Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Tue 8 Jan 1980 | Weymouth and Portland | 2 | 1 | Slight |
| Fri 11 Jan 1980 | Weymouth and Portland | 2 | 1 | Slight |
| Sun 13 Jan 1980 | Weymouth and Portland | 2 | 1 | Slight |
| Sun 13 Jan 1980 | Weymouth and Portland | 2 | 1 | Slight |
| Thu 17 Jan 1980 | North Dorset | 2 | 1 | Slight |
| Sun 20 Jan 1980 | Weymouth and Portland | 2 | 1 | Slight |
| Mon 21 Jan 1980 | Weymouth and Portland | 1 | 1 | Serious |
| Mon 21 Jan 1980 | Weymouth and Portland | 1 | 1 | Serious |
| Wed 23 Jan 1980 | Weymouth and Portland | 1 | 1 | Slight |
| Tue 29 Jan 1980 | Weymouth and Portland | 1 | 2 | Fatal |
| Fri 1 Feb 1980 | Weymouth and Portland | 2 | 2 | Slight |
| Sat 2 Feb 1980 | Weymouth and Portland | 2 | 1 | Serious |
| Sat 2 Feb 1980 | North Dorset | 2 | 1 | Slight |
| Wed 6 Feb 1980 | Weymouth and Portland | 1 | 1 | Serious |
| Thu 7 Feb 1980 | Weymouth and Portland | 3 | 1 | Slight |
| Thu 7 Feb 1980 | Weymouth and Portland | 2 | 3 | Serious |
| Tue 12 Feb 1980 | Salisbury | 1 | 1 | Slight |
| Fri 15 Feb 1980 | West Dorset | 2 | 1 | Slight |
| Mon 18 Feb 1980 | Weymouth and Portland | 2 | 1 | Slight |
| Mon 18 Feb 1980 | Weymouth and Portland | 2 | 1 | Slight |
| Tue 19 Feb 1980 | North Dorset | 2 | 1 | Slight |
| Wed 20 Feb 1980 | Weymouth and Portland | 2 | 1 | Slight |
| Wed 20 Feb 1980 | Weymouth and Portland | 2 | 2 | Slight |
| Thu 21 Feb 1980 | West Dorset | 1 | 1 | Serious |
| Thu 21 Feb 1980 | Weymouth and Portland | 3 | 1 | Slight |
| Mon 25 Feb 1980 | Salisbury | 2 | 1 | Serious |
| Mon 3 Mar 1980 | North Dorset | 2 | 1 | Slight |
| Wed 12 Mar 1980 | Weymouth and Portland | 2 | 1 | Serious |
| Sun 16 Mar 1980 | Weymouth and Portland | 1 | 2 | Serious |
| Tue 18 Mar 1980 | North Dorset | 3 | 4 | Serious |
| Wed 19 Mar 1980 | Salisbury | 4 | 1 | Slight |
| Thu 20 Mar 1980 | Weymouth and Portland | 2 | 1 | Slight |
| Sat 22 Mar 1980 | Weymouth and Portland | 1 | 1 | Serious |
| Mon 24 Mar 1980 | North Dorset | 2 | 1 | Serious |
| Tue 25 Mar 1980 | Salisbury | 2 | 1 | Serious |
| Thu 27 Mar 1980 | Weymouth and Portland | 2 | 2 | Serious |
| Sat 29 Mar 1980 | West Dorset | 1 | 1 | Slight |
| Sat 29 Mar 1980 | Weymouth and Portland | 2 | 2 | Serious |
| Fri 4 Apr 1980 | West Dorset | 1 | 1 | Slight |
| Fri 4 Apr 1980 | New Forest | 2 | 1 | Slight |
| Sun 6 Apr 1980 | Weymouth and Portland | 3 | 1 | Slight |
| Sun 6 Apr 1980 | Weymouth and Portland | 3 | 1 | Slight |
| Tue 8 Apr 1980 | North Dorset | 2 | 1 | Slight |
| Wed 9 Apr 1980 | Weymouth and Portland | 1 | 1 | Slight |
| Fri 11 Apr 1980 | Weymouth and Portland | 2 | 1 | Slight |
| Fri 11 Apr 1980 | Weymouth and Portland | 2 | 1 | Slight |
| Sun 13 Apr 1980 | North Dorset | 2 | 2 | Slight |
| Mon 14 Apr 1980 | North Dorset | 2 | 1 | Slight |
| Fri 18 Apr 1980 | North Dorset | 2 | 1 | Serious |
| Sun 27 Apr 1980 | North Dorset | 3 | 1 | Slight |
| Sat 3 May 1980 | Weymouth and Portland | 2 | 2 | Serious |
| Sun 4 May 1980 | Weymouth and Portland | 2 | 2 | Serious |
| Thu 8 May 1980 | East Dorset | 2 | 1 | Slight |
| Thu 8 May 1980 | Weymouth and Portland | 1 | 1 | Slight |
| Sun 11 May 1980 | Weymouth and Portland | 2 | 1 | Serious |
| Sun 18 May 1980 | Weymouth and Portland | 1 | 1 | Serious |
| Sun 18 May 1980 | Weymouth and Portland | 1 | 1 | Serious |
| Thu 22 May 1980 | Weymouth and Portland | 1 | 1 | Slight |
| Fri 23 May 1980 | Weymouth and Portland | 1 | 1 | Slight |
| Mon 26 May 1980 | Salisbury | 1 | 1 | Slight |
| Thu 29 May 1980 | Weymouth and Portland | 2 | 1 | Slight |
| Mon 2 Jun 1980 | Salisbury | 3 | 1 | Slight |
| Tue 3 Jun 1980 | Weymouth and Portland | 1 | 1 | Slight |
| Wed 4 Jun 1980 | East Dorset | 1 | 1 | Serious |
| Fri 6 Jun 1980 | Weymouth and Portland | 1 | 1 | Slight |
| Sat 7 Jun 1980 | Weymouth and Portland | 2 | 10 | Serious |
| Sun 8 Jun 1980 | West Dorset | 1 | 1 | Slight |
| Sun 8 Jun 1980 | West Dorset | 2 | 1 | Slight |
| Thu 12 Jun 1980 | Weymouth and Portland | 1 | 1 | Slight |
| Thu 12 Jun 1980 | Weymouth and Portland | 1 | 1 | Serious |
| Thu 12 Jun 1980 | Weymouth and Portland | 1 | 1 | Serious |
| Fri 13 Jun 1980 | Weymouth and Portland | 2 | 1 | Slight |
| Fri 13 Jun 1980 | Weymouth and Portland | 2 | 1 | Slight |
| Sat 14 Jun 1980 | North Dorset | 3 | 3 | Serious |
| Sun 15 Jun 1980 | Weymouth and Portland | 2 | 1 | Slight |
| Sun 15 Jun 1980 | West Dorset | 1 | 1 | Slight |
| Mon 16 Jun 1980 | North Dorset | 1 | 1 | Slight |
| Mon 16 Jun 1980 | Weymouth and Portland | 1 | 1 | Slight |
| Tue 17 Jun 1980 | Weymouth and Portland | 2 | 1 | Slight |
| Wed 18 Jun 1980 | North Dorset | 2 | 1 | Slight |
| Fri 20 Jun 1980 | North Dorset | 1 | 1 | Slight |
| Sat 21 Jun 1980 | Weymouth and Portland | 2 | 1 | Slight |
| Sun 22 Jun 1980 | Weymouth and Portland | 2 | 1 | Slight |
| Sun 22 Jun 1980 | East Dorset | 2 | 1 | Serious |
| Mon 23 Jun 1980 | Weymouth and Portland | 2 | 3 | Serious |
| Fri 27 Jun 1980 | Weymouth and Portland | 2 | 1 | Slight |
| Fri 27 Jun 1980 | North Dorset | 2 | 1 | Slight |
| Sun 29 Jun 1980 | Weymouth and Portland | 2 | 1 | Slight |
| Sun 29 Jun 1980 | Weymouth and Portland | 2 | 1 | Slight |
| Sun 29 Jun 1980 | Weymouth and Portland | 1 | 2 | Serious |
| Tue 1 Jul 1980 | Weymouth and Portland | 1 | 1 | Slight |
| Thu 3 Jul 1980 | West Dorset | 1 | 1 | Serious |
| Thu 3 Jul 1980 | Weymouth and Portland | 1 | 1 | Slight |
| Mon 7 Jul 1980 | North Dorset | 2 | 1 | Serious |
| Mon 7 Jul 1980 | Weymouth and Portland | 1 | 1 | Serious |
| Tue 8 Jul 1980 | Weymouth and Portland | 1 | 1 | Slight |
| Sat 12 Jul 1980 | North Dorset | 2 | 1 | Slight |
| Sun 13 Jul 1980 | Weymouth and Portland | 1 | 1 | Slight |
| Tue 15 Jul 1980 | Salisbury | 2 | 1 | Slight |
| Thu 17 Jul 1980 | North Dorset | 2 | 1 | Slight |
| Fri 18 Jul 1980 | Weymouth and Portland | 2 | 1 | Slight |
| Tue 22 Jul 1980 | North Dorset | 2 | 1 | Slight |
| Thu 24 Jul 1980 | Weymouth and Portland | 2 | 1 | Slight |
| Thu 24 Jul 1980 | Weymouth and Portland | 3 | 1 | Slight |
| Fri 25 Jul 1980 | West Dorset | 2 | 2 | Slight |
| Fri 25 Jul 1980 | North Dorset | 2 | 1 | Slight |
| Fri 25 Jul 1980 | Salisbury | 2 | 1 | Slight |
| Sun 27 Jul 1980 | Weymouth and Portland | 3 | 1 | Slight |
| Tue 29 Jul 1980 | Weymouth and Portland | 2 | 2 | Slight |
| Tue 29 Jul 1980 | West Dorset | 1 | 1 | Slight |
| Thu 31 Jul 1980 | Weymouth and Portland | 1 | 1 | Slight |
| Thu 31 Jul 1980 | Weymouth and Portland | 1 | 1 | Slight |
| Fri 1 Aug 1980 | North Dorset | 2 | 2 | Serious |
| Fri 1 Aug 1980 | Weymouth and Portland | 2 | 1 | Slight |
| Tue 5 Aug 1980 | West Dorset | 1 | 1 | Slight |
| Wed 6 Aug 1980 | Weymouth and Portland | 1 | 1 | Slight |
| Thu 7 Aug 1980 | Weymouth and Portland | 1 | 1 | Slight |
| Sat 9 Aug 1980 | Weymouth and Portland | 1 | 1 | Slight |
| Mon 11 Aug 1980 | Weymouth and Portland | 1 | 1 | Slight |
| Wed 13 Aug 1980 | North Dorset | 2 | 1 | Serious |
| Sat 16 Aug 1980 | Weymouth and Portland | 2 | 1 | Slight |
| Sun 17 Aug 1980 | West Dorset | 2 | 1 | Serious |
| Tue 19 Aug 1980 | West Dorset | 2 | 1 | Slight |
| Thu 21 Aug 1980 | Weymouth and Portland | 3 | 2 | Slight |
| Thu 21 Aug 1980 | Weymouth and Portland | 1 | 2 | Slight |
| Sun 24 Aug 1980 | Weymouth and Portland | 2 | 1 | Slight |
| Mon 25 Aug 1980 | West Dorset | 3 | 1 | Slight |
| Mon 25 Aug 1980 | West Dorset | 3 | 2 | Slight |
| Tue 26 Aug 1980 | Weymouth and Portland | 2 | 3 | Slight |
| Fri 29 Aug 1980 | Salisbury | 3 | 4 | Slight |
| Fri 29 Aug 1980 | Weymouth and Portland | 1 | 1 | Slight |
| Sat 30 Aug 1980 | Weymouth and Portland | 1 | 2 | Serious |
| Mon 1 Sep 1980 | Weymouth and Portland | 1 | 1 | Slight |
| Tue 2 Sep 1980 | West Dorset | 1 | 2 | Slight |
| Sat 6 Sep 1980 | North Dorset | 1 | 3 | Slight |
| Sun 7 Sep 1980 | Weymouth and Portland | 1 | 1 | Slight |
| Wed 10 Sep 1980 | Weymouth and Portland | 2 | 1 | Serious |
| Thu 11 Sep 1980 | Salisbury | 2 | 1 | Slight |
| Tue 16 Sep 1980 | Weymouth and Portland | 2 | 1 | Slight |
| Tue 16 Sep 1980 | Weymouth and Portland | 2 | 1 | Slight |
| Thu 18 Sep 1980 | Weymouth and Portland | 2 | 1 | Slight |
| Wed 24 Sep 1980 | Weymouth and Portland | 1 | 1 | Slight |
| Sat 27 Sep 1980 | North Dorset | 2 | 3 | Slight |
| Sat 27 Sep 1980 | North Dorset | 3 | 1 | Slight |
| Sun 28 Sep 1980 | Weymouth and Portland | 2 | 2 | Slight |
| Thu 2 Oct 1980 | Weymouth and Portland | 2 | 1 | Slight |
| Thu 9 Oct 1980 | North Dorset | 2 | 1 | Slight |
| Thu 9 Oct 1980 | Weymouth and Portland | 2 | 2 | Slight |
| Fri 10 Oct 1980 | Salisbury | 2 | 2 | Slight |
| Sat 11 Oct 1980 | Weymouth and Portland | 3 | 1 | Slight |
| Sun 12 Oct 1980 | Weymouth and Portland | 1 | 1 | Slight |
| Mon 13 Oct 1980 | Weymouth and Portland | 1 | 2 | Fatal |
| Fri 17 Oct 1980 | Weymouth and Portland | 1 | 1 | Slight |
| Wed 22 Oct 1980 | West Dorset | 2 | 1 | Slight |
| Fri 24 Oct 1980 | North Dorset | 1 | 1 | Slight |
| Sat 25 Oct 1980 | Weymouth and Portland | 1 | 1 | Slight |
| Wed 29 Oct 1980 | North Dorset | 2 | 1 | Slight |
| Thu 30 Oct 1980 | Salisbury | 2 | 1 | Slight |
| Mon 3 Nov 1980 | Weymouth and Portland | 1 | 1 | Slight |
| Tue 4 Nov 1980 | Weymouth and Portland | 1 | 1 | Fatal |
| Fri 7 Nov 1980 | Weymouth and Portland | 2 | 1 | Slight |
| Mon 10 Nov 1980 | West Dorset | 1 | 1 | Slight |
| Wed 12 Nov 1980 | Weymouth and Portland | 2 | 3 | Serious |
| Wed 12 Nov 1980 | Weymouth and Portland | 2 | 1 | Serious |
| Thu 13 Nov 1980 | West Dorset | 3 | 1 | Slight |
| Fri 14 Nov 1980 | Weymouth and Portland | 3 | 2 | Slight |
| Sat 15 Nov 1980 | Salisbury | 1 | 1 | Serious |
| Sun 16 Nov 1980 | Weymouth and Portland | 2 | 2 | Serious |
| Tue 18 Nov 1980 | Weymouth and Portland | 1 | 1 | Slight |
| Wed 19 Nov 1980 | Salisbury | 1 | 1 | Slight |
| Fri 28 Nov 1980 | Salisbury | 2 | 3 | Fatal |
| Sat 29 Nov 1980 | North Dorset | 2 | 1 | Slight |
| Sat 29 Nov 1980 | West Dorset | 2 | 2 | Serious |
| Mon 1 Dec 1980 | North Dorset | 2 | 1 | Slight |
| Mon 1 Dec 1980 | Weymouth and Portland | 1 | 1 | Slight |
| Thu 11 Dec 1980 | Weymouth and Portland | 2 | 1 | Slight |
| Sat 13 Dec 1980 | West Dorset | 1 | 1 | Slight |
| Sun 14 Dec 1980 | Weymouth and Portland | 2 | 1 | Slight |
| Tue 16 Dec 1980 | Weymouth and Portland | 2 | 2 | Serious |
| Tue 23 Dec 1980 | Weymouth and Portland | 2 | 1 | Slight |
| Wed 24 Dec 1980 | West Dorset | 2 | 1 | Slight |
| Fri 26 Dec 1980 | Weymouth and Portland | 1 | 1 | Slight |