Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Fri 1 Jan 1993 | Watford | 2 | 1 | Slight |
| Sat 2 Jan 1993 | South Bucks | 2 | 1 | Slight |
| Thu 7 Jan 1993 | Watford | 2 | 1 | Slight |
| Fri 8 Jan 1993 | Watford | 1 | 1 | Serious |
| Mon 11 Jan 1993 | Watford | 2 | 1 | Slight |
| Tue 12 Jan 1993 | Three Rivers | 2 | 1 | Slight |
| Thu 21 Jan 1993 | Watford | 2 | 1 | Slight |
| Thu 21 Jan 1993 | Slough | 2 | 1 | Serious |
| Tue 26 Jan 1993 | Watford | 2 | 1 | Slight |
| Thu 28 Jan 1993 | Watford | 2 | 1 | Serious |
| Thu 28 Jan 1993 | Watford | 1 | 1 | Slight |
| Sat 30 Jan 1993 | Slough | 2 | 1 | Slight |
| Thu 4 Feb 1993 | South Bucks | 2 | 2 | Slight |
| Fri 5 Feb 1993 | Watford | 2 | 1 | Slight |
| Sun 7 Feb 1993 | Watford | 1 | 1 | Serious |
| Wed 10 Feb 1993 | Three Rivers | 2 | 1 | Slight |
| Fri 12 Feb 1993 | Three Rivers | 3 | 2 | Slight |
| Sat 13 Feb 1993 | Watford | 2 | 1 | Slight |
| Mon 15 Feb 1993 | South Bucks | 1 | 1 | Slight |
| Mon 15 Feb 1993 | Watford | 2 | 1 | Slight |
| Mon 15 Feb 1993 | South Bucks | 2 | 1 | Fatal |
| Fri 19 Feb 1993 | Slough | 2 | 1 | Slight |
| Fri 19 Feb 1993 | Watford | 2 | 1 | Serious |
| Sun 21 Feb 1993 | Watford | 1 | 1 | Slight |
| Tue 23 Feb 1993 | South Bucks | 2 | 1 | Slight |
| Thu 25 Feb 1993 | Watford | 1 | 1 | Slight |
| Thu 25 Feb 1993 | Watford | 2 | 1 | Slight |
| Fri 26 Feb 1993 | Watford | 2 | 2 | Slight |
| Sat 27 Feb 1993 | Watford | 1 | 1 | Slight |
| Mon 1 Mar 1993 | Watford | 5 | 5 | Serious |
| Tue 2 Mar 1993 | Slough | 2 | 1 | Slight |
| Wed 3 Mar 1993 | Three Rivers | 3 | 3 | Slight |
| Fri 5 Mar 1993 | Slough | 2 | 1 | Slight |
| Mon 8 Mar 1993 | Watford | 2 | 2 | Slight |
| Mon 8 Mar 1993 | Watford | 2 | 2 | Slight |
| Wed 10 Mar 1993 | Three Rivers | 2 | 2 | Serious |
| Wed 10 Mar 1993 | Watford | 3 | 1 | Slight |
| Wed 10 Mar 1993 | Watford | 3 | 1 | Slight |
| Fri 12 Mar 1993 | South Bucks | 3 | 1 | Serious |
| Tue 16 Mar 1993 | Watford | 2 | 1 | Slight |
| Thu 18 Mar 1993 | Three Rivers | 1 | 1 | Slight |
| Thu 25 Mar 1993 | Watford | 2 | 1 | Slight |
| Sun 28 Mar 1993 | Watford | 3 | 1 | Slight |
| Sun 28 Mar 1993 | Slough | 2 | 1 | Serious |
| Tue 30 Mar 1993 | Three Rivers | 2 | 1 | Slight |
| Thu 1 Apr 1993 | Three Rivers | 2 | 4 | Serious |
| Thu 1 Apr 1993 | Watford | 2 | 3 | Slight |
| Fri 2 Apr 1993 | Three Rivers | 2 | 1 | Slight |
| Sat 3 Apr 1993 | Watford | 2 | 5 | Serious |
| Sat 3 Apr 1993 | Watford | 2 | 3 | Slight |
| Fri 9 Apr 1993 | Watford | 2 | 1 | Slight |
| Sat 10 Apr 1993 | Watford | 1 | 1 | Slight |
| Tue 13 Apr 1993 | Watford | 3 | 1 | Slight |
| Fri 23 Apr 1993 | South Bucks | 2 | 1 | Slight |
| Fri 23 Apr 1993 | South Bucks | 1 | 1 | Slight |
| Sat 24 Apr 1993 | Three Rivers | 1 | 1 | Serious |
| Wed 28 Apr 1993 | Watford | 4 | 2 | Slight |
| Thu 29 Apr 1993 | Three Rivers | 2 | 3 | Slight |
| Fri 30 Apr 1993 | Watford | 2 | 1 | Slight |
| Fri 30 Apr 1993 | Watford | 2 | 1 | Slight |
| Wed 5 May 1993 | Three Rivers | 3 | 3 | Slight |
| Wed 5 May 1993 | Three Rivers | 2 | 1 | Slight |
| Thu 6 May 1993 | South Bucks | 2 | 1 | Slight |
| Thu 6 May 1993 | Three Rivers | 2 | 1 | Slight |
| Sun 9 May 1993 | South Bucks | 2 | 1 | Slight |
| Thu 20 May 1993 | Watford | 1 | 2 | Slight |
| Sat 22 May 1993 | Three Rivers | 1 | 1 | Slight |
| Sat 22 May 1993 | Watford | 2 | 1 | Slight |
| Sun 23 May 1993 | Watford | 1 | 1 | Slight |
| Thu 27 May 1993 | Slough | 3 | 1 | Slight |
| Fri 28 May 1993 | South Bucks | 2 | 1 | Slight |
| Fri 28 May 1993 | Three Rivers | 1 | 1 | Slight |
| Sun 30 May 1993 | South Bucks | 2 | 1 | Slight |
| Sun 30 May 1993 | Watford | 2 | 1 | Slight |
| Wed 9 Jun 1993 | Three Rivers | 3 | 3 | Slight |
| Fri 11 Jun 1993 | Slough | 2 | 1 | Slight |
| Sat 12 Jun 1993 | Watford | 2 | 1 | Slight |
| Mon 14 Jun 1993 | Three Rivers | 2 | 1 | Slight |
| Thu 17 Jun 1993 | Watford | 2 | 1 | Slight |
| Sat 19 Jun 1993 | Watford | 2 | 1 | Slight |
| Tue 22 Jun 1993 | Three Rivers | 2 | 1 | Slight |
| Wed 23 Jun 1993 | Watford | 1 | 1 | Slight |
| Fri 25 Jun 1993 | South Bucks | 2 | 1 | Slight |
| Sun 27 Jun 1993 | Watford | 2 | 2 | Slight |
| Mon 28 Jun 1993 | South Bucks | 2 | 1 | Slight |
| Tue 29 Jun 1993 | Watford | 2 | 1 | Slight |
| Wed 30 Jun 1993 | Watford | 2 | 2 | Slight |
| Sun 4 Jul 1993 | South Bucks | 2 | 2 | Serious |
| Mon 5 Jul 1993 | South Bucks | 2 | 1 | Slight |
| Mon 5 Jul 1993 | Watford | 2 | 1 | Slight |
| Wed 7 Jul 1993 | Watford | 3 | 1 | Slight |
| Thu 8 Jul 1993 | Watford | 2 | 2 | Slight |
| Fri 9 Jul 1993 | Watford | 3 | 1 | Slight |
| Tue 13 Jul 1993 | Watford | 2 | 2 | Slight |
| Tue 13 Jul 1993 | Watford | 3 | 1 | Slight |
| Tue 13 Jul 1993 | Watford | 2 | 1 | Slight |
| Wed 14 Jul 1993 | Watford | 2 | 1 | Slight |
| Thu 15 Jul 1993 | Three Rivers | 1 | 1 | Slight |
| Fri 16 Jul 1993 | Watford | 2 | 1 | Slight |
| Sun 18 Jul 1993 | Three Rivers | 2 | 1 | Slight |
| Mon 19 Jul 1993 | Watford | 2 | 1 | Slight |
| Tue 20 Jul 1993 | Three Rivers | 2 | 1 | Slight |
| Thu 22 Jul 1993 | Watford | 2 | 1 | Slight |
| Sun 25 Jul 1993 | Three Rivers | 2 | 1 | Slight |
| Thu 29 Jul 1993 | Slough | 2 | 3 | Serious |
| Fri 30 Jul 1993 | Watford | 2 | 1 | Slight |
| Sun 1 Aug 1993 | South Bucks | 2 | 1 | Slight |
| Tue 3 Aug 1993 | Watford | 2 | 1 | Slight |
| Wed 4 Aug 1993 | Watford | 2 | 1 | Slight |
| Mon 9 Aug 1993 | Watford | 1 | 1 | Serious |
| Thu 12 Aug 1993 | Slough | 2 | 1 | Slight |
| Sun 15 Aug 1993 | Watford | 1 | 1 | Slight |
| Thu 19 Aug 1993 | South Bucks | 2 | 1 | Slight |
| Thu 19 Aug 1993 | Three Rivers | 2 | 1 | Slight |
| Thu 19 Aug 1993 | Watford | 2 | 1 | Slight |
| Fri 20 Aug 1993 | Three Rivers | 1 | 1 | Serious |
| Sat 21 Aug 1993 | South Bucks | 2 | 1 | Slight |
| Wed 1 Sep 1993 | Watford | 2 | 1 | Slight |
| Mon 6 Sep 1993 | St. Albans | 2 | 1 | Slight |
| Wed 8 Sep 1993 | South Bucks | 2 | 1 | Slight |
| Wed 8 Sep 1993 | South Bucks | 2 | 1 | Slight |
| Wed 8 Sep 1993 | South Bucks | 1 | 1 | Slight |
| Mon 13 Sep 1993 | Three Rivers | 2 | 1 | Slight |
| Mon 20 Sep 1993 | Watford | 2 | 1 | Serious |
| Mon 20 Sep 1993 | Three Rivers | 3 | 2 | Slight |
| Wed 22 Sep 1993 | Watford | 2 | 1 | Slight |
| Sat 25 Sep 1993 | South Bucks | 1 | 1 | Slight |
| Sun 26 Sep 1993 | Slough | 2 | 3 | Serious |
| Mon 27 Sep 1993 | Slough | 2 | 2 | Slight |
| Wed 29 Sep 1993 | Watford | 1 | 1 | Slight |
| Thu 30 Sep 1993 | Slough | 3 | 1 | Slight |
| Sun 3 Oct 1993 | Watford | 5 | 1 | Slight |
| Mon 4 Oct 1993 | Three Rivers | 2 | 1 | Slight |
| Mon 4 Oct 1993 | South Bucks | 3 | 1 | Slight |
| Wed 6 Oct 1993 | Watford | 1 | 1 | Slight |
| Thu 7 Oct 1993 | Three Rivers | 2 | 2 | Slight |
| Thu 7 Oct 1993 | Three Rivers | 1 | 1 | Slight |
| Fri 8 Oct 1993 | Three Rivers | 2 | 2 | Slight |
| Sat 9 Oct 1993 | Watford | 2 | 5 | Serious |
| Mon 11 Oct 1993 | Watford | 1 | 1 | Slight |
| Mon 11 Oct 1993 | Watford | 2 | 1 | Slight |
| Tue 12 Oct 1993 | South Bucks | 3 | 2 | Slight |
| Tue 12 Oct 1993 | Three Rivers | 2 | 1 | Slight |
| Wed 13 Oct 1993 | Watford | 2 | 1 | Slight |
| Mon 18 Oct 1993 | Watford | 2 | 1 | Slight |
| Wed 20 Oct 1993 | Three Rivers | 2 | 1 | Slight |
| Fri 22 Oct 1993 | Watford | 4 | 1 | Slight |
| Sat 23 Oct 1993 | Watford | 4 | 1 | Slight |
| Mon 25 Oct 1993 | Watford | 2 | 1 | Serious |
| Tue 26 Oct 1993 | Watford | 3 | 1 | Slight |
| Thu 28 Oct 1993 | Watford | 1 | 1 | Serious |
| Thu 28 Oct 1993 | Watford | 1 | 1 | Serious |
| Sat 30 Oct 1993 | Watford | 2 | 1 | Slight |
| Mon 1 Nov 1993 | Watford | 2 | 1 | Slight |
| Tue 2 Nov 1993 | Watford | 2 | 1 | Slight |
| Thu 4 Nov 1993 | Watford | 1 | 2 | Slight |
| Fri 5 Nov 1993 | Watford | 1 | 1 | Slight |
| Fri 5 Nov 1993 | Three Rivers | 2 | 1 | Slight |
| Sat 6 Nov 1993 | South Bucks | 2 | 4 | Slight |
| Mon 8 Nov 1993 | Watford | 2 | 1 | Serious |
| Wed 10 Nov 1993 | South Bucks | 2 | 1 | Slight |
| Fri 12 Nov 1993 | Watford | 2 | 1 | Slight |
| Sat 13 Nov 1993 | Slough | 2 | 1 | Slight |
| Sat 13 Nov 1993 | South Bucks | 2 | 1 | Slight |
| Sat 13 Nov 1993 | Three Rivers | 2 | 1 | Serious |
| Mon 15 Nov 1993 | South Bucks | 3 | 1 | Serious |
| Mon 15 Nov 1993 | Watford | 2 | 1 | Slight |
| Wed 17 Nov 1993 | Slough | 2 | 1 | Slight |
| Fri 19 Nov 1993 | Watford | 2 | 1 | Serious |
| Fri 19 Nov 1993 | South Bucks | 3 | 1 | Slight |
| Sat 20 Nov 1993 | South Bucks | 3 | 1 | Slight |
| Sun 21 Nov 1993 | Three Rivers | 2 | 1 | Serious |
| Sun 21 Nov 1993 | Watford | 2 | 1 | Slight |
| Mon 22 Nov 1993 | Three Rivers | 3 | 1 | Serious |
| Tue 23 Nov 1993 | Watford | 3 | 2 | Slight |
| Tue 23 Nov 1993 | Watford | 5 | 1 | Slight |
| Wed 24 Nov 1993 | Watford | 2 | 1 | Slight |
| Tue 30 Nov 1993 | Three Rivers | 2 | 1 | Slight |
| Fri 3 Dec 1993 | South Bucks | 2 | 1 | Slight |
| Sun 5 Dec 1993 | Slough | 1 | 1 | Slight |
| Wed 8 Dec 1993 | South Bucks | 2 | 3 | Slight |
| Thu 9 Dec 1993 | Watford | 1 | 1 | Slight |
| Sat 11 Dec 1993 | Three Rivers | 1 | 1 | Slight |
| Sat 11 Dec 1993 | Three Rivers | 2 | 3 | Serious |
| Mon 13 Dec 1993 | Watford | 2 | 1 | Slight |
| Mon 13 Dec 1993 | Watford | 2 | 1 | Slight |
| Wed 15 Dec 1993 | Watford | 1 | 1 | Slight |
| Thu 16 Dec 1993 | Watford | 1 | 1 | Serious |
| Mon 20 Dec 1993 | Three Rivers | 2 | 1 | Slight |
| Tue 21 Dec 1993 | Slough | 2 | 1 | Slight |
| Thu 23 Dec 1993 | Watford | 3 | 1 | Slight |
| Thu 23 Dec 1993 | Watford | 1 | 1 | Serious |
| Fri 24 Dec 1993 | Three Rivers | 1 | 1 | Slight |
| Fri 24 Dec 1993 | Watford | 1 | 1 | Slight |
| Sun 26 Dec 1993 | Watford | 2 | 1 | Slight |
| Sun 26 Dec 1993 | Three Rivers | 1 | 1 | Slight |
| Tue 28 Dec 1993 | Slough | 2 | 1 | Slight |
| Wed 29 Dec 1993 | Watford | 2 | 1 | Slight |
| Wed 29 Dec 1993 | Slough | 2 | 1 | Slight |