Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Sun 8 Jan 1984 | West Dorset | 1 | 1 | Slight |
| Thu 2 Feb 1984 | West Dorset | 1 | 2 | Slight |
| Fri 10 Feb 1984 | West Dorset | 2 | 1 | Serious |
| Mon 13 Feb 1984 | West Dorset | 2 | 1 | Serious |
| Wed 22 Feb 1984 | West Dorset | 3 | 3 | Slight |
| Sun 11 Mar 1984 | West Dorset | 2 | 1 | Slight |
| Fri 23 Mar 1984 | Purbeck | 3 | 5 | Serious |
| Sat 24 Mar 1984 | Purbeck | 3 | 1 | Slight |
| Sun 25 Mar 1984 | West Dorset | 2 | 1 | Slight |
| Sun 1 Apr 1984 | West Dorset | 2 | 4 | Serious |
| Tue 10 Apr 1984 | West Dorset | 2 | 1 | Slight |
| Sun 15 Apr 1984 | Purbeck | 1 | 3 | Serious |
| Sun 15 Apr 1984 | Purbeck | 1 | 1 | Slight |
| Fri 4 May 1984 | West Dorset | 2 | 1 | Slight |
| Mon 7 May 1984 | West Dorset | 2 | 1 | Slight |
| Sun 13 May 1984 | West Dorset | 2 | 3 | Serious |
| Mon 28 May 1984 | West Dorset | 3 | 4 | Slight |
| Wed 6 Jun 1984 | West Dorset | 2 | 1 | Slight |
| Mon 18 Jun 1984 | West Dorset | 2 | 1 | Serious |
| Tue 3 Jul 1984 | West Dorset | 2 | 1 | Serious |
| Thu 5 Jul 1984 | West Dorset | 2 | 1 | Slight |
| Fri 13 Jul 1984 | West Dorset | 2 | 1 | Slight |
| Sat 21 Jul 1984 | West Dorset | 2 | 1 | Serious |
| Tue 24 Jul 1984 | West Dorset | 2 | 1 | Serious |
| Tue 31 Jul 1984 | West Dorset | 2 | 3 | Slight |
| Sun 12 Aug 1984 | West Dorset | 2 | 2 | Slight |
| Mon 13 Aug 1984 | West Dorset | 2 | 1 | Slight |
| Thu 16 Aug 1984 | Purbeck | 2 | 2 | Serious |
| Fri 17 Aug 1984 | West Dorset | 2 | 1 | Slight |
| Sun 26 Aug 1984 | West Dorset | 2 | 1 | Slight |
| Tue 28 Aug 1984 | Purbeck | 1 | 1 | Slight |
| Fri 31 Aug 1984 | North Dorset | 2 | 3 | Fatal |
| Sat 22 Sep 1984 | West Dorset | 2 | 1 | Slight |
| Mon 24 Sep 1984 | West Dorset | 3 | 4 | Serious |
| Mon 1 Oct 1984 | Purbeck | 2 | 1 | Fatal |
| Sun 14 Oct 1984 | West Dorset | 2 | 2 | Slight |
| Wed 17 Oct 1984 | West Dorset | 2 | 2 | Serious |
| Wed 28 Nov 1984 | West Dorset | 2 | 1 | Serious |
| Thu 13 Dec 1984 | Purbeck | 2 | 1 | Serious |
| Sat 15 Dec 1984 | Purbeck | 2 | 1 | Slight |
| Mon 24 Dec 1984 | West Dorset | 4 | 1 | Slight |