Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Fri 20 Jan 1984 | St. Albans | 2 | 1 | Slight |
| Fri 17 Feb 1984 | Hertsmere | 3 | 4 | Serious |
| Wed 2 May 1984 | St. Albans | 2 | 1 | Slight |
| Fri 25 May 1984 | Hertsmere | 2 | 1 | Slight |
| Mon 25 Jun 1984 | Hertsmere | 2 | 1 | Slight |
| Tue 24 Jul 1984 | Welwyn Hatfield | 2 | 1 | Serious |
| Fri 3 Aug 1984 | Hertsmere | 2 | 1 | Slight |
| Wed 8 Aug 1984 | Hertsmere | 1 | 1 | Serious |
| Thu 16 Aug 1984 | St. Albans | 3 | 1 | Slight |
| Wed 3 Oct 1984 | St. Albans | 2 | 1 | Slight |
| Mon 22 Oct 1984 | St. Albans | 2 | 1 | Serious |
| Sat 8 Dec 1984 | St. Albans | 4 | 1 | Slight |