Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Fri 13 Jan 1984 | Hillingdon | 2 | 1 | Slight |
| Tue 17 Jan 1984 | Hillingdon | 1 | 1 | Slight |
| Tue 31 Jan 1984 | Hillingdon | 2 | 1 | Slight |
| Mon 13 Feb 1984 | Hillingdon | 2 | 1 | Slight |
| Tue 13 Mar 1984 | Hillingdon | 2 | 1 | Slight |
| Wed 21 Mar 1984 | Hillingdon | 1 | 1 | Slight |
| Thu 22 Mar 1984 | Hillingdon | 2 | 1 | Slight |
| Fri 23 Mar 1984 | Hillingdon | 2 | 1 | Slight |
| Fri 23 Mar 1984 | Hillingdon | 2 | 1 | Slight |
| Wed 4 Apr 1984 | Hillingdon | 2 | 1 | Serious |
| Mon 9 Apr 1984 | Hillingdon | 1 | 1 | Slight |
| Sat 28 Apr 1984 | Hillingdon | 1 | 1 | Slight |
| Fri 4 May 1984 | Hillingdon | 1 | 1 | Slight |
| Fri 4 May 1984 | Hillingdon | 1 | 3 | Serious |
| Fri 4 May 1984 | Hillingdon | 2 | 1 | Slight |
| Fri 4 May 1984 | Hillingdon | 2 | 1 | Slight |
| Sat 12 May 1984 | Hillingdon | 2 | 1 | Slight |
| Sun 27 May 1984 | Hillingdon | 2 | 2 | Slight |
| Wed 20 Jun 1984 | Hillingdon | 1 | 1 | Slight |
| Thu 28 Jun 1984 | Hillingdon | 2 | 1 | Slight |
| Thu 28 Jun 1984 | Hillingdon | 2 | 1 | Slight |
| Mon 23 Jul 1984 | Hillingdon | 2 | 2 | Slight |
| Mon 23 Jul 1984 | Hillingdon | 1 | 1 | Slight |
| Tue 31 Jul 1984 | Hillingdon | 2 | 1 | Serious |
| Wed 1 Aug 1984 | Hillingdon | 2 | 1 | Slight |
| Wed 1 Aug 1984 | Hillingdon | 2 | 1 | Slight |
| Sat 4 Aug 1984 | Hillingdon | 2 | 1 | Slight |
| Thu 23 Aug 1984 | Hillingdon | 2 | 1 | Slight |
| Thu 23 Aug 1984 | Hillingdon | 2 | 1 | Serious |
| Sat 1 Sep 1984 | Hillingdon | 2 | 1 | Slight |
| Thu 6 Sep 1984 | Hillingdon | 1 | 1 | Slight |
| Fri 7 Sep 1984 | Hillingdon | 3 | 1 | Serious |
| Sat 8 Sep 1984 | Hillingdon | 1 | 1 | Serious |
| Fri 14 Sep 1984 | Hillingdon | 2 | 1 | Serious |
| Fri 21 Sep 1984 | Hillingdon | 1 | 1 | Slight |
| Thu 27 Sep 1984 | Hillingdon | 1 | 2 | Slight |
| Fri 28 Sep 1984 | Hillingdon | 3 | 1 | Slight |
| Wed 3 Oct 1984 | Hillingdon | 3 | 2 | Slight |
| Wed 3 Oct 1984 | Hillingdon | 3 | 2 | Slight |
| Thu 4 Oct 1984 | Hillingdon | 2 | 1 | Slight |
| Fri 19 Oct 1984 | Hillingdon | 2 | 1 | Slight |
| Sat 27 Oct 1984 | Hillingdon | 1 | 2 | Serious |
| Mon 12 Nov 1984 | Hillingdon | 2 | 1 | Slight |
| Mon 12 Nov 1984 | Hillingdon | 2 | 1 | Slight |
| Mon 12 Nov 1984 | Hillingdon | 1 | 1 | Slight |
| Thu 15 Nov 1984 | Hillingdon | 2 | 1 | Slight |
| Wed 21 Nov 1984 | Hillingdon | 3 | 2 | Slight |
| Thu 22 Nov 1984 | Hillingdon | 2 | 1 | Slight |
| Mon 26 Nov 1984 | Hillingdon | 2 | 1 | Slight |
| Wed 5 Dec 1984 | Hillingdon | 2 | 1 | Fatal |
| Fri 7 Dec 1984 | Hillingdon | 1 | 1 | Serious |
| Tue 11 Dec 1984 | Hillingdon | 3 | 1 | Slight |
| Thu 13 Dec 1984 | Hillingdon | 2 | 1 | Slight |