Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Wed 23 Jan 1980 | North Hertfordshire | 1 | 1 | Slight |
| Wed 23 Jan 1980 | North Hertfordshire | 1 | 1 | Slight |
| Thu 7 Feb 1980 | North Hertfordshire | 1 | 1 | Slight |
| Thu 7 Feb 1980 | North Hertfordshire | 1 | 1 | Slight |
| Thu 20 Mar 1980 | North Hertfordshire | 1 | 1 | Slight |
| Thu 20 Mar 1980 | North Hertfordshire | 1 | 1 | Slight |
| Sun 1 Jun 1980 | North Hertfordshire | 1 | 2 | Slight |
| Sun 1 Jun 1980 | North Hertfordshire | 1 | 2 | Slight |
| Thu 3 Jul 1980 | North Hertfordshire | 2 | 1 | Slight |
| Sat 19 Jul 1980 | North Hertfordshire | 2 | 2 | Slight |
| Sat 19 Jul 1980 | North Hertfordshire | 2 | 2 | Slight |
| Thu 28 Aug 1980 | North Hertfordshire | 2 | 1 | Serious |
| Sat 6 Sep 1980 | North Hertfordshire | 2 | 1 | Slight |
| Sat 6 Sep 1980 | North Hertfordshire | 2 | 1 | Slight |
| Fri 26 Sep 1980 | North Hertfordshire | 2 | 1 | Slight |
| Fri 26 Sep 1980 | North Hertfordshire | 2 | 1 | Slight |
| Mon 6 Oct 1980 | North Hertfordshire | 1 | 1 | Slight |
| Tue 7 Oct 1980 | North Hertfordshire | 1 | 1 | Slight |
| Thu 9 Oct 1980 | North Hertfordshire | 1 | 2 | Slight |
| Fri 31 Oct 1980 | North Hertfordshire | 2 | 1 | Serious |
| Fri 31 Oct 1980 | North Hertfordshire | 2 | 1 | Serious |
| Sat 1 Nov 1980 | North Hertfordshire | 1 | 1 | Slight |
| Sat 1 Nov 1980 | North Hertfordshire | 1 | 1 | Slight |
| Sat 8 Nov 1980 | North Hertfordshire | 2 | 2 | Slight |
| Sat 8 Nov 1980 | North Hertfordshire | 2 | 2 | Slight |
| Thu 18 Dec 1980 | North Hertfordshire | 1 | 1 | Slight |