Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Sat 28 Jan 1984 | Hertsmere | 1 | 1 | Slight |
| Fri 17 Feb 1984 | Hertsmere | 2 | 1 | Slight |
| Sat 3 Mar 1984 | Hertsmere | 1 | 1 | Slight |
| Thu 29 Mar 1984 | Hertsmere | 2 | 1 | Slight |
| Thu 29 Mar 1984 | Hertsmere | 3 | 1 | Slight |
| Mon 2 Apr 1984 | Hertsmere | 2 | 1 | Serious |
| Wed 11 Apr 1984 | Hertsmere | 2 | 1 | Slight |
| Fri 27 Apr 1984 | Hertsmere | 2 | 1 | Slight |
| Tue 29 May 1984 | Hertsmere | 1 | 1 | Slight |
| Sat 2 Jun 1984 | Hertsmere | 1 | 1 | Slight |
| Mon 11 Jun 1984 | Hertsmere | 1 | 1 | Slight |
| Mon 2 Jul 1984 | Hertsmere | 2 | 1 | Slight |
| Thu 12 Jul 1984 | Hertsmere | 1 | 1 | Slight |
| Sun 29 Jul 1984 | Hertsmere | 2 | 1 | Slight |
| Sun 29 Jul 1984 | Hertsmere | 2 | 2 | Slight |
| Sun 29 Jul 1984 | Hertsmere | 1 | 1 | Serious |
| Mon 6 Aug 1984 | Hertsmere | 2 | 1 | Slight |
| Tue 21 Aug 1984 | Hertsmere | 1 | 2 | Slight |
| Sat 15 Sep 1984 | Hertsmere | 1 | 1 | Slight |
| Mon 17 Sep 1984 | Hertsmere | 4 | 2 | Slight |
| Mon 8 Oct 1984 | Hertsmere | 2 | 1 | Slight |
| Mon 19 Nov 1984 | Hertsmere | 2 | 1 | Slight |
| Sat 24 Nov 1984 | Hertsmere | 1 | 1 | Slight |
| Thu 29 Nov 1984 | Hertsmere | 1 | 1 | Slight |
| Fri 21 Dec 1984 | Hertsmere | 2 | 3 | Serious |