Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Sat 22 Feb 1986 | Three Rivers | 1 | 1 | Slight |
| Thu 27 Feb 1986 | Three Rivers | 1 | 1 | Serious |
| Fri 21 Mar 1986 | Three Rivers | 1 | 1 | Slight |
| Tue 1 Apr 1986 | Three Rivers | 2 | 1 | Slight |
| Sun 6 Apr 1986 | Stockport | 1 | 1 | Serious |
| Tue 8 Apr 1986 | Three Rivers | 2 | 1 | Slight |
| Tue 22 Apr 1986 | Three Rivers | 1 | 2 | Slight |
| Fri 2 May 1986 | Watford | 1 | 1 | Slight |
| Thu 15 May 1986 | Watford | 2 | 1 | Slight |
| Wed 11 Jun 1986 | Watford | 2 | 1 | Slight |
| Wed 18 Jun 1986 | Watford | 1 | 1 | Slight |
| Sat 21 Jun 1986 | Watford | 2 | 1 | Slight |
| Fri 15 Aug 1986 | Watford | 1 | 1 | Slight |
| Fri 22 Aug 1986 | Three Rivers | 3 | 1 | Slight |
| Fri 10 Oct 1986 | Watford | 1 | 1 | Slight |
| Wed 26 Nov 1986 | Watford | 1 | 1 | Slight |
| Tue 16 Dec 1986 | Watford | 1 | 1 | Slight |
| Sun 21 Dec 1986 | Watford | 2 | 4 | Slight |
| Thu 25 Dec 1986 | Watford | 2 | 2 | Slight |