Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Mon 28 Jan 1985 | Three Rivers | 2 | 1 | Serious |
| Sun 3 Feb 1985 | Three Rivers | 1 | 1 | Slight |
| Wed 20 Feb 1985 | Three Rivers | 3 | 1 | Slight |
| Wed 27 Feb 1985 | Three Rivers | 2 | 1 | Serious |
| Sun 24 Mar 1985 | Three Rivers | 1 | 4 | Serious |
| Wed 27 Mar 1985 | Watford | 2 | 1 | Slight |
| Sat 6 Apr 1985 | Watford | 1 | 1 | Serious |
| Sun 7 Apr 1985 | Three Rivers | 2 | 1 | Serious |
| Mon 8 Apr 1985 | Three Rivers | 2 | 1 | Slight |
| Mon 8 Apr 1985 | Three Rivers | 2 | 2 | Slight |
| Mon 13 May 1985 | Three Rivers | 2 | 1 | Slight |
| Wed 22 May 1985 | Watford | 2 | 1 | Serious |
| Thu 23 May 1985 | Watford | 3 | 1 | Slight |
| Tue 11 Jun 1985 | Watford | 2 | 1 | Serious |
| Thu 13 Jun 1985 | Three Rivers | 2 | 2 | Slight |
| Sat 13 Jul 1985 | Watford | 2 | 3 | Slight |
| Tue 23 Jul 1985 | Three Rivers | 2 | 1 | Slight |
| Fri 26 Jul 1985 | Three Rivers | 3 | 2 | Fatal |
| Thu 8 Aug 1985 | Watford | 2 | 1 | Slight |
| Tue 3 Sep 1985 | Three Rivers | 2 | 1 | Slight |
| Tue 17 Sep 1985 | Three Rivers | 2 | 1 | Slight |
| Sun 22 Sep 1985 | Three Rivers | 1 | 3 | Serious |
| Fri 27 Sep 1985 | Watford | 1 | 1 | Serious |
| Sun 29 Sep 1985 | Watford | 2 | 2 | Slight |
| Sun 6 Oct 1985 | Watford | 1 | 1 | Serious |
| Sun 6 Oct 1985 | Watford | 2 | 1 | Slight |
| Sat 12 Oct 1985 | Three Rivers | 1 | 2 | Slight |
| Thu 31 Oct 1985 | Three Rivers | 1 | 1 | Slight |
| Thu 7 Nov 1985 | Three Rivers | 2 | 1 | Slight |
| Sat 9 Nov 1985 | Three Rivers | 3 | 1 | Serious |
| Sat 16 Nov 1985 | Three Rivers | 2 | 2 | Slight |
| Mon 25 Nov 1985 | Three Rivers | 2 | 1 | Slight |
| Wed 27 Nov 1985 | Three Rivers | 2 | 5 | Serious |
| Wed 11 Dec 1985 | Three Rivers | 2 | 1 | Slight |
| Fri 13 Dec 1985 | Watford | 2 | 2 | Slight |