | Three Rivers | 1 | 1 | Slight |
| Sun 18 Jun 2000 | Slough | 2 | 1 | Serious |
| Sun 18 Jun 2000 | Watford | 1 | 1 | Slight |
| Tue 20 Jun 2000 | Three Rivers | 2 | 2 | Slight |
| Tue 20 Jun 2000 | Slough | 1 | 2 | Slight |
| Wed 21 Jun 2000 | South Bucks | 2 | 1 | Slight |
| Wed 21 Jun 2000 | South Bucks | 2 | 1 | Slight |
| Fri 23 Jun 2000 | Watford | 2 | 5 | Slight |
| Sun 25 Jun 2000 | South Bucks | 2 | 1 | Serious |
| Tue 27 Jun 2000 | South Bucks | 2 | 2 | Slight |
| Wed 28 Jun 2000 | Three Rivers | 2 | 1 | Slight |
| Wed 28 Jun 2000 | Watford | 2 | 2 | Serious |
| Sat 1 Jul 2000 | Watford | 1 | 1 | Slight |
| Sat 1 Jul 2000 | Watford | 1 | 1 | Slight |
| Mon 3 Jul 2000 | Watford | 2 | 1 | Slight |
| Tue 4 Jul 2000 | Watford | 2 | 1 | Slight |
| Fri 7 Jul 2000 | Watford | 1 | 1 | Slight |
| Sat 8 Jul 2000 | Three Rivers | 2 | 1 | Slight |
| Sun 9 Jul 2000 | Three Rivers | 4 | 1 | Slight |
| Sun 9 Jul 2000 | Three Rivers | 1 | 1 | Slight |
| Mon 10 Jul 2000 | Watford | 2 | 1 | Slight |
| Mon 10 Jul 2000 | Three Rivers | 3 | 4 | Slight |
| Fri 14 Jul 2000 | Watford | 1 | 1 | Serious |
| Sat 15 Jul 2000 | Watford | 2 | 1 | Slight |
| Thu 20 Jul 2000 | Three Rivers | 2 | 1 | Slight |
| Fri 21 Jul 2000 | Three Rivers | 2 | 1 | Slight |
| Sat 22 Jul 2000 | South Bucks | 2 | 2 | Slight |
| Sun 23 Jul 2000 | Watford | 1 | 1 | Slight |
| Sat 29 Jul 2000 | South Bucks | 2 | 1 | Slight |
| Fri 4 Aug 2000 | South Bucks | 1 | 1 | Slight |
| Sat 5 Aug 2000 | Three Rivers | 1 | 1 | Slight |
| Sat 5 Aug 2000 | Three Rivers | 1 | 1 | Slight |
| Sun 6 Aug 2000 | Watford | 2 | 1 | Slight |
| Wed 9 Aug 2000 | Watford | 2 | 1 | Serious |
| Thu 10 Aug 2000 | Three Rivers | 2 | 2 | Slight |
| Thu 10 Aug 2000 | Slough | 2 | 2 | Slight |
| Thu 10 Aug 2000 | Three Rivers | 1 | 1 | Slight |
| Tue 15 Aug 2000 | Watford | 2 | 3 | Serious |
| Wed 16 Aug 2000 | Three Rivers | 2 | 3 | Serious |
| Thu 17 Aug 2000 | Watford | 3 | 3 | Slight |
| Tue 22 Aug 2000 | Slough | 2 | 1 | Serious |
| Thu 24 Aug 2000 | Watford | 3 | 2 | Slight |
| Sat 2 Sep 2000 | Watford | 1 | 1 | Slight |
| Tue 5 Sep 2000 | Three Rivers | 3 | 1 | Slight |
| Wed 6 Sep 2000 | Watford | 2 | 1 | Slight |
| Thu 7 Sep 2000 | Three Rivers | 2 | 1 | Slight |
| Sat 9 Sep 2000 | Three Rivers | 1 | 1 | Slight |
| Mon 11 Sep 2000 | Three Rivers | 2 | 1 | Slight |
| Tue 12 Sep 2000 | South Bucks | 2 | 1 | Slight |
| Mon 18 Sep 2000 | Slough | 2 | 1 | Slight |
| Mon 18 Sep 2000 | South Bucks | 2 | 1 | Slight |
| Mon 18 Sep 2000 | Three Rivers | 1 | 1 | Slight |
| Mon 18 Sep 2000 | Three Rivers | 2 | 1 | Slight |
| Tue 19 Sep 2000 | South Bucks | 2 | 2 | Slight |
| Tue 19 Sep 2000 | Three Rivers | 3 | 2 | Slight |
| Thu 21 Sep 2000 | Slough | 2 | 1 | Slight |
| Fri 22 Sep 2000 | Watford | 2 | 1 | Slight |
| Sun 24 Sep 2000 | Three Rivers | 2 | 1 | Slight |
| Wed 27 Sep 2000 | Watford | 1 | 1 | Serious |
| Thu 28 Sep 2000 | Three Rivers | 1 | 1 | Slight |
| Sun 1 Oct 2000 | Three Rivers | 1 | 1 | Slight |
| Sun 1 Oct 2000 | Three Rivers | 1 | 1 | Slight |
| Wed 4 Oct 2000 | Three Rivers | 1 | 1 | Serious |
| Fri 6 Oct 2000 | Watford | 2 | 1 | Slight |
| Sun 8 Oct 2000 | Three Rivers | 3 | 5 | Serious |
| Sun 8 Oct 2000 | Watford | 2 | 1 | Slight |
| Mon 9 Oct 2000 | Watford | 2 | 1 | Slight |
| Thu 12 Oct 2000 | Slough | 2 | 1 | Slight |
| Fri 13 Oct 2000 | South Bucks | 2 | 1 | Slight |
| Fri 13 Oct 2000 | Watford | 2 | 1 | Slight |
| Fri 13 Oct 2000 | Watford | 2 | 2 | Slight |
| Mon 16 Oct 2000 | Watford | 3 | 1 | Slight |
| Tue 17 Oct 2000 | Slough | 2 | 1 | Slight |
| Wed 18 Oct 2000 | Three Rivers | 3 | 1 | Slight |
| Wed 18 Oct 2000 | Slough | 3 | 2 | Slight |
| Wed 18 Oct 2000 | Watford | 2 | 1 | Slight |
| Sun 22 Oct 2000 | Three Rivers | 2 | 4 | Serious |
| Mon 23 Oct 2000 | Watford | 2 | 1 | Slight |
| Tue 24 Oct 2000 | South Bucks | 2 | 1 | Slight |
| Thu 26 Oct 2000 | Slough | 3 | 1 | Slight |
| Fri 3 Nov 2000 | Watford | 3 | 1 | Slight |
| Sat 4 Nov 2000 | Three Rivers | 2 | 1 | Slight |
| Sun 5 Nov 2000 | Watford | 2 | 1 | Slight |
| Tue 7 Nov 2000 | Watford | 2 | 1 | Slight |
| Wed 8 Nov 2000 | Slough | 2 | 1 | Slight |
| Sat 11 Nov 2000 | Slough | 2 | 1 | Slight |
| Wed 15 Nov 2000 | Slough | 2 | 1 | Slight |
| Sun 19 Nov 2000 | Watford | 2 | 1 | Slight |
| Thu 23 Nov 2000 | Watford | 1 | 1 | Slight |
| Fri 24 Nov 2000 | South Bucks | 2 | 2 | Serious |
| Fri 24 Nov 2000 | Watford | 2 | 1 | Slight |
| Fri 24 Nov 2000 | Three Rivers | 2 | 1 | Slight |
| Sat 25 Nov 2000 | South Bucks | 1 | 1 | Fatal |
| Fri 1 Dec 2000 | Three Rivers | 1 | 1 | Slight |
| Fri 1 Dec 2000 | Three Rivers | 1 | 1 | Slight |
| Wed 6 Dec 2000 | Watford | 2 | 2 | Slight |
| Thu 7 Dec 2000 | Watford | 2 | 2 | Slight |
| Mon 11 Dec 2000 | Slough | 2 | 1 | Slight |
| Tue 12 Dec 2000 | Watford | 3 | 3 | Slight |
| Fri 15 Dec 2000 | Slough | 3 | 1 | Slight |
| Sat 16 Dec 2000 | Three Rivers | 3 | 1 | Slight |
| Mon 18 Dec 2000 | Three Rivers | 2 | 1 | Slight |
| Tue 19 Dec 2000 | South Bucks | 2 | 1 | Slight |
| Tue 19 Dec 2000 | Three Rivers | 2 | 1 | Slight |
| Tue 19 Dec 2000 | Watford | 1 | 1 | Serious |
| Wed 20 Dec 2000 | South Bucks | 2 | 2 | Slight |
| Thu 21 Dec 2000 | Watford | 2 | 1 | Slight |
| Thu 21 Dec 2000 | Watford | 1 | 1 | Slight |
| Fri 22 Dec 2000 | South Bucks | 2 | 4 | Slight |
| Thu 28 Dec 2000 | Slough | 2 | 4 | Slight |