Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Wed 11 Jan 1984 | Chiltern | 1 | 1 | Slight |
| Sun 29 Jan 1984 | Chiltern | 2 | 1 | Slight |
| Wed 1 Feb 1984 | Chiltern | 2 | 1 | Slight |
| Wed 1 Feb 1984 | Chiltern | 2 | 1 | Slight |
| Thu 9 Feb 1984 | Chiltern | 2 | 1 | Slight |
| Tue 14 Feb 1984 | Chiltern | 3 | 1 | Slight |
| Mon 27 Feb 1984 | Chiltern | 2 | 1 | Serious |
| Tue 28 Feb 1984 | Chiltern | 2 | 1 | Serious |
| Fri 2 Mar 1984 | Chiltern | 3 | 2 | Slight |
| Mon 5 Mar 1984 | Chiltern | 1 | 1 | Slight |
| Tue 13 Mar 1984 | Chiltern | 2 | 1 | Serious |
| Wed 28 Mar 1984 | Chiltern | 2 | 1 | Serious |
| Thu 29 Mar 1984 | Dacorum | 2 | 5 | Serious |
| Sat 31 Mar 1984 | Chiltern | 2 | 1 | Slight |
| Sat 31 Mar 1984 | Chiltern | 3 | 1 | Slight |
| Tue 3 Apr 1984 | Chiltern | 4 | 2 | Serious |
| Tue 10 Apr 1984 | Chiltern | 2 | 2 | Slight |
| Mon 16 Apr 1984 | Chiltern | 2 | 1 | Slight |
| Wed 18 Apr 1984 | Chiltern | 1 | 1 | Slight |
| Wed 2 May 1984 | Chiltern | 2 | 1 | Slight |
| Thu 10 May 1984 | Chiltern | 2 | 2 | Slight |
| Fri 11 May 1984 | Chiltern | 2 | 1 | Slight |
| Sat 19 May 1984 | Chiltern | 1 | 1 | Slight |
| Wed 23 May 1984 | Chiltern | 1 | 1 | Serious |
| Thu 24 May 1984 | Chiltern | 2 | 1 | Slight |
| Fri 25 May 1984 | Chiltern | 2 | 2 | Slight |
| Sat 26 May 1984 | Chiltern | 3 | 1 | Slight |
| Tue 19 Jun 1984 | Chiltern | 2 | 3 | Slight |
| Sat 23 Jun 1984 | Chiltern | 2 | 1 | Slight |
| Fri 29 Jun 1984 | Chiltern | 2 | 1 | Serious |
| Sat 30 Jun 1984 | Chiltern | 3 | 1 | Slight |
| Thu 5 Jul 1984 | Chiltern | 1 | 1 | Serious |
| Tue 17 Jul 1984 | Chiltern | 3 | 1 | Slight |
| Wed 18 Jul 1984 | Chiltern | 2 | 1 | Slight |
| Sun 29 Jul 1984 | Chiltern | 1 | 1 | Serious |
| Tue 31 Jul 1984 | Dacorum | 2 | 1 | Slight |
| Sat 11 Aug 1984 | Chiltern | 1 | 1 | Slight |
| Mon 10 Sep 1984 | Chiltern | 1 | 1 | Serious |
| Fri 14 Sep 1984 | Chiltern | 3 | 1 | Slight |
| Sat 15 Sep 1984 | Chiltern | 2 | 1 | Slight |
| Thu 4 Oct 1984 | Chiltern | 1 | 1 | Slight |
| Sun 14 Oct 1984 | Chiltern | 2 | 1 | Slight |
| Sun 14 Oct 1984 | Chiltern | 2 | 1 | Slight |
| Fri 19 Oct 1984 | Chiltern | 2 | 2 | Slight |
| Sun 21 Oct 1984 | Chiltern | 2 | 1 | Slight |
| Fri 26 Oct 1984 | Dacorum | 2 | 2 | Slight |
| Sat 27 Oct 1984 | Dacorum | 1 | 1 | Fatal |
| Tue 30 Oct 1984 | Chiltern | 1 | 1 | Slight |
| Tue 30 Oct 1984 | Chiltern | 2 | 1 | Slight |
| Fri 9 Nov 1984 | Chiltern | 2 | 1 | Serious |
| Fri 16 Nov 1984 | Chiltern | 3 | 1 | Slight |
| Tue 27 Nov 1984 | Dacorum | 1 | 1 | Slight |
| Wed 5 Dec 1984 | Dacorum | 1 | 1 | Slight |
| Thu 6 Dec 1984 | Chiltern | 2 | 1 | Slight |
| Fri 7 Dec 1984 | Chiltern | 4 | 3 | Slight |
| Tue 11 Dec 1984 | Chiltern | 2 | 1 | Slight |
| Sat 15 Dec 1984 | Chiltern | 2 | 1 | Slight |
| Sat 15 Dec 1984 | Chiltern | 4 | 1 | Slight |
| Tue 18 Dec 1984 | Chiltern | 1 | 1 | Slight |
| Thu 20 Dec 1984 | Chiltern | 2 | 1 | Slight |
| Fri 21 Dec 1984 | Chiltern | 1 | 1 | Slight |
| Mon 24 Dec 1984 | Chiltern | 3 | 1 | Slight |
| Mon 31 Dec 1984 | Chiltern | 1 | 1 | Serious |