Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Tue 3 Jan 1984 | West Dorset | 2 | 1 | Slight |
| Fri 6 Jan 1984 | Weymouth and Portland | 2 | 1 | Slight |
| Fri 6 Jan 1984 | West Dorset | 2 | 1 | Slight |
| Thu 19 Jan 1984 | Weymouth and Portland | 1 | 2 | Serious |
| Thu 26 Jan 1984 | Weymouth and Portland | 2 | 1 | Serious |
| Wed 8 Feb 1984 | Weymouth and Portland | 2 | 1 | Slight |
| Thu 23 Feb 1984 | Weymouth and Portland | 2 | 1 | Serious |
| Fri 24 Feb 1984 | Weymouth and Portland | 1 | 1 | Slight |
| Thu 1 Mar 1984 | West Dorset | 4 | 1 | Slight |
| Sun 4 Mar 1984 | Weymouth and Portland | 2 | 1 | Slight |
| Tue 6 Mar 1984 | West Dorset | 1 | 1 | Serious |
| Thu 22 Mar 1984 | West Dorset | 2 | 2 | Slight |
| Thu 22 Mar 1984 | Weymouth and Portland | 2 | 1 | Slight |
| Thu 22 Mar 1984 | Weymouth and Portland | 2 | 1 | Slight |
| Sun 15 Apr 1984 | West Dorset | 2 | 1 | Slight |
| Mon 30 Apr 1984 | Weymouth and Portland | 2 | 1 | Slight |
| Sat 12 May 1984 | West Dorset | 1 | 1 | Slight |
| Fri 25 May 1984 | Weymouth and Portland | 2 | 2 | Serious |
| Sat 26 May 1984 | West Dorset | 3 | 2 | Slight |
| Sat 26 May 1984 | Weymouth and Portland | 1 | 1 | Slight |
| Sun 27 May 1984 | West Dorset | 5 | 2 | Serious |
| Mon 28 May 1984 | West Dorset | 2 | 1 | Slight |
| Fri 1 Jun 1984 | Weymouth and Portland | 1 | 2 | Serious |
| Sat 16 Jun 1984 | Weymouth and Portland | 2 | 1 | Serious |
| Sun 17 Jun 1984 | West Dorset | 2 | 2 | Slight |
| Sun 1 Jul 1984 | West Dorset | 1 | 1 | Slight |
| Sun 15 Jul 1984 | Weymouth and Portland | 3 | 4 | Serious |
| Tue 17 Jul 1984 | West Dorset | 3 | 3 | Serious |
| Sat 21 Jul 1984 | West Dorset | 1 | 1 | Serious |
| Sat 28 Jul 1984 | West Dorset | 2 | 1 | Slight |
| Sun 29 Jul 1984 | Weymouth and Portland | 1 | 1 | Slight |
| Sat 4 Aug 1984 | Weymouth and Portland | 2 | 1 | Slight |
| Wed 15 Aug 1984 | West Dorset | 2 | 1 | Slight |
| Fri 17 Aug 1984 | West Dorset | 2 | 1 | Slight |
| Thu 23 Aug 1984 | West Dorset | 1 | 1 | Slight |
| Fri 24 Aug 1984 | West Dorset | 2 | 2 | Slight |
| Mon 27 Aug 1984 | West Dorset | 2 | 1 | Slight |
| Tue 28 Aug 1984 | Weymouth and Portland | 2 | 1 | Slight |
| Wed 29 Aug 1984 | West Dorset | 1 | 1 | Slight |
| Thu 30 Aug 1984 | Weymouth and Portland | 2 | 1 | Slight |
| Thu 30 Aug 1984 | West Dorset | 1 | 1 | Slight |
| Mon 3 Sep 1984 | West Dorset | 1 | 1 | Slight |
| Thu 6 Sep 1984 | West Dorset | 2 | 1 | Slight |
| Fri 7 Sep 1984 | Weymouth and Portland | 2 | 1 | Slight |
| Tue 11 Sep 1984 | West Dorset | 2 | 1 | Slight |
| Wed 12 Sep 1984 | Weymouth and Portland | 2 | 1 | Slight |
| Wed 12 Sep 1984 | Weymouth and Portland | 2 | 1 | Slight |
| Thu 13 Sep 1984 | West Dorset | 1 | 1 | Serious |
| Sat 15 Sep 1984 | Weymouth and Portland | 1 | 1 | Slight |
| Sat 15 Sep 1984 | Weymouth and Portland | 2 | 1 | Slight |
| Wed 19 Sep 1984 | Weymouth and Portland | 2 | 1 | Serious |
| Sun 23 Sep 1984 | West Dorset | 3 | 1 | Slight |
| Wed 26 Sep 1984 | Weymouth and Portland | 2 | 1 | Serious |
| Wed 26 Sep 1984 | Weymouth and Portland | 2 | 1 | Serious |
| Thu 27 Sep 1984 | Weymouth and Portland | 1 | 1 | Slight |
| Wed 10 Oct 1984 | West Dorset | 1 | 1 | Slight |
| Mon 29 Oct 1984 | Weymouth and Portland | 1 | 1 | Slight |
| Fri 2 Nov 1984 | West Dorset | 2 | 2 | Slight |
| Sat 10 Nov 1984 | West Dorset | 2 | 1 | Serious |
| Sat 10 Nov 1984 | Weymouth and Portland | 1 | 2 | Slight |
| Wed 14 Nov 1984 | Weymouth and Portland | 2 | 1 | Serious |
| Wed 14 Nov 1984 | Weymouth and Portland | 2 | 1 | Serious |
| Thu 22 Nov 1984 | Weymouth and Portland | 2 | 1 | Serious |
| Thu 29 Nov 1984 | Weymouth and Portland | 2 | 1 | Slight |
| Fri 30 Nov 1984 | West Dorset | 2 | 1 | Slight |
| Mon 3 Dec 1984 | Weymouth and Portland | 2 | 1 | Slight |
| Wed 5 Dec 1984 | Weymouth and Portland | 3 | 1 | Slight |
| Thu 13 Dec 1984 | Weymouth and Portland | 3 | 1 | Serious |
| Fri 14 Dec 1984 | West Dorset | 2 | 1 | Fatal |
| Sun 16 Dec 1984 | West Dorset | 1 | 2 | Slight |
| Sun 16 Dec 1984 | Weymouth and Portland | 2 | 1 | Slight |
| Tue 18 Dec 1984 | West Dorset | 2 | 1 | Slight |
| Thu 27 Dec 1984 | West Dorset | 2 | 1 | Slight |
| Fri 28 Dec 1984 | Weymouth and Portland | 1 | 1 | Slight |
| Sat 29 Dec 1984 | West Dorset | 2 | 1 | Slight |
| Sun 30 Dec 1984 | Weymouth and Portland | 1 | 2 | Slight |