Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Tue 1 Jan 1980 | Mendip | 1 | 1 | Serious |
| Fri 4 Jan 1980 | Mendip | 2 | 1 | Slight |
| Thu 17 Jan 1980 | Mendip | 2 | 1 | Slight |
| Fri 18 Jan 1980 | North Somerset | 2 | 2 | Serious |
| Thu 31 Jan 1980 | Sedgemoor | 2 | 1 | Slight |
| Sun 10 Feb 1980 | Sedgemoor | 1 | 1 | Slight |
| Mon 3 Mar 1980 | Mendip | 2 | 1 | Slight |
| Tue 4 Mar 1980 | Mendip | 2 | 1 | Slight |
| Wed 12 Mar 1980 | Mendip | 2 | 1 | Serious |
| Wed 19 Mar 1980 | South Somerset | 1 | 1 | Slight |
| Sat 5 Apr 1980 | Mendip | 1 | 1 | Slight |
| Fri 11 Apr 1980 | North Somerset | 2 | 1 | Slight |
| Sun 13 Apr 1980 | Sedgemoor | 2 | 3 | Slight |
| Tue 15 Apr 1980 | North Somerset | 2 | 1 | Serious |
| Thu 24 Apr 1980 | Mendip | 2 | 1 | Serious |
| Sun 27 Apr 1980 | North Somerset | 1 | 2 | Slight |
| Mon 28 Apr 1980 | Mendip | 2 | 1 | Slight |
| Mon 28 Apr 1980 | South Somerset | 1 | 1 | Serious |
| Fri 9 May 1980 | Mendip | 3 | 1 | Serious |
| Sat 10 May 1980 | South Somerset | 2 | 2 | Slight |
| Sun 11 May 1980 | Mendip | 3 | 2 | Slight |
| Mon 12 May 1980 | North Somerset | 1 | 1 | Slight |
| Tue 13 May 1980 | Mendip | 2 | 1 | Slight |
| Fri 16 May 1980 | North Somerset | 2 | 1 | Serious |
| Sat 17 May 1980 | Sedgemoor | 2 | 2 | Serious |
| Sun 25 May 1980 | Sedgemoor | 1 | 1 | Slight |
| Wed 28 May 1980 | Sedgemoor | 3 | 3 | Serious |
| Mon 2 Jun 1980 | Mendip | 2 | 1 | Slight |
| Mon 2 Jun 1980 | Mendip | 2 | 1 | Serious |
| Thu 12 Jun 1980 | North Somerset | 2 | 1 | Slight |
| Thu 12 Jun 1980 | North Somerset | 1 | 1 | Slight |
| Fri 13 Jun 1980 | North Somerset | 2 | 2 | Slight |
| Sat 21 Jun 1980 | Sedgemoor | 2 | 1 | Serious |
| Sun 22 Jun 1980 | Sedgemoor | 1 | 1 | Serious |
| Tue 24 Jun 1980 | Sedgemoor | 3 | 2 | Serious |
| Wed 25 Jun 1980 | North Somerset | 2 | 1 | Slight |
| Thu 26 Jun 1980 | North Somerset | 2 | 1 | Slight |
| Thu 26 Jun 1980 | South Somerset | 2 | 3 | Slight |
| Thu 10 Jul 1980 | North Somerset | 1 | 1 | Slight |
| Fri 11 Jul 1980 | South Somerset | 1 | 1 | Serious |
| Sun 13 Jul 1980 | Sedgemoor | 2 | 1 | Slight |
| Wed 16 Jul 1980 | North Somerset | 1 | 1 | Fatal |
| Sun 27 Jul 1980 | Sedgemoor | 1 | 1 | Slight |
| Wed 6 Aug 1980 | Sedgemoor | 1 | 4 | Serious |
| Sat 9 Aug 1980 | Sedgemoor | 2 | 1 | Slight |
| Thu 28 Aug 1980 | North Somerset | 2 | 2 | Slight |
| Mon 1 Sep 1980 | North Somerset | 2 | 1 | Fatal |
| Thu 11 Sep 1980 | Mendip | 2 | 1 | Slight |
| Sat 13 Sep 1980 | Mendip | 1 | 1 | Slight |
| Sun 21 Sep 1980 | North Somerset | 2 | 1 | Serious |
| Wed 24 Sep 1980 | Mendip | 2 | 1 | Slight |
| Thu 2 Oct 1980 | North Somerset | 2 | 1 | Serious |
| Fri 3 Oct 1980 | North Somerset | 2 | 1 | Serious |
| Sun 12 Oct 1980 | Mendip | 2 | 1 | Slight |
| Wed 15 Oct 1980 | North Somerset | 2 | 1 | Slight |
| Wed 22 Oct 1980 | Mendip | 2 | 1 | Slight |
| Thu 23 Oct 1980 | North Somerset | 2 | 1 | Slight |
| Tue 4 Nov 1980 | Sedgemoor | 2 | 2 | Serious |
| Mon 10 Nov 1980 | Sedgemoor | 2 | 1 | Serious |
| Sun 16 Nov 1980 | Mendip | 2 | 3 | Fatal |
| Wed 19 Nov 1980 | North Somerset | 1 | 1 | Serious |
| Mon 24 Nov 1980 | North Somerset | 1 | 1 | Slight |
| Mon 1 Dec 1980 | Mendip | 1 | 1 | Slight |
| Tue 2 Dec 1980 | South Somerset | 2 | 3 | Serious |
| Mon 8 Dec 1980 | North Somerset | 1 | 1 | Serious |
| Mon 8 Dec 1980 | Sedgemoor | 2 | 1 | Serious |
| Wed 10 Dec 1980 | Mendip | 2 | 2 | Serious |
| Fri 12 Dec 1980 | Sedgemoor | 2 | 1 | Slight |
| Tue 16 Dec 1980 | North Somerset | 2 | 1 | Slight |
| Mon 22 Dec 1980 | Sedgemoor | 2 | 3 | Serious |
| Tue 23 Dec 1980 | Mendip | 2 | 2 | Serious |
| Tue 23 Dec 1980 | North Somerset | 2 | 1 | Slight |
| Wed 31 Dec 1980 | Mendip | 2 | 1 | Slight |