Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Fri 9 Jan 2004 | Harrow | 2 | 1 | Slight |
| Mon 19 Jan 2004 | Barnet | 1 | 1 | Slight |
| Fri 23 Jan 2004 | Harrow | 2 | 1 | Slight |
| Sat 24 Jan 2004 | Barnet | 2 | 1 | Slight |
| Tue 27 Jan 2004 | Harrow | 2 | 1 | Slight |
| Tue 27 Jan 2004 | Harrow | 1 | 2 | Serious |
| Sun 1 Feb 2004 | Barnet | 2 | 1 | Slight |
| Fri 6 Feb 2004 | Harrow | 1 | 1 | Slight |
| Tue 2 Mar 2004 | Harrow | 1 | 1 | Slight |
| Tue 2 Mar 2004 | Harrow | 1 | 1 | Slight |
| Wed 3 Mar 2004 | Harrow | 1 | 2 | Serious |
| Wed 10 Mar 2004 | Harrow | 1 | 1 | Slight |
| Fri 2 Apr 2004 | Harrow | 2 | 1 | Slight |
| Sat 3 Apr 2004 | Harrow | 3 | 1 | Slight |
| Sat 3 Apr 2004 | Harrow | 2 | 1 | Slight |
| Thu 8 Apr 2004 | Harrow | 2 | 1 | Slight |
| Thu 8 Apr 2004 | Harrow | 2 | 1 | Slight |
| Fri 9 Apr 2004 | Harrow | 1 | 1 | Serious |
| Thu 22 Apr 2004 | Harrow | 2 | 1 | Slight |
| Fri 23 Apr 2004 | Harrow | 2 | 1 | Slight |
| Wed 28 Apr 2004 | Harrow | 2 | 2 | Slight |
| Thu 29 Apr 2004 | Harrow | 2 | 1 | Slight |
| Thu 29 Apr 2004 | Harrow | 2 | 1 | Slight |
| Tue 4 May 2004 | Harrow | 1 | 1 | Slight |
| Sun 9 May 2004 | Harrow | 3 | 2 | Slight |
| Mon 10 May 2004 | Harrow | 2 | 1 | Slight |
| Mon 10 May 2004 | Harrow | 2 | 1 | Slight |
| Mon 10 May 2004 | Harrow | 2 | 1 | Slight |
| Thu 13 May 2004 | Barnet | 2 | 1 | Slight |
| Tue 18 May 2004 | Harrow | 2 | 1 | Slight |
| Tue 18 May 2004 | Harrow | 2 | 1 | Slight |
| Wed 19 May 2004 | Harrow | 1 | 1 | Slight |
| Wed 19 May 2004 | Harrow | 1 | 1 | Slight |
| Mon 31 May 2004 | Harrow | 2 | 1 | Slight |
| Tue 1 Jun 2004 | Harrow | 2 | 1 | Slight |
| Tue 1 Jun 2004 | Harrow | 2 | 1 | Slight |
| Tue 8 Jun 2004 | Harrow | 2 | 1 | Slight |
| Thu 10 Jun 2004 | Harrow | 1 | 1 | Slight |
| Thu 10 Jun 2004 | Harrow | 1 | 1 | Slight |
| Tue 15 Jun 2004 | Harrow | 2 | 2 | Slight |
| Fri 18 Jun 2004 | Harrow | 1 | 1 | Serious |
| Sun 20 Jun 2004 | Harrow | 2 | 4 | Slight |
| Wed 30 Jun 2004 | Harrow | 1 | 1 | Slight |
| Fri 2 Jul 2004 | Harrow | 3 | 1 | Slight |
| Wed 14 Jul 2004 | Harrow | 2 | 1 | Slight |
| Wed 14 Jul 2004 | Harrow | 2 | 1 | Slight |
| Mon 2 Aug 2004 | Harrow | 2 | 1 | Slight |
| Tue 10 Aug 2004 | Harrow | 2 | 1 | Slight |
| Wed 18 Aug 2004 | Harrow | 1 | 1 | Serious |
| Tue 24 Aug 2004 | Harrow | 2 | 1 | Slight |
| Sun 5 Sep 2004 | Harrow | 2 | 1 | Slight |
| Mon 4 Oct 2004 | Barnet | 1 | 1 | Slight |
| Sat 9 Oct 2004 | Barnet | 2 | 2 | Serious |
| Mon 25 Oct 2004 | Harrow | 2 | 1 | Slight |
| Mon 25 Oct 2004 | Harrow | 2 | 1 | Slight |
| Thu 4 Nov 2004 | Harrow | 2 | 1 | Slight |
| Sat 6 Nov 2004 | Harrow | 2 | 1 | Slight |
| Fri 12 Nov 2004 | Harrow | 2 | 1 | Serious |
| Fri 12 Nov 2004 | Harrow | 2 | 1 | Serious |
| Sat 13 Nov 2004 | Harrow | 2 | 3 | Slight |
| Thu 25 Nov 2004 | Harrow | 2 | 2 | Slight |
| Fri 26 Nov 2004 | Harrow | 3 | 1 | Slight |
| Mon 29 Nov 2004 | Harrow | 1 | 1 | Slight |
| Mon 27 Dec 2004 | Barnet | 2 | 3 | Slight |
| Thu 30 Dec 2004 | Harrow | 2 | 3 | Slight |