Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Tue 4 Jan 1983 | Stevenage | 2 | 1 | Slight |
| Thu 6 Jan 1983 | East Hertfordshire | 2 | 3 | Fatal |
| Sat 8 Jan 1983 | North Hertfordshire | 2 | 4 | Slight |
| Sat 15 Jan 1983 | Stevenage | 1 | 1 | Slight |
| Tue 18 Jan 1983 | North Hertfordshire | 3 | 1 | Slight |
| Mon 31 Jan 1983 | North Hertfordshire | 2 | 1 | Slight |
| Wed 2 Feb 1983 | Stevenage | 1 | 1 | Slight |
| Wed 2 Feb 1983 | North Hertfordshire | 2 | 2 | Serious |
| Sat 5 Feb 1983 | East Hertfordshire | 2 | 1 | Slight |
| Mon 7 Feb 1983 | East Hertfordshire | 2 | 1 | Serious |
| Sun 13 Feb 1983 | Stevenage | 4 | 3 | Slight |
| Mon 14 Feb 1983 | Stevenage | 1 | 1 | Serious |
| Sat 19 Feb 1983 | Stevenage | 2 | 1 | Slight |
| Sat 19 Feb 1983 | Stevenage | 2 | 1 | Slight |
| Sun 20 Feb 1983 | East Hertfordshire | 1 | 1 | Slight |
| Fri 25 Feb 1983 | Stevenage | 1 | 1 | Slight |
| Tue 1 Mar 1983 | North Hertfordshire | 2 | 2 | Slight |
| Fri 11 Mar 1983 | North Hertfordshire | 1 | 5 | Serious |
| Mon 14 Mar 1983 | Stevenage | 2 | 1 | Slight |
| Thu 17 Mar 1983 | Stevenage | 3 | 1 | Slight |
| Fri 18 Mar 1983 | Stevenage | 2 | 1 | Slight |
| Fri 18 Mar 1983 | Stevenage | 2 | 1 | Slight |
| Tue 22 Mar 1983 | Stevenage | 1 | 1 | Slight |
| Mon 4 Apr 1983 | Stevenage | 1 | 1 | Slight |
| Mon 11 Apr 1983 | East Hertfordshire | 1 | 1 | Serious |
| Tue 19 Apr 1983 | Stevenage | 2 | 1 | Slight |
| Wed 27 Apr 1983 | Stevenage | 1 | 1 | Slight |
| Thu 28 Apr 1983 | Stevenage | 2 | 1 | Slight |
| Fri 29 Apr 1983 | East Hertfordshire | 2 | 1 | Serious |
| Thu 5 May 1983 | North Hertfordshire | 1 | 1 | Slight |
| Fri 6 May 1983 | East Hertfordshire | 2 | 1 | Slight |
| Fri 6 May 1983 | North Hertfordshire | 2 | 1 | Slight |
| Wed 18 May 1983 | Stevenage | 2 | 1 | Slight |
| Sat 21 May 1983 | Stevenage | 1 | 4 | Serious |
| Sun 22 May 1983 | North Hertfordshire | 2 | 1 | Slight |
| Mon 23 May 1983 | Stevenage | 2 | 2 | Slight |
| Sun 29 May 1983 | Stevenage | 2 | 3 | Slight |
| Tue 31 May 1983 | Stevenage | 2 | 2 | Serious |
| Fri 10 Jun 1983 | North Hertfordshire | 1 | 1 | Slight |
| Mon 20 Jun 1983 | North Hertfordshire | 2 | 4 | Slight |
| Tue 21 Jun 1983 | Stevenage | 2 | 1 | Slight |
| Wed 22 Jun 1983 | Stevenage | 1 | 1 | Slight |
| Wed 22 Jun 1983 | Stevenage | 1 | 1 | Slight |
| Sat 25 Jun 1983 | East Hertfordshire | 1 | 1 | Slight |
| Mon 27 Jun 1983 | East Hertfordshire | 2 | 2 | Slight |
| Thu 30 Jun 1983 | Stevenage | 2 | 1 | Serious |
| Sun 17 Jul 1983 | Stevenage | 1 | 4 | Serious |
| Sat 23 Jul 1983 | Stevenage | 1 | 1 | Slight |
| Wed 27 Jul 1983 | North Hertfordshire | 1 | 1 | Serious |
| Thu 28 Jul 1983 | North Hertfordshire | 2 | 1 | Slight |
| Fri 29 Jul 1983 | Stevenage | 2 | 1 | Slight |
| Wed 10 Aug 1983 | Stevenage | 1 | 1 | Slight |
| Fri 12 Aug 1983 | North Hertfordshire | 3 | 3 | Serious |
| Mon 15 Aug 1983 | East Hertfordshire | 1 | 1 | Slight |
| Mon 15 Aug 1983 | Stevenage | 1 | 1 | Slight |
| Fri 26 Aug 1983 | East Hertfordshire | 1 | 1 | Slight |
| Fri 26 Aug 1983 | Stevenage | 2 | 2 | Slight |
| Wed 31 Aug 1983 | Stevenage | 1 | 1 | Slight |
| Thu 8 Sep 1983 | East Hertfordshire | 1 | 2 | Slight |
| Mon 19 Sep 1983 | East Hertfordshire | 2 | 1 | Slight |
| Tue 20 Sep 1983 | Stevenage | 2 | 1 | Slight |
| Fri 23 Sep 1983 | North Hertfordshire | 2 | 1 | Slight |
| Sat 1 Oct 1983 | North Hertfordshire | 1 | 4 | Serious |
| Tue 4 Oct 1983 | Stevenage | 1 | 1 | Slight |
| Tue 4 Oct 1983 | North Hertfordshire | 2 | 1 | Slight |
| Tue 4 Oct 1983 | Stevenage | 1 | 1 | Slight |
| Tue 4 Oct 1983 | East Hertfordshire | 2 | 2 | Slight |
| Wed 12 Oct 1983 | North Hertfordshire | 2 | 1 | Slight |
| Mon 17 Oct 1983 | Stevenage | 1 | 1 | Slight |
| Sun 23 Oct 1983 | East Hertfordshire | 2 | 2 | Serious |
| Mon 24 Oct 1983 | North Hertfordshire | 2 | 1 | Slight |
| Mon 31 Oct 1983 | Stevenage | 2 | 1 | Slight |
| Mon 31 Oct 1983 | Stevenage | 1 | 1 | Slight |
| Tue 1 Nov 1983 | Stevenage | 2 | 1 | Serious |
| Fri 4 Nov 1983 | Stevenage | 2 | 1 | Serious |
| Sat 5 Nov 1983 | East Hertfordshire | 1 | 1 | Slight |
| Sun 6 Nov 1983 | North Hertfordshire | 2 | 1 | Slight |
| Tue 8 Nov 1983 | Stevenage | 1 | 1 | Serious |
| Thu 10 Nov 1983 | North Hertfordshire | 2 | 1 | Slight |
| Fri 11 Nov 1983 | Stevenage | 3 | 2 | Serious |
| Mon 14 Nov 1983 | North Hertfordshire | 2 | 1 | Slight |
| Thu 17 Nov 1983 | Stevenage | 2 | 1 | Slight |
| Thu 17 Nov 1983 | Stevenage | 2 | 2 | Slight |
| Sat 26 Nov 1983 | East Hertfordshire | 1 | 1 | Serious |
| Tue 29 Nov 1983 | Stevenage | 2 | 1 | Slight |
| Thu 1 Dec 1983 | East Hertfordshire | 2 | 2 | Slight |
| Fri 2 Dec 1983 | Stevenage | 2 | 3 | Slight |
| Fri 2 Dec 1983 | Stevenage | 1 | 1 | Serious |
| Sat 3 Dec 1983 | Stevenage | 1 | 1 | Slight |
| Sun 4 Dec 1983 | East Hertfordshire | 1 | 1 | Slight |
| Sun 4 Dec 1983 | North Hertfordshire | 1 | 1 | Slight |
| Mon 5 Dec 1983 | East Hertfordshire | 1 | 1 | Serious |
| Tue 6 Dec 1983 | East Hertfordshire | 2 | 1 | Slight |
| Thu 15 Dec 1983 | Stevenage | 2 | 1 | Slight |
| Tue 20 Dec 1983 | Stevenage | 1 | 2 | Serious |
| Fri 23 Dec 1983 | Stevenage | 1 | 1 | Slight |
| Fri 23 Dec 1983 | Stevenage | 1 | 1 | Slight |
| Fri 23 Dec 1983 | East Hertfordshire | 3 | 1 | Slight |
| Sat 24 Dec 1983 | East Hertfordshire | 3 | 4 | Serious |
| Mon 26 Dec 1983 | Stevenage | 4 | 1 | Slight |
| Tue 27 Dec 1983 | Stevenage | 2 | 1 | Slight |