Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Thu 5 Jan 1984 | Harrow | 2 | 1 | Slight |
| Fri 6 Jan 1984 | Harrow | 2 | 1 | Slight |
| Tue 10 Jan 1984 | Harrow | 2 | 1 | Slight |
| Thu 12 Jan 1984 | Harrow | 2 | 1 | Slight |
| Fri 13 Jan 1984 | Barnet | 1 | 1 | Slight |
| Wed 18 Jan 1984 | Harrow | 2 | 1 | Slight |
| Wed 18 Jan 1984 | Barnet | 2 | 1 | Slight |
| Thu 19 Jan 1984 | Harrow | 2 | 1 | Slight |
| Fri 20 Jan 1984 | Harrow | 2 | 1 | Slight |
| Fri 3 Feb 1984 | Barnet | 1 | 2 | Slight |
| Sat 11 Feb 1984 | Harrow | 1 | 1 | Slight |
| Sun 12 Feb 1984 | Harrow | 1 | 1 | Slight |
| Sun 19 Feb 1984 | Harrow | 2 | 1 | Slight |
| Sun 4 Mar 1984 | Harrow | 2 | 1 | Fatal |
| Sun 4 Mar 1984 | Harrow | 1 | 1 | Serious |
| Tue 6 Mar 1984 | Harrow | 2 | 1 | Slight |
| Wed 14 Mar 1984 | Harrow | 2 | 1 | Slight |
| Wed 14 Mar 1984 | Harrow | 2 | 1 | Slight |
| Fri 23 Mar 1984 | Harrow | 1 | 1 | Slight |
| Sun 1 Apr 1984 | Barnet | 2 | 1 | Slight |
| Fri 6 Apr 1984 | Barnet | 1 | 1 | Slight |
| Sat 7 Apr 1984 | Barnet | 1 | 1 | Slight |
| Wed 11 Apr 1984 | Harrow | 2 | 1 | Slight |
| Sat 14 Apr 1984 | Harrow | 2 | 2 | Slight |
| Fri 27 Apr 1984 | Harrow | 2 | 1 | Slight |
| Sat 28 Apr 1984 | Harrow | 2 | 1 | Slight |
| Sat 5 May 1984 | Harrow | 1 | 1 | Slight |
| Mon 7 May 1984 | Harrow | 2 | 4 | Slight |
| Tue 8 May 1984 | Harrow | 3 | 1 | Slight |
| Thu 10 May 1984 | Harrow | 2 | 1 | Slight |
| Sun 13 May 1984 | Harrow | 2 | 3 | Slight |
| Tue 15 May 1984 | Harrow | 1 | 1 | Slight |
| Thu 17 May 1984 | Harrow | 1 | 1 | Slight |
| Sun 20 May 1984 | Harrow | 2 | 1 | Slight |
| Thu 31 May 1984 | Harrow | 4 | 1 | Slight |
| Sat 2 Jun 1984 | Harrow | 1 | 1 | Slight |
| Sat 9 Jun 1984 | Harrow | 5 | 3 | Slight |
| Mon 18 Jun 1984 | Harrow | 1 | 1 | Slight |
| Fri 22 Jun 1984 | Harrow | 2 | 1 | Slight |
| Sat 30 Jun 1984 | Harrow | 2 | 1 | Slight |
| Sat 30 Jun 1984 | Harrow | 2 | 2 | Slight |
| Sun 1 Jul 1984 | Barnet | 2 | 1 | Slight |
| Thu 5 Jul 1984 | Harrow | 1 | 1 | Slight |
| Sun 8 Jul 1984 | Harrow | 1 | 1 | Slight |
| Wed 11 Jul 1984 | Harrow | 1 | 1 | Slight |
| Thu 12 Jul 1984 | Harrow | 2 | 1 | Slight |
| Wed 18 Jul 1984 | Harrow | 2 | 1 | Slight |
| Wed 18 Jul 1984 | Harrow | 1 | 1 | Slight |
| Wed 25 Jul 1984 | Harrow | 2 | 1 | Slight |
| Sun 29 Jul 1984 | Harrow | 3 | 2 | Slight |
| Thu 2 Aug 1984 | Harrow | 1 | 1 | Fatal |
| Sat 18 Aug 1984 | Harrow | 1 | 2 | Slight |
| Sat 18 Aug 1984 | Harrow | 3 | 1 | Slight |
| Mon 27 Aug 1984 | Harrow | 1 | 1 | Slight |
| Sat 1 Sep 1984 | Harrow | 1 | 1 | Slight |
| Mon 3 Sep 1984 | Harrow | 1 | 1 | Serious |
| Fri 7 Sep 1984 | Harrow | 2 | 1 | Slight |
| Sat 8 Sep 1984 | Harrow | 2 | 1 | Slight |
| Mon 17 Sep 1984 | Harrow | 3 | 1 | Slight |
| Fri 21 Sep 1984 | Harrow | 1 | 1 | Serious |
| Tue 9 Oct 1984 | Harrow | 1 | 1 | Serious |
| Tue 23 Oct 1984 | Harrow | 4 | 1 | Slight |
| Fri 26 Oct 1984 | Harrow | 2 | 1 | Slight |
| Wed 31 Oct 1984 | Harrow | 2 | 1 | Slight |
| Wed 31 Oct 1984 | Harrow | 2 | 1 | Serious |
| Tue 6 Nov 1984 | Harrow | 2 | 1 | Slight |
| Wed 7 Nov 1984 | Harrow | 1 | 2 | Fatal |
| Wed 14 Nov 1984 | Harrow | 2 | 1 | Slight |
| Fri 16 Nov 1984 | Harrow | 2 | 2 | Slight |
| Thu 22 Nov 1984 | Harrow | 1 | 1 | Slight |
| Wed 28 Nov 1984 | Harrow | 2 | 1 | Slight |
| Wed 28 Nov 1984 | Harrow | 2 | 1 | Slight |
| Wed 28 Nov 1984 | Harrow | 2 | 1 | Slight |
| Tue 4 Dec 1984 | Harrow | 2 | 3 | Slight |
| Thu 27 Dec 1984 | Harrow | 2 | 2 | Slight |
| Fri 28 Dec 1984 | Harrow | 2 | 1 | Serious |