Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Sat 18 Feb 1984 | St. Albans | 2 | 1 | Serious |
| Tue 20 Mar 1984 | St. Albans | 3 | 1 | Slight |
| Sat 24 Mar 1984 | St. Albans | 2 | 1 | Serious |
| Thu 12 Apr 1984 | Welwyn Hatfield | 2 | 1 | Serious |
| Sat 21 Apr 1984 | Welwyn Hatfield | 2 | 1 | Slight |
| Sat 26 May 1984 | Welwyn Hatfield | 2 | 1 | Slight |
| Thu 31 May 1984 | St. Albans | 2 | 1 | Serious |
| Sun 3 Jun 1984 | St. Albans | 1 | 1 | Slight |
| Sun 24 Jun 1984 | St. Albans | 2 | 1 | Serious |
| Mon 25 Jun 1984 | Welwyn Hatfield | 1 | 1 | Slight |
| Fri 6 Jul 1984 | St. Albans | 1 | 1 | Slight |
| Sat 7 Jul 1984 | St. Albans | 2 | 1 | Slight |
| Wed 25 Jul 1984 | St. Albans | 1 | 1 | Serious |
| Wed 25 Jul 1984 | St. Albans | 2 | 3 | Slight |
| Thu 26 Jul 1984 | Welwyn Hatfield | 2 | 1 | Serious |
| Mon 3 Sep 1984 | Welwyn Hatfield | 2 | 1 | Slight |
| Wed 5 Sep 1984 | Welwyn Hatfield | 2 | 1 | Slight |
| Sun 9 Sep 1984 | Welwyn Hatfield | 2 | 1 | Slight |
| Fri 14 Sep 1984 | St. Albans | 2 | 5 | Serious |
| Sun 30 Sep 1984 | Welwyn Hatfield | 3 | 2 | Serious |
| Tue 2 Oct 1984 | St. Albans | 2 | 1 | Serious |
| Mon 8 Oct 1984 | St. Albans | 2 | 1 | Slight |
| Tue 9 Oct 1984 | St. Albans | 2 | 1 | Slight |
| Mon 15 Oct 1984 | St. Albans | 2 | 1 | Slight |
| Mon 15 Oct 1984 | St. Albans | 4 | 2 | Slight |
| Sat 27 Oct 1984 | St. Albans | 1 | 2 | Slight |
| Thu 1 Nov 1984 | Welwyn Hatfield | 5 | 2 | Serious |
| Sat 3 Nov 1984 | St. Albans | 2 | 1 | Serious |
| Mon 3 Dec 1984 | St. Albans | 2 | 1 | Slight |