Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Sun 14 Jan 1990 | West Dorset | 1 | 3 | Serious |
| Sun 21 Jan 1990 | Weymouth and Portland | 2 | 1 | Slight |
| Tue 30 Jan 1990 | Weymouth and Portland | 2 | 1 | Slight |
| Sun 4 Feb 1990 | West Dorset | 2 | 1 | Slight |
| Mon 19 Feb 1990 | West Dorset | 2 | 1 | Slight |
| Fri 23 Feb 1990 | Weymouth and Portland | 2 | 1 | Serious |
| Thu 1 Mar 1990 | West Dorset | 1 | 2 | Slight |
| Mon 5 Mar 1990 | West Dorset | 1 | 2 | Serious |
| Wed 7 Mar 1990 | Weymouth and Portland | 2 | 1 | Slight |
| Mon 19 Mar 1990 | Weymouth and Portland | 2 | 1 | Slight |
| Thu 22 Mar 1990 | West Dorset | 2 | 1 | Slight |
| Wed 28 Mar 1990 | West Dorset | 2 | 2 | Fatal |
| Tue 3 Apr 1990 | West Dorset | 1 | 1 | Serious |
| Thu 26 Apr 1990 | West Dorset | 2 | 1 | Slight |
| Sun 6 May 1990 | Weymouth and Portland | 2 | 1 | Slight |
| Mon 7 May 1990 | West Dorset | 1 | 1 | Slight |
| Fri 11 May 1990 | West Dorset | 2 | 1 | Slight |
| Wed 16 May 1990 | Weymouth and Portland | 2 | 1 | Slight |
| Tue 22 May 1990 | West Dorset | 2 | 4 | Slight |
| Tue 12 Jun 1990 | Weymouth and Portland | 2 | 1 | Slight |
| Thu 21 Jun 1990 | Weymouth and Portland | 2 | 1 | Slight |
| Thu 21 Jun 1990 | Weymouth and Portland | 2 | 1 | Slight |
| Fri 22 Jun 1990 | Weymouth and Portland | 2 | 2 | Slight |
| Sat 23 Jun 1990 | West Dorset | 2 | 3 | Slight |
| Sat 23 Jun 1990 | Weymouth and Portland | 2 | 1 | Slight |
| Mon 25 Jun 1990 | Weymouth and Portland | 3 | 1 | Slight |
| Fri 6 Jul 1990 | Weymouth and Portland | 2 | 2 | Slight |
| Fri 6 Jul 1990 | West Dorset | 2 | 2 | Slight |
| Sun 8 Jul 1990 | West Dorset | 2 | 1 | Slight |
| Sat 14 Jul 1990 | West Dorset | 3 | 1 | Serious |
| Tue 17 Jul 1990 | West Dorset | 1 | 1 | Slight |
| Fri 3 Aug 1990 | West Dorset | 1 | 1 | Slight |
| Sat 4 Aug 1990 | West Dorset | 1 | 1 | Slight |
| Sun 19 Aug 1990 | West Dorset | 2 | 6 | Slight |
| Sun 26 Aug 1990 | West Dorset | 2 | 1 | Slight |
| Sun 2 Sep 1990 | West Dorset | 2 | 1 | Slight |
| Fri 14 Sep 1990 | Weymouth and Portland | 2 | 1 | Slight |
| Thu 20 Sep 1990 | Weymouth and Portland | 2 | 1 | Slight |
| Sat 22 Sep 1990 | West Dorset | 1 | 1 | Slight |
| Thu 27 Sep 1990 | West Dorset | 4 | 1 | Slight |
| Mon 8 Oct 1990 | Weymouth and Portland | 2 | 1 | Slight |
| Fri 19 Oct 1990 | West Dorset | 5 | 4 | Serious |
| Tue 30 Oct 1990 | West Dorset | 1 | 1 | Serious |
| Wed 7 Nov 1990 | West Dorset | 4 | 2 | Slight |
| Sun 25 Nov 1990 | Weymouth and Portland | 2 | 1 | Slight |
| Tue 27 Nov 1990 | Weymouth and Portland | 2 | 2 | Slight |
| Mon 3 Dec 1990 | West Dorset | 2 | 1 | Slight |
| Tue 4 Dec 1990 | West Dorset | 2 | 1 | Serious |
| Tue 4 Dec 1990 | West Dorset | 2 | 1 | Slight |
| Fri 7 Dec 1990 | Weymouth and Portland | 2 | 1 | Slight |
| Fri 14 Dec 1990 | Weymouth and Portland | 1 | 1 | Slight |
| Sat 15 Dec 1990 | Weymouth and Portland | 2 | 1 | Slight |
| Fri 21 Dec 1990 | West Dorset | 1 | 1 | Slight |
| Mon 24 Dec 1990 | Weymouth and Portland | 2 | 1 | Slight |
| Sat 29 Dec 1990 | Weymouth and Portland | 2 | 2 | Slight |