Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Mon 6 Jan 1986 | Weymouth and Portland | 1 | 1 | Serious |
| Sat 25 Jan 1986 | Weymouth and Portland | 1 | 1 | Serious |
| Mon 10 Feb 1986 | West Dorset | 2 | 1 | Slight |
| Fri 28 Feb 1986 | Weymouth and Portland | 1 | 1 | Slight |
| Sun 16 Mar 1986 | West Dorset | 1 | 1 | Slight |
| Fri 18 Apr 1986 | Weymouth and Portland | 2 | 1 | Serious |
| Thu 1 May 1986 | Weymouth and Portland | 2 | 1 | Slight |
| Fri 2 May 1986 | Weymouth and Portland | 2 | 1 | Slight |
| Mon 19 May 1986 | Weymouth and Portland | 2 | 1 | Slight |
| Tue 20 May 1986 | West Dorset | 2 | 1 | Slight |
| Thu 29 May 1986 | Weymouth and Portland | 2 | 1 | Slight |
| Sat 7 Jun 1986 | West Dorset | 1 | 2 | Serious |
| Wed 18 Jun 1986 | West Dorset | 2 | 1 | Serious |
| Thu 19 Jun 1986 | Weymouth and Portland | 2 | 1 | Serious |
| Wed 25 Jun 1986 | Weymouth and Portland | 2 | 1 | Slight |
| Sun 29 Jun 1986 | Weymouth and Portland | 2 | 1 | Slight |
| Sun 29 Jun 1986 | Weymouth and Portland | 2 | 1 | Slight |
| Mon 7 Jul 1986 | Weymouth and Portland | 1 | 1 | Slight |
| Thu 10 Jul 1986 | Weymouth and Portland | 2 | 1 | Slight |
| Fri 11 Jul 1986 | Weymouth and Portland | 2 | 2 | Slight |
| Sun 13 Jul 1986 | West Dorset | 2 | 3 | Slight |
| Tue 29 Jul 1986 | Weymouth and Portland | 1 | 1 | Serious |
| Wed 6 Aug 1986 | Weymouth and Portland | 1 | 1 | Slight |
| Fri 15 Aug 1986 | Weymouth and Portland | 2 | 2 | Slight |
| Fri 15 Aug 1986 | Weymouth and Portland | 2 | 2 | Slight |
| Sun 17 Aug 1986 | West Dorset | 2 | 3 | Serious |
| Fri 22 Aug 1986 | Weymouth and Portland | 2 | 1 | Slight |
| Thu 28 Aug 1986 | West Dorset | 3 | 1 | Slight |
| Fri 29 Aug 1986 | West Dorset | 2 | 1 | Slight |
| Fri 5 Sep 1986 | Weymouth and Portland | 2 | 1 | Slight |
| Fri 12 Sep 1986 | West Dorset | 2 | 1 | Slight |
| Thu 25 Sep 1986 | West Dorset | 1 | 2 | Serious |
| Tue 30 Sep 1986 | Weymouth and Portland | 3 | 1 | Serious |
| Wed 8 Oct 1986 | West Dorset | 2 | 1 | Slight |
| Wed 8 Oct 1986 | West Dorset | 1 | 1 | Slight |
| Thu 9 Oct 1986 | Weymouth and Portland | 2 | 1 | Serious |
| Wed 22 Oct 1986 | Weymouth and Portland | 2 | 1 | Serious |
| Thu 23 Oct 1986 | West Dorset | 2 | 1 | Slight |
| Tue 28 Oct 1986 | Weymouth and Portland | 2 | 1 | Serious |
| Thu 6 Nov 1986 | Weymouth and Portland | 2 | 1 | Slight |
| Tue 11 Nov 1986 | West Dorset | 2 | 1 | Serious |
| Wed 12 Nov 1986 | Weymouth and Portland | 2 | 1 | Slight |
| Wed 12 Nov 1986 | Weymouth and Portland | 2 | 1 | Slight |
| Wed 12 Nov 1986 | Weymouth and Portland | 2 | 1 | Serious |
| Wed 12 Nov 1986 | Weymouth and Portland | 2 | 1 | Serious |
| Sat 15 Nov 1986 | West Dorset | 2 | 1 | Slight |
| Tue 18 Nov 1986 | West Dorset | 1 | 1 | Serious |
| Thu 20 Nov 1986 | West Dorset | 1 | 1 | Slight |
| Thu 20 Nov 1986 | West Dorset | 2 | 1 | Slight |
| Thu 27 Nov 1986 | West Dorset | 2 | 3 | Slight |
| Mon 1 Dec 1986 | West Dorset | 2 | 1 | Slight |
| Mon 29 Dec 1986 | Weymouth and Portland | 2 | 1 | Slight |
| Mon 29 Dec 1986 | Weymouth and Portland | 2 | 1 | Slight |