Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Thu 3 Jan 1991 | Purbeck | 3 | 1 | Slight |
| Wed 9 Jan 1991 | West Dorset | 1 | 1 | Slight |
| Wed 23 Jan 1991 | Purbeck | 1 | 1 | Slight |
| Tue 29 Jan 1991 | North Dorset | 1 | 2 | Slight |
| Sat 2 Feb 1991 | Purbeck | 1 | 1 | Serious |
| Fri 22 Feb 1991 | West Dorset | 3 | 3 | Slight |
| Fri 8 Mar 1991 | Purbeck | 2 | 3 | Slight |
| Thu 14 Mar 1991 | North Dorset | 2 | 1 | Slight |
| Sat 23 Mar 1991 | North Dorset | 3 | 1 | Slight |
| Sun 31 Mar 1991 | Purbeck | 2 | 1 | Slight |
| Sat 6 Apr 1991 | West Dorset | 1 | 1 | Slight |
| Sun 7 Apr 1991 | Purbeck | 1 | 2 | Serious |
| Wed 24 Apr 1991 | North Dorset | 2 | 2 | Slight |
| Fri 26 Apr 1991 | Purbeck | 1 | 1 | Slight |
| Fri 26 Apr 1991 | West Dorset | 2 | 1 | Slight |
| Thu 9 May 1991 | West Dorset | 2 | 1 | Slight |
| Thu 16 May 1991 | Purbeck | 2 | 1 | Slight |
| Fri 24 May 1991 | Purbeck | 2 | 1 | Slight |
| Tue 28 May 1991 | Weymouth and Portland | 3 | 1 | Slight |
| Sat 1 Jun 1991 | Purbeck | 2 | 1 | Slight |
| Wed 5 Jun 1991 | North Dorset | 2 | 1 | Slight |
| Sat 22 Jun 1991 | West Dorset | 1 | 1 | Slight |
| Sat 22 Jun 1991 | West Dorset | 1 | 1 | Slight |
| Wed 26 Jun 1991 | Purbeck | 2 | 2 | Slight |
| Sun 30 Jun 1991 | North Dorset | 2 | 1 | Serious |
| Mon 8 Jul 1991 | West Dorset | 2 | 1 | Slight |
| Tue 23 Jul 1991 | West Dorset | 1 | 1 | Slight |
| Tue 23 Jul 1991 | North Dorset | 1 | 1 | Slight |
| Wed 24 Jul 1991 | Purbeck | 1 | 2 | Slight |
| Wed 21 Aug 1991 | Purbeck | 2 | 1 | Serious |
| Thu 22 Aug 1991 | Purbeck | 2 | 3 | Serious |
| Fri 30 Aug 1991 | Purbeck | 3 | 1 | Slight |
| Tue 1 Oct 1991 | West Dorset | 2 | 3 | Slight |
| Mon 7 Oct 1991 | West Dorset | 2 | 4 | Slight |
| Wed 9 Oct 1991 | West Dorset | 1 | 1 | Slight |
| Thu 17 Oct 1991 | West Dorset | 1 | 1 | Serious |
| Thu 17 Oct 1991 | West Dorset | 1 | 2 | Serious |
| Fri 1 Nov 1991 | West Dorset | 2 | 1 | Slight |
| Thu 14 Nov 1991 | Purbeck | 2 | 3 | Serious |
| Sun 17 Nov 1991 | Purbeck | 3 | 1 | Slight |
| Thu 5 Dec 1991 | West Dorset | 1 | 1 | Slight |
| Thu 19 Dec 1991 | Purbeck | 2 | 2 | Slight |
| Tue 24 Dec 1991 | West Dorset | 3 | 1 | Slight |
| Wed 25 Dec 1991 | West Dorset | 1 | 2 | Slight |